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{{Short description|American animated television series}}
{{For-multi|the anime film alternatively subtitled "Infinity Train"|Demon Slayer: Kimetsu no Yaiba – The Movie: Mugen Train|the electric train|Fortescue  (company)#Fortescue Future Industries}}
{{Use mdy dates|date=March 2017}}
{{Infobox television
| image                = Infinity_Train_Show_with_the_hbomax_logo.png
| caption              =
| genre                = <!--GENRES MUST BE SOURCED. Do not change based on your personal conception-->
| creator              = Owen Dennis
| story                = 
| director             = 
| voices               = {{Plainlist|
* [[Ashley Johnson (actress)|Ashley Johnson]]
* [[Jeremy Crutchley]]
* Owen Dennis
* [[Ernie Hudson]]
* [[Kate Mulgrew]]
* [[Lena Headey]]
* [[Robbie Daymond]]
* [[Bradley Whitford]]
* [[Ben Mendelsohn]]
* [[Kirby Howell-Baptiste]]
* [[Kyle McCarley]]
* Isabella Abiera
* [[Diane Delano]]
* Johnny Young
* Sekai Murashige
* Minty Lewis
* [[Margo Martindale]]
* [[J.K. Simmons]]
* [[Margaret Cho]]
}}
| theme_music_composer = {{unbulleted list|Chrome Canyon|Owen Dennis (episode 1)}}
| composer             = Chrome Canyon
| country              = United States
| language             = English
| executive_producer   = {{Plainlist|
* Owen Dennis
* Jennifer Pelphrey
* Tramm Wigzell
* [[Brian A. Miller]]
* [[Rob Sorcher]]
}}
| producer             = Keith Mack
| num_seasons          = 4
| num_episodes         = 40
| runtime              = 11 minutes
| company              = [[Cartoon Network Studios]]
| network              = [[Cartoon Network]] (seasons 1–2)<br />[[HBO Max]] (seasons 3–4)<ref>{{Cite web | url=https://www.gamespot.com/articles/cartoon-networks-infinity-train-will-stream-its-th/1100-6479373/ | title=Cartoon Network's Infinity Train Will Stream Its Third Season Exclusively On HBO Max | author=Suzette Smith | date=July 6, 2020 | access-date=2020-07-06 | website=GameSpot | archive-date=July 27, 2021 | archive-url=https://web.archive.org/web/20210727012506/https://www.gamespot.com/articles/cartoon-networks-infinity-train-will-stream-its-th/1100-6479373/ | url-status=live }}</ref>
| first_aired          = {{Start date|2019|8|5}}
| last_aired           = {{End date|2021|4|15}}
| list_episodes        = List of Infinity Train episodes
| channel              = 
| released             =  
}}
'''''Infinity Train''''' is an American [[animated series|animated television series]] created by Owen Dennis, previously a writer and [[storyboard artist]] on ''[[Regular Show]]''.<ref>{{Cite AV media|url=https://www.youtube.com/watch?v=oY6kfVWv01k |title=Infinity Train {{!}} Minisode {{!}} Cartoon Network – YouTube |date=November 2, 2016 |access-date=November 24, 2016 |archive-url=https://web.archive.org/web/20161104013141/https://www.youtube.com/watch?v=oY6kfVWv01k |archive-date=November 4, 2016 |df=mdy-all}}</ref> {{As of|2022}}, four seasons have aired, plus a series of short episodes.

The [[Television pilot|pilot]] for the series was released by [[Cartoon Network]] on November 1, 2016, before being picked-up for a full [[miniseries]] due to positive reception, which premiered on Cartoon Network on August 5, 2019. After the conclusion of the first season, Cartoon Network announced that the series would continue as an [[anthology series]].<ref name="nexttime" /><ref>{{cite tweet |author=Owen Dennis |user=OweeeeenDennis |number=1198640615715565568 |date=24 November 2019 |title=#infinitytrain is an animated anthology series, all set in the same universe, with different protagonists for different stories. The first story is called Infinity Train: Book One - The Perennial Child. The second story is called Infinity Train: Book Two - Cracked Reflection. }}</ref> The second season debuted on Cartoon Network on January 6, 2020. The third season began airing on [[HBO Max]] on August 13, 2020, with ten episodes airing across three weeks,<ref>{{cite web |title=HBO Max Highlights - August 2020 |url=https://pressroom.warnermediagroup.com/gb/media-release/hbo-max-highlights-august-2020 |website=Warner Media |access-date=21 July 2020 |archive-date=July 21, 2020 |archive-url=https://web.archive.org/web/20200721011534/https://pressroom.warnermediagroup.com/gb/media-release/hbo-max-highlights-august-2020 |url-status=dead }}</ref> and the fourth season was released in its entirety on April 15, 2021.<ref name="Book 4 Polygon" /><ref name="FinalSeason">{{cite magazine|title=Infinity Train hits the end of the line with first trailer for fourth and final season|url=https://ew.com/tv/infinity-train-season-4-trailer/|magazine=[[Entertainment Weekly]]|access-date=11 March 2021}}</ref>

The series is set on a gigantic, mysterious and seemingly endless train traveling through a barren landscape, whose cars contain a variety of bizarre, fantastical, and impossible environments. Passengers on the train proceed from car to car by completing challenges which help them resolve their psychological trauma and emotional issues. Every season of ''Infinity Train'' (referred to as a "Book", each with its own separate subtitle) follows its own storyline and set of characters, although some characters appear across multiple seasons.

All four seasons of ''Infinity Train'' have received critical acclaim for their complex themes and characters, writing, uniqueness, visual animation style, and voice acting. In August 2020, Dennis stated that, although he wanted to continue the series for a total of eight seasons, most of the crew had been laid off and the series was at risk of not being renewed for a fifth season; Dennis suggested that HBO Max might be concerned that the series' stories and themes were too dark and unappealing to children.<ref name="GizmodoFutureJeopardy" /><ref name="HITCRenewalS4" /><ref name="PolygonShowsPotential" /> Promotional material for the fourth season refers to it as the final season of ''Infinity Train''.<ref name="Book 4 WM PR">{{Cite press release|date=February 17, 2021|title=WarnerMedia Expands Kids & Family Offerings on Cartoon Network and HBO Max Under New Tagline Redraw Your World|url=https://pressroom.warnermedia.com/us/media-release/warnermedia-expands-kids-family-offerings-cartoon-network-and-hbo-max-under-new?language_content_entity=en&fb|url-status=live|access-date=February 17, 2021|website=|publisher=[[WarnerMedia]]|language=en|archive-url=https://web.archive.org/web/20210217181729/https://pressroom.warnermedia.com/us/media-release/warnermedia-expands-kids-family-offerings-cartoon-network-and-hbo-max-under-new?language_content_entity=en|archive-date=February 17, 2021}}</ref> In August 2022, the series was removed from HBO Max; in October 2023, the show was removed from digital purchase platforms.<ref name=":0">{{Cite web |title=Cartoon Network: Several Hit Shows Are Disappearing From Streaming |url=https://comicbook.com/anime/news/cartoon-network-animated-series-streaming-max/ |access-date=2023-10-26 |website=Anime |language=en}}</ref>

==Synopsis==
The series is set on a seemingly infinite train traveling through a barren landscape; the cars of the train contain a variety of bizarre and fantastical environments. The passengers on the train are people it picks up who have unresolved emotional issues or trauma. As they travel through the train's cars, their adventures within give them the opportunity to confront and resolve their emotional problems, represented by a glowing number on their hand that goes down as they successfully confront these issues. Once they resolve their issues and their number reaches zero, a portal opens and they are able to leave the train and return home.

The first season focuses on Tulip Olsen, a girl struggling with her parents’ recent divorce. She is accompanied by a small, confused robot named "One-One", and Atticus, the ruler of a kingdom of talking [[corgi]]s. She eventually uncovers many of the train's secrets and confronts Amelia, a passenger who, instead of resolving her trauma from her husband's death, has usurped the role of Conductor from One-One and tried to take control of the train. Before leaving the train, Tulip persuades Amelia to try to adapt to the changes in her life.

In one first-season episode, Tulip frees her own reflection from the mirror world and the two part ways. The second season focuses on the [[Emancipation|emancipated]] Mirror Tulip ("MT"), now on the run from enforcers attempting to execute her as punishment for abandoning her role as Tulip's reflection. She teams up with Jesse, a new train passenger, as well as Alan Dracula, a silent deer with a variety of powers. She helps Jesse leave the train by helping him learn to stand up for himself, and he returns to the train to help her escape to the outside world as well.

The third season centers on Grace and Simon, the leaders of a cult of rogue passengers, known as 'The Apex', who vandalize the train and assault its denizens to keep their numbers high, believing that the true purpose of the train is to stay as long as possible as a reward. Their travels with a young girl named Hazel and her gorilla friend, Tuba, make Grace more sympathetic to the train's denizens. After Simon kills Tuba, it is revealed that Hazel herself is one of Amelia's creations, and Grace realizes what she thought she knew about the train is wrong. After fighting off Simon's attempt to usurp control, Grace begins facing up to and mending her mistakes.

Set decades earlier, during the period while Amelia is establishing control over the train, the fourth season centers on Ryan and Min-Gi, two best friends who want to become famous musicians. Their relationship is strained due to Ryan's brashness and Min-Gi's fear of the future. While on the train, they meet a talking [[Call bell|service bell]] named Kez who has trouble owning up to her mistakes. Ryan and Min-Gi come to realize that they need each other in order for them to move forward in life, while Kez finally apologizes to the train denizens she harmed.

==Episodes==
{{main|List of Infinity Train episodes}}
{{:List of Infinity Train episodes}}

===Shorts===
From October 18, 2019, a series of ten shorts titled "The Train Documentaries" was uploaded onto the Cartoon Network app and YouTube channel. Each short focuses on One-One showcasing a different car on the train.

==Characters==
===Overview===
{| class="wikitable plainrowheaders" style="text-align:center;"
|-
! scope="col" rowspan="2" colspan="2" | Character
! scope="col" rowspan="2" | Voiced by
! scope="col" colspan="4" | Seasons
|-
! Book 1
! Book 2
! Book 3
! Book 4
|-
! colspan="7" style="background:#ccf;"| Main characters
|-
| scope="row" colspan="2" | Tulip Olsen
| rowspan="2" | [[Ashley Johnson (actress)|Ashley Johnson]]
| {{CMain}}
| {{CNone|''Mentioned''}}
| colspan="2" {{CNone}}
|-
| scope="row" colspan="2" | Lake / "MT" (Mirror Tulip)
| {{CGuest}}
| {{CMain|Main}}
| {{CNone}}''Pictured''
| {{CNone}}
|-
| scope="row" rowspan="2"| One-One / One
| Glad-One
| [[Jeremy Crutchley]]
| rowspan="2" {{CMain|Main}}
| rowspan="2" {{CRecurring}}
| rowspan="2" {{CNone|''Mentioned''}}
| {{CNone}}
|-
| Sad-One
| [[Owen Dennis]]
| {{CGuest|Guest}}
|-
| scope="row" colspan="2" | Atticus
| [[Ernie Hudson]]
| {{CMain|Main}}
| {{CNone|''Mentioned''}}
| colspan="2" {{CNone}}
|-
| scope="row" colspan="2" | Jesse Cosay
| [[Robbie Daymond]]
| {{CNone}}
| {{CMain|Main}}
| {{CNone|''Mentioned''}}
| {{CNone}}
|-
| scope="row" colspan="2" | Alan Dracula
| style="background:#d3d3d3;" | ''Silent character''
| {{CNone}}
| {{CMain|Main}}
| {{CNone}}
| {{CGuest|Guest}}{{efn|In a [[deleted scene]], a table appearing in "[[List of Infinity Train episodes#ep36|The Party Car]]" is revealed to be a shapeshifting Alan Dracula.<ref>{{Cite web |url=https://www.reddit.com/r/InfinityTrain/comments/mrrwrm/i_am_owen_dennis_creator_of_infinity_train_on/guo6p4e/?context=3 |title=There's actually a w… |date=April 16, 2021 |access-date=June 16, 2023 |archive-date=April 17, 2021 |archive-url=https://web.archive.org/web/20210417221357/https://www.reddit.com/r/InfinityTrain/comments/mrrwrm/i_am_owen_dennis_creator_of_infinity_train_on/guo6p4e?context=3 |url-status=live }}</ref>}}
|-
| scope="row" colspan="2" | Grace Monroe
| [[Kirby Howell-Baptiste]]
| rowspan="2" {{CNone|''Pictured''}}
| {{CRecurring|Recurring}}
| {{CMain|Main}}
| {{CNone}}
|-
| scope="row" colspan="2" | Simon Laurent
| [[Kyle McCarley]]
| {{CRecurring|Recurring}}
| {{CMain|Main}}
| {{CNone}}
|-
| scope="row" colspan="2" | Hazel
| Isabella Abiera
| colspan="2" {{CNone}}
| {{CMain|Main}}
| {{CNone}}
|-
| scope="row" colspan="2" | Tuba
| [[Diane Delano]]
| colspan="2" {{CNone}}
| {{CMain|Main}}
| {{CNone}}
|-
| scope="row" colspan="2" | Min-Gi Park
| Johnny Young
| colspan="3" {{CNone}}
| {{CMain|Main}}
|-
| scope="row" colspan="2" | Ryan Akagi
| Sekai Murashige
| colspan="3" {{CNone}}
| {{CMain|Main}}
|-
| scope="row" colspan="2" | Kez
| Minty Lewis
| colspan="3" {{CNone}}
| {{CMain|Main}}
|-
! colspan="7" style="background:#ccf;"| Recurring characters
|-
| scope="row" colspan="2" | The Cat / Samantha
| [[Kate Mulgrew]]
| {{CRecurring|Recurring}}
| {{CGuest|Guest}}
| {{CRecurring|Recurring}}
| {{CGuest|Guest}}
|-
| scope="row" colspan="2" | Randall
| [[Rhys Darby]]
| colspan="2" {{CRecurring|Recurring}}
| {{CGuest|Guest}}
| {{CNone}}
|-
| scope="row" colspan="2" | Amelia Hughes
| [[Lena Headey]]
| {{CRecurring|Recurring}}
| {{CNone|''Mentioned''}}
| colspan="2" {{CRecurring|Recurring}}
|-
| scope="row" colspan="2" | The Steward
| [[Ashley Johnson (actress)|Ashley Johnson]]
| {{CRecurring|Recurring}}
| colspan="2" {{CGuest|Cameo}}
| {{CRecurring|Recurring}}

|-
| scope="row" colspan="2" | Ghoms
| [[Dee Bradley Baker]]
| {{CRecurring|Recurring}}
| {{CGuest|Cameo}}
| {{CRecurring|Recurring}}
| {{CNone}}
|-
| scope="row" colspan="2" | Megan Olsen
| [[Audrey Wasilewski]]
| {{CRecurring|Recurring}}
| colspan="3" {{CNone}}
|-
| scope="row" colspan="2" | Andy Olsen
| [[Mark Fite]]
| {{CRecurring|Recurring}}
| colspan="3" {{CNone}}
|-
| scope="row" colspan="2" | Mikayla 
| [[Reagan Gomez-Preston]]
| {{CRecurring|Recurring}}
| colspan="3" {{CNone}}
|-
| scope="row" rowspan="2" | Reflection Police
| Agent Mace
| [[Ben Mendelsohn]]
| rowspan="2" {{CGuest|Guest}}
| rowspan="2" {{CRecurring|Recurring}}
| rowspan="2" colspan="2" {{CNone}}
|-
| Agent Sieve
| [[Bradley Whitford]]
|-
| scope="row" colspan="2" | Toad / Terrence
| [[Owen Dennis]]
| {{CNone}}
| {{CRecurring|Recurring}}
| colspan="2" {{CNone}}
|-
| scope="row" colspan="2" | Nate Cosay
| Justin Felbinger
| {{CNone}}
| {{CRecurring|Recurring}}
| colspan="2" {{CNone}}
|-
| scope="row" colspan="2" | Lucy
| Jenna Davis
| {{CNone}}
| {{CGuest|Cameo}}
| {{CRecurring|Recurring}}
| {{CNone}}
|-
| scope="row" colspan="2" | Todd
| [[Antonio Raul Corbo]]
| {{CNone}}
| {{CGuest|Cameo}}
| {{CRecurring|Recurring}}
| {{CNone}}
|-
| scope="row" colspan="2" | Frank
| [[Owen Dennis]]
| colspan="2" {{CNone}}
| {{CRecurring|Recurring}}
| {{CNone}}
|-
| scope="row" colspan="2" | One
| [[Jeremy Crutchley]]
| {{CNone|''Mentioned''}}
| {{CNone}}
| {{CNone|''Mentioned''}}
| {{CRecurring|Recurring}}
|-
| scope="row" rowspan="3" | Parka Denizens
| One
| rowspan="2" | [[Kari Wahlgren]]
| rowspan="3" colspan="3" {{CNone}}
|rowspan="3"  {{CRecurring|Recurring}}
|-
| Two
|-
| Three
| [[Keith Ferguson (voice actor)|Keith Ferguson]]
|-
| scope="row" colspan="2" | Judge Morpho
| [[Margo Martindale]]
| colspan="3" {{CNone}}
| {{CRecurring|Recurring}}
|-
| scope="row" colspan="2" | Cow Creamer
| [[Audrey Wasilewski]]
| colspan="3" {{CNone}}
| {{CRecurring|Recurring}}
|-
| scope="row" colspan="2" | Pig Baby/Toddler
| [[J. K. Simmons]]
| colspan="3" {{CNone}}
| {{CRecurring|Recurring}}
|-
| scope="row" colspan="2" | Nigel
| style="background:#d3d3d3;" | ''Silent character''
| colspan="3" {{CNone}}
| {{CRecurring|Recurring}}
|-
| scope="row" colspan="2" | Morgan
| [[Margaret Cho]]
| colspan="3" {{CNone}}
| {{CRecurring|Recurring}}
|}

===Main===
====Book 1 – ''The Perennial Child''====
* Tulip Olsen ([[Ashley Johnson (actress)|Ashley Johnson]]) is a 13-year-old girl struggling with her parents' divorce who finds herself trapped on the train when trying to get to a game-design camp. She is analytical, down-to-earth, and determined to get off the train.
** Naomi Hansen and Lily Sanfelippo voice younger versions of Tulip, respectively at age 5 and from age 6 to 8.
* One-One is a spherical robot consisting of two separate hemisphere-shaped robots, formerly collectively known simply as One. In ''Book 1'', One-One accompanies Tulip on her journey, and eventually learns that it is the rightful Conductor of the train. At the end of ''Book 1'', One-One resumes its duties as Conductor, overseeing the operations of the train and passengers. Throughout the background of ''Book 4'', set in 1986, One bonds with Amelia, loosening restrictions on the passengers, before she usurps his position as the Conductor.
** Glad-One (Jeremy Crutchley) is the exuberant and optimistic part of One-One.
** Sad-One ([[Owen Dennis]]) is the morose and pessimistic part of One-One.
* Atticus ([[Ernie Hudson]]) is a talking [[Welsh Corgi|Corgi]] and the king of Corginia, one of the train cars. He accompanies Tulip on her journey.
Guest voices for Book One include [[Matthew Rhys]] and [[Ron Funches]].

====Book 2 – ''Cracked Reflection''====
* "MT" (Ashley Johnson) is Tulip's [[Mirror image|reflection]], freed from the mirror world by Tulip in episode 7 of ''Book 1''. At the start of ''Book 2'', she has been living on the train as a fugitive from the reflection police. She accompanies Jesse on his journey through the train while struggling with her sense of identity as an independent person, rather than Tulip's reflection or a construct of the train. Upon leaving the train at the end of Book 2, she names herself Lake.
* Jesse Cosay ([[Robbie Daymond]]) is a passenger who becomes MT's friend and helps them escape the train. He is easygoing and friendly, but has a hard time resisting [[peer pressure]]; his experience on the train teaches him how to stand up for his friends and his younger brother. Upon initially leaving the train in the middle of Book 2, he returns in order to help MT leave too.
* Alan Dracula is a magical [[shapeshifting]] [[white-tailed deer]], a denizen of the train who accompanies MT and Jesse.
Guest voices for Book Two include [[Wayne Knight]], [[Laraine Newman]], [[BeBe Zahara Benet|Nea Marshall Kudi]], [[Bill Corbett]], and Rhys Darby.

====Book 3 – ''Cult of the Conductor''====
* Grace Monroe ([[Kirby Howell-Baptiste]]) is the young adult leader of the Apex, a gang of passengers who aim to raise their numbers to remain on the train indefinitely, and believe One-One to be an impostor who usurped the role of Conductor. After appearing as a secondary antagonist in ''Book 2'', Grace returns as one of the main protagonists of ''Book 3'', in which she gradually begins to see the error of her ways and decides to try to fix her mistakes.
** Brooke Singleton voices Grace as a child
* Simon Laurent ([[Kyle McCarley]]) is Grace's second-in-command and best friend, who first appears alongside her in ''Book 2''. He is a clinical narcissist who has a murderous hatred of denizens and believes that his actions are justified, due to his past experiences in the train along with Grace enabling his negative impulses. Returning as one of the main protagonists of ''Book 3'', Simon begins to double down on his behavior due to his unwillingness to acknowledge his mistakes and change, resulting in his relationship with Grace slowly deteriorating. After usurping her position as the leader of the Apex, Simon attempts to execute Grace for her betrayal before being killed by a Ghom.
** Samuel Faraci voices Simon as a child
* Hazel (Isabella Abiera) is a 6-year-old girl who travels the train. Although she has a number on her hand, it doesn't glow; unknown to her, she is actually a human-turtle hybrid of the train created by Amelia's experiments. Initially cheerful, joyous, and optimistic, she later becomes disillusioned with both Grace and Simon after the latter kills Tuba and the former turns her back on her, leading to her lose trust of her former friends and leave with Amelia.
* Tuba ([[Diane Delano]]) is Hazel's gorilla friend, adoptive mother and protector, a denizen of the train. She distrusts both Grace and Simon due to their differing agendas, albeit begrudgingly assists them on their journey along with Hazel. She is later killed by Simon when he takes advantage of the moving train cars to throw her off the train.

Guest voices for Book Three include Rhys Darby, [[Edi Patterson]], [[Phil LaMarr]], and [[Alfred Molina]].

====Book 4 – ''Duet''====
* Min-Gi Park (Johnny Young) is a young man who is hesitant to pursue his dreams of being a musician and feels pressured to live a conventional life instead.
* Ryan Akagi (Sekai Murashige) is Min-Gi's best friend, who aspires to become a famous musician and tends to make rash decisions.
* Kez (Minty Lewis) is a sentient concierge bell who accompanies Ryan and Min; her thoughtless behavior has made her many enemies among the train's other denizens.

Guest voices for Book Four include [[Steve Park (comedian)|Steve Park]], [[Thomas Lennon]], and [[Donald Faison]].

===Recurring===
<!-- Only characters who appear more than once within a season -->
* The Cat ([[Kate Mulgrew]]) is a talking cat who is a collector and con artist, and runs a variety of businesses on the train. In Book 1, she is an unwilling agent for Amelia who attempts to capture the heroes before being betrayed and later assisting them in reaching her. Book 3 reveals that her name is Samantha, and she was Simon's companion when he first boarded the train.<ref>{{Cite episode | title=The Canyon of the Golden Winged Snakes Car | series=Infinity Train | network=HBO Max | date=August 20, 2020 | season=3: Cult of the Conductor | number=7 | minutes=7 }}</ref> (Recurring in ''Book 1'' and ''Book 3''; guest in ''Book 2'' and ''Book 4'')
* Randall ([[Rhys Darby]]) is a liquid person who can create conscious duplicates of himself at will. (recurring in ''Book 1''; guest in ''Book 2'' and ''Book 3'')
* Amelia Hughes ([[Lena Headey]]) is a passenger who overthrew One-One and usurped his position as the Conductor, hoping to use the train to recreate her dead husband Alrick Timmens ([[Matthew Rhys]]). In Book 3, Amelia works with One-One to make amends and undo the mistakes she made on the train. (recurring in ''Book 1'', ''Book 3'' and ''Book 4'')
* The Steward (Ashley Johnson) is a menacing robot that assists the Conductor. (Recurring ''Book 1'', ''Book 4''; Cameos ''Books 2–3'')
* Ghoms ([[Dee Bradley Baker]]) are dog/cockroach-like creatures that inhabit the Wasteland outside the train and attempt to suck the life-force out of the living. (recurring in ''Book 1'' and ''Book 3''; makes a cameo in ''Book 2'')
* Megan Olsen ([[Audrey Wasilewski]]) is Tulip's struggling mother and Andy's ex-wife who works as a nurse. (recurring in ''Book 1'')
* Andy Olsen ([[Mark Fite]]) is Tulip's depressed father and Megan's ex-husband. (recurring in ''Book 1'')
* Mikayla ([[Reagan Gomez-Preston]]) is Tulip's best friend before she gets on the train. (recurring in ''Book 1'')
* The Reflection Police, or "Flecs" are a pair of officers pursuing MT in order to destroy her for abandoning her responsibility as Tulip's reflection. (guest in ''Book 1''; recurring in ''Book 2'')
** Agent Mace ([[Ben Mendelsohn]]) is the gruff senior partner of the team.
** Agent Sieve ([[Bradley Whitford]]) is the more upbeat junior partner to Mace.
* Toad / Terrance (Owen Dennis) is a toad whom passengers must kick in order to exit the Toad Car. (recurring in ''Book 2'')
* Nathan "Nate" Cosay (Justin Felbinger) is Jesse's younger brother. (recurring in ''Book 2'')
* Lucy (Jenna Davis) is a young girl and member of the Apex. She lost an eye because of a harpoon pack. (appears as a cameo in ''Book 2''; recurring in ''Book 3'')
* Todd (Antonio Raul Corbo) is a young boy and member of the Apex. (guest in ''Book 2''; recurring in ''Book 3'')
* One (Jeremy Crutchley) is the conductor of the train and the previous combined form of One-One. (recurring in ''Book 4'')
* Parka Denizens ([[Kari Wahlgren]] and [[Keith Ferguson (voice actor)|Keith Ferguson]]) are a trio of [[parka]]-wearing train denizens, who seek retribution against Kez for unintentionally transforming them. (recurring in ''Book 4'')
* Cow Creamer ([[Audrey Wasilewski]]) is a French porcelain cow raising a giant sentient piglet, who pursues Kez for making her ward cry. (recurring in ''Book 4'')
* Pig Baby/Toddler ([[J. K. Simmons]]) is a giant sentient [[Piglet (animal)|piglet]] raised by Cow Creamer. (recurring in ''Book 4'')
* Judge Morpho ([[Margo Martindale]]) is a caterpillar sheriff of an [[Old West]] town who metamorphoses into a butterfly judge, who seeks to punish Kez for leaving a tea stain on their town charter. (recurring in ''Book 4'')
* Nigel is a silent astronaut bouncer who guards the entrance to a space-themed nightclub, who also pursues Kez for getting him fired from his job. (recurring in ''Book 4'')
* Morgan ([[Margaret Cho]]) is a sentient castle whom Kez used to reside in. (recurring in ''Book 4'')

==Production history==
===Conception and influences===
Prior to creating ''Infinity Train'', Owen Dennis worked as a storyboard artist on ''[[Regular Show]].'' Dennis conceived ''Infinity Train'' in 2010, originally as a film. He was inspired by "the feeling of waking up in an unsettling space" which he felt while on a return flight to the U.S. from China. Claiming when he had "woken up. I looked around, and there were a bunch of people staring into screens in the dark in this quiet room. I thought this was kind of creepy. And it sort of started from there."<ref name="'Infinity Train' tackles issues">{{cite news | url=https://www.latimes.com/entertainment-arts/tv/story/2019-08-08/infinity-train-owen-dennis | title='Infinity Train' tackles issues many kids shows avoid. The creator is proud of that | author=Tracy Brown | date=August 8, 2019 | newspaper=LA Times | quote=It’s a kids’ mystery-horror-comedy-science-fiction show,” Dennis told The Times. | access-date=August 31, 2020 | archive-date=January 12, 2022 | archive-url=https://web.archive.org/web/20220112071213/https://www.latimes.com/entertainment-arts/tv/story/2019-08-08/infinity-train-owen-dennis | url-status=live }}</ref> Like protagonist Tulip, Dennis created video games as an amateur in his teens, including [[point-and-click adventure game]]s and [[mod (video gaming)|mod]]s for titles such as ''[[Half-Life 2]]'' and ''[[Unreal Tournament 2004]]''. He has stated that ''[[Myst]]'' has been one of his primary influences since he was 13, and its influence continued in ''Infinity Train''.<ref>{{cite web | url=https://www.animationmagazine.net/animated-people/animated-people-owen-dennis-infinity-train-steams-ahead/ | title=Animated People: Owen Dennis' 'Infinity Train' Steams Ahead | author=Animation Magazine | work=[[Animation Magazine]] | date=August 4, 2019 | access-date=August 5, 2019 | archive-date=March 3, 2021 | archive-url=https://web.archive.org/web/20210303112727/https://www.animationmagazine.net/animated-people/animated-people-owen-dennis-infinity-train-steams-ahead/ | url-status=live }}</ref> He also cites ''[[Doctor Who]]'', [[Agatha Christie]], ''[[The NeverEnding Story (film)|The NeverEnding Story]]'', ''[[The Matrix]]'', [[Philip K. Dick]], ''[[Star Trek: Voyager]]'', ''[[Sliders (TV series)|Sliders]]'', and "[[The Mysterious Stranger]]" segment from ''[[The Adventures of Mark Twain (1985 film)|The Adventures of Mark Twain]]'' as influences, along with novels such as ''[[Nightbirds on Nantucket]]'' and ''[[The Wolves of Willoughby Chase]]''.<ref>{{citation |quote=Doctor Who, Agatha Christie, Myst, Neverending Story, The Matrix, Phillip K Dick, Star Trek Voyager, Sliders, and a lot of books that my parents used to read to me like Nightbirds on Nantucket, Wolves of Willoughby Chase, etc. -OD" |url=https://www.reddit.com/r/InfinityTrain/comments/co6u6w/owen_and_maddie_here_ask_us_anything/ewga5ah/ |title=Owen and Maddie here – ask us anything! |website=reddit.com/r/InfinityTrain |date=Aug 9, 2019 |access-date=August 10, 2019 |archive-date=July 26, 2021 |archive-url=https://web.archive.org/web/20210726162743/https://www.reddit.com/r/InfinityTrain/comments/co6u6w/owen_and_maddie_here_ask_us_anything/ewga5ah/ |url-status=live }}</ref><ref>{{cite web |last1=Dennis |first1=Owen |title=So today I found out that many people on my crew haven't seen this segment from the Adventures of Mark Twain, adapted from his story "The Mysterious Stranger". If you wanna know the aesthetic that is affecting Infinity Train, this is it. I've never seen a piece of media that has spoken to me and who I am as much as this does. This is just my soul. If I ever make something half as good as this, I'll die happy. |url=https://oweeeeendennis.tumblr.com/post/152830686692/unfortunately-thats-not-up-to-me-but-i-can-try |website=Tumblr |access-date=15 December 2020 |archive-date=July 26, 2021 |archive-url=https://web.archive.org/web/20210726065655/https://oweeeeendennis.tumblr.com/post/152830686692/unfortunately-thats-not-up-to-me-but-i-can-try |url-status=live }}</ref> Dennis has also described ''Infinity Train'' as "''[[Saw (franchise)|Saw]]'' for kids," in that each season is essentially a morality play based around machinery designed to help one overcome personal issues and appreciate life.<ref>{{cite tweet | author=Owen Dennis | user=OweeeeenDennis | number=1302597715390472192 | date=September 6, 2020 | title=lol I talked many MANY times in the writers' room about Saw. I've seen every Saw movie, all in theaters. "Yeah, it's like Saw for kids." is a phrase I've said countless times. | link=https://twitter.com/oweeeeendennis/status/1302597715390472192}}</ref>

===Development===
''Infinity Train'' has three staff writers, who make up the main story team in addition to showrunner Dennis and supervising producer/director Maddie Queripel. [[Cole Sanchez]] served on the story team for Book 1's development but departed to work as supervising producer on ''[[Summer Camp Island]]''. The process on each episode was that a writer would make an outline, an expansion of the outline, a script, and then would send it to a team of two board artists. The 'boarders' would have 5 weeks to make thumbnails, then the full boards, and then clean them up, before it would be sent away for animation. The animation is done by [[Sunmin Image Pictures]] in Seoul, South Korea using [[traditional animation]] methods.<ref>{{Cite web|last=LTD|first=SMIP CO|title=SMIP. CO., LTD|url=http://smipkorea.com/company/history|access-date=2020-11-01|website=smipkorea.com|language=ko|archive-date=January 28, 2021|archive-url=https://web.archive.org/web/20210128060903/http://smipkorea.com/company/history|url-status=live}}</ref>

===2016 pilot===
{{Quote box
|quote=This show was made because of the massive fan reaction to the pilot, and fans are what will help make more happen in the future.
|source=—Beth Elderkin, [[io9]]<ref name="Future Is in Jeopardy"/>
|align=right
|width=25%
}} 
The pilot was first released on the Cartoon Network App and [[Video on demand|VOD]] on November 1, 2016, and released the following day on the official Cartoon Network [[YouTube]] channel. The short garnered a million views within its first month of availability and has since gained 5.2&nbsp;million views as of July 2020, making it the most viewed pilot on the channel while two other originals, ''[[Welcome to My Life (pilot)|Welcome to My Life]]'' is the second most viewed pilot, and ''[[Twelve Forever]]'' (later moved to [[Netflix]]) being the third most viewed pilot.<ref>{{Cite web | url=http://oweeeeendennis.tumblr.com/post/154199062042/yyyeeeeeaaaaahhhhh | title=Oh, Hey, Hello. - YYYEEEEEAAAAAHHHHH!!!! | author=Owen Dennis | date=December 8, 2016 | website=Tumblr | access-date=March 3, 2018 | archive-date=March 4, 2021 | archive-url=https://web.archive.org/web/20210304094100/https://oweeeeendennis.tumblr.com/post/154199062042/yyyeeeeeaaaaahhhhh | url-status=live }}</ref> A petition to greenlight ''Infinity Train'' was made shortly after the pilot was released and garnered over 57,000 signatures.<ref>{{Cite web|url=https://cartoonbuzz.net/2017/10/03/cartoon-networks-infinity-train-why-isnt-this-a-show-yet/|title=Cartoon Network's Infinity Train: Why Isn't This a Show Yet?!|date=October 3, 2017|access-date=September 9, 2018|website=cartoonbuzz|archive-date=September 10, 2018|archive-url=https://web.archive.org/web/20180910061140/https://cartoonbuzz.net/2017/10/03/cartoon-networks-infinity-train-why-isnt-this-a-show-yet/|url-status=live}}</ref> On March 11, 2018, Cartoon Network's official website launched a teaser for ''Infinity Train'' that confirmed the pilot had been greenlit as a full series and would premiere in 2019.<ref>{{Cite web|url=http://www.cartoonnetwork.com/infinity-train/|title=Infinity Train|date=March 2, 2018|access-date=March 3, 2016|archive-url=https://web.archive.org/web/20180303072823/http://www.cartoonnetwork.com/infinity-train/|archive-date=March 3, 2018|df=mdy-all}}</ref><ref>{{cite web | url=https://deadline.com/2018/03/cartoon-network-rolls-out-largest-ever-slate-deepens-creative-bench-1202316509/ | title=Cartoon Network Rolls Out Largest-Ever Slate, Deepens Creative Bench | author=Dade Hayes | website=Deadline | date=March 8, 2018 | access-date=September 1, 2020 | archive-date=November 4, 2019 | archive-url=https://web.archive.org/web/20191104195435/https://deadline.com/2018/03/cartoon-network-rolls-out-largest-ever-slate-deepens-creative-bench-1202316509/ | url-status=live }}</ref>

===Full production===
{{multiple image
 | direction = vertical
 | width = 300
 | footer = Tulip, One-One and Atticus as seen in the pilot (top) and in the season 1 episode "The Corgi Car" (bottom).
 | image1 = Infinity-Train-2016-Pilot.png
 | alt1 = Infinity Train (Pilot)
 | image2 = Infinity-Train-2019-S01E03.png
 | alt2 = Infinity Train (S01E03)
 }}
In July 2018, a sneak peek of the first season was revealed on the Cartoon Network panel at the 2018 [[San Diego Comic-Con]]. It was released a couple of hours later on Cartoon Network's social media platforms.{{Citation needed|reason=Reliable source needed for the whole sentence|date=December 2019}} A full trailer for ''Infinity Train'' was released in June 2019 which was unlocked by playing the show theme on the ''Infinity Train'' website. It was later uploaded to Cartoon Network's YouTube channel.{{Citation needed|reason=Reliable source needed for the whole sentence|date=December 2019}} On July 11, 2019, the show was confirmed to premiere on August 5, 2019.<ref>{{Cite web|url=https://deadline.com/2019/07/infinity-train-premiere-date-cartoon-network-series-1202644536/|title='Infinity Train': Cartoon Network Series Set For Five-Day Rollout Next Month|last=Pedersen|first=Erik|date=2019-07-11|website=Deadline|access-date=2019-07-12|archive-date=July 11, 2019|archive-url=https://web.archive.org/web/20190711175212/https://deadline.com/2019/07/infinity-train-premiere-date-cartoon-network-series-1202644536/|url-status=live}}</ref> On July 20, 2019, the first episode was shown during the ''Infinity Train'' panel at San Diego Comic-Con. It was then released on the Cartoon Network app and website later that same day.<ref>{{Cite web|url=https://www.polygon.com/2019/7/20/20699402/infinity-train-trailer-release-date-sdcc-2019|title=Infinity Train trailer and first episode arrives at the SDCC station right ahead of release|last=Radulovic|first=Petrana|date=2019-07-20|website=Polygon|access-date=2019-07-22|archive-date=July 26, 2021|archive-url=https://web.archive.org/web/20210726075712/https://www.polygon.com/2019/7/20/20699402/infinity-train-trailer-release-date-sdcc-2019|url-status=live}}</ref> The first season would be 10 episodes long, with two episodes airing each night from August 5 to August 9, 2019.<ref>{{Cite tweet |number=1153484963934638080|title=Infinity Train is 10 episodes. 2 episodes a night for 5 nights, starting August 5th. It was designed to be watched as 2 episodes every night for 5 nights because that's what CN did for OTGW, so we thought it might work that way with us too. It flows well this way, I like it.|first=Owen |last=Dennis|date=2019-07-22|user=OweeeeenDennis |access-date=2019-07-24}}</ref>

From October 18, 2019, Cartoon Network started uploading a series of ''Infinity Train'' shorts onto their app and YouTube channel called "The Train Documentaries", which focused on One-One showing off a number of cars in the train, including "The Green Car", "Tiny Wizard Car", "The Kaiju Car" and "The Tech Support Car".

A promo after the final episode of the first season confirmed the series would return.<ref name="nexttime">{{Cite AV media |title=Until Next Time {{!}} Infinity Train {{!}} Cartoon Network|url=https://www.youtube.com/watch?v=lJg3RGhZxzw |access-date=2019-08-12}}</ref> On November 22, 2019, the ''Infinity Train'' website was updated with a new claw machine puzzle. Completing the puzzle leads to a trailer for Book 2. The trailer was then released officially the next day.<ref>{{cite web |author=Cartoon Network |title=Infinity Train: Book Two (Official Trailer) |url=https://www.youtube.com/watch?v=9livZeXARWU |website=YouTube |access-date=24 November 2019 |archive-date=July 29, 2021 |archive-url=https://web.archive.org/web/20210729130250/https://www.youtube.com/watch?v=9livZeXARWU |url-status=live }}</ref>
Book Two debuted on January 6, 2020.<ref>{{cite tweet|author=Cartoon Network |user=cartoonnetwork |title=Another door will open in 2020 ♾🚃⁣⁣ ⁣⁣Infinity Train Book 2: Cracked Reflection, a five night special event, starts in the U.S. on Monday January 6th at 7:30p on Cartoon Network!⁣⁣|number=1202271594535624705 |date=Dec 4, 2019 |access-date=4 December 2019}}</ref>

On July 6, 2020, Book 3 was officially announced with a release date of August 13, 2020.<ref>{{cite web |title=Third Installment of Animated Anthology Series Infinity Train will Premiere Exclusively on HBO Max This Summer |url=https://pressroom.warnermediagroup.com/us/media-release/hbo-max/third-installment-animated-anthology-series-infinity-train-will-premiere-exclusively |website=Warner Media Group |access-date=6 July 2020 |archive-date=July 6, 2020 |archive-url=https://web.archive.org/web/20200706202939/https://pressroom.warnermediagroup.com/us/media-release/hbo-max/third-installment-animated-anthology-series-infinity-train-will-premiere-exclusively |url-status=live }}</ref> Unlike its predecessors, it aired on [[HBO Max]] instead of [[Cartoon Network]]. Dennis revealed in a reply to a tweet that ''Infinity Train'' was originally planned to air on HBO Max from the beginning, but due to the streaming service's delay from its original 2019 launch date, the first two seasons were aired on Cartoon Network instead.<ref>{{cite tweet | author=Owen Dennis | user=OweeeeenDennis | number=1294083305944408065 | date=August 13, 2020 | title=Infinity Train was supposed to come out on HBO Max a year ago, but it didn't exist yet because of the lawsuit with Warner/AT&T, so everything got held up. The show is still made under CNS though, so we have the same rules we've always had but the money comes from HBO Max. | link=https://twitter.com/oweeeeendennis/status/1294083305944408065 | access-date=September 9, 2020}}</ref> It was later revealed at San Diego Comic-Con that the book would be titled ''Cult of the Conductor''.<ref>{{cite web | url=https://www.youtube.com/watch?v=amDDTsLhkLY | title=HBO Max And Cartoon Network Studios: Infinity Train Comic-Con@Home 2020 | author=Comic-Con International | date=July 24, 2020 | website=YouTube | access-date=September 9, 2020 | archive-date=February 17, 2021 | archive-url=https://web.archive.org/web/20210217234557/https://www.youtube.com/watch?v=amDDTsLhkLY | url-status=live }}</ref> Book 3 was released in three batches, with the first five episodes debuting on August 13, the next three on August 20, and the final two on August 27.<ref>{{cite tweet | author=Owen Dennis | user=OweeeeenDennis | number=1294374328616673280 | date=August 14, 2020 | title=When do the next set of infinity train episodes release? 8/20 - 3 more episodes 8/27 - The last 2 episodes | link=https://twitter.com/oweeeeendennis/status/1294374328616673280 | access-date=August 15, 2020}}</ref>

On February 17, 2021, Book 4 was officially announced with a teaser trailer containing distorted audio.<ref name="Book 4 WM PR" /><ref name="Book 4 Polygon">{{cite web|title=Infinity Train is full steam ahead for Book 4|website=Polygon|access-date=17 February 2021|first=Petrana|last=Radulovic|date=February 17, 2021|url=https://www.polygon.com/tv/2021/2/17/22287720/infinity-train-season-four-cartoon-network-hbo-max|archive-date=July 26, 2021|archive-url=https://web.archive.org/web/20210726084031/https://www.polygon.com/tv/2021/2/17/22287720/infinity-train-season-four-cartoon-network-hbo-max|url-status=live}}</ref><!-- DON'T add "Demon Slayer". Owen Dennis's tweet that Book Four would be called "Infinity Train: Demon Slayer" is (presumably) a joke about the fact that there's an unrelated anime film called "Demon Slayer: Infinity Train". -->

==Future==
On August 16, 2020, while ''Infinity Train'' Book 3 was releasing on HBO Max, Dennis reported that though the team had plans for more seasons, the whole crew and most of the production staff had been laid off, and the possibility of a series renewal depended on the series' viewership on HBO Max.<ref>{{cite tweet |author=Owen Dennis |user=OweeeeenDennis |number=1295137670499168256 |date=August 16, 2020 |title=And we can make more, *IF* we get the views. Right now, our whole crew was laid off and they all got new jobs. They wanna make more, I'd like to make more, so we have to watch the show and get other people (especially teens and young adults) to also watch the show on HBO Max. |access-date=August 17, 2020 |archive-url=https://archive.today/20200817030533/https://twitter.com/OweeeeenDennis/status/1295137670499168256 |archive-date=August 17, 2020 |url-status=live}}</ref><ref name="Future Is in Jeopardy">{{cite web|last=Elderkin|first=Beth|date=August 26, 2020|title=Infinity Train's Creator Says the Show's Future Is in Jeopardy|url=https://io9.gizmodo.com/infinity-trains-creator-says-the-shows-future-is-in-jeo-1844852183|access-date=August 30, 2020|website=[[io9]]|archive-date=April 29, 2021|archive-url=https://web.archive.org/web/20210429203604/https://io9.gizmodo.com/infinity-trains-creator-says-the-shows-future-is-in-jeo-1844852183|url-status=live}}</ref><ref name="GizmodoFutureJeopardy">{{Cite web |url=https://io9.gizmodo.com/infinity-trains-creator-says-the-shows-future-is-in-jeo-1844852183 |title=Infinity Train's Creator Says the Show's Future Is in Jeopardy |last=Elderkin |first=Beth |website=Gizmodo |date=August 26, 2020 |access-date=October 28, 2020 |archive-date=April 29, 2021 |archive-url=https://web.archive.org/web/20210429203604/https://io9.gizmodo.com/infinity-trains-creator-says-the-shows-future-is-in-jeo-1844852183 |url-status=live }}</ref><ref name="HITCRenewalS4">{{Cite web |url=https://www.hitc.com/en-gb/2020/08/27/infinity-train-season-4-release-date/ |title=INFINITY TRAIN SEASON 4: HBO MAX RENEWAL STATUS, POTENTIAL RELEASE DATE AND CARTOON NETWORK |last=Llewellyn |first=Tom |website=HITC |date=August 2020 |access-date=October 28, 2020 |archive-date=February 10, 2021 |archive-url=https://web.archive.org/web/20210210085029/https://www.hitc.com/en-gb/2020/08/27/infinity-train-season-4-release-date/ |url-status=live }}</ref><ref name="PolygonShowsPotential">{{Cite web |url=https://www.polygon.com/animation-cartoons/2020/8/20/21377124/infinity-train-book-3-review-hbo-max-new-seasons |title=Book 3 of Infinity Train shows the series' infinite potential |last=Radulovic |first=Petrana |website=HITC |date=August 20, 2020 |access-date=October 28, 2020 |archive-date=July 27, 2021 |archive-url=https://web.archive.org/web/20210727030157/https://www.polygon.com/animation-cartoons/2020/8/20/21377124/infinity-train-book-3-review-hbo-max-new-seasons |url-status=live }}</ref>

When asked how many more seasons of ''Infinity Train'' were planned, Dennis stated "We have rough ideas for themes and which characters we'd like to follow for five more seasons, up to season eight. Feels like '8' is a good place to stop because it looks like an infinity symbol."<ref name="Future Is in Jeopardy" /> When asked what he would like to do with the series in the future, Dennis expressed interest in exploring other time periods of the train, as well as a movie following Amelia's story. Dennis also stated that a season with an older Tulip was considered.<ref name="video game" />

Dennis expressed interest in doing ''Infinity Train'' comic books that "are in canon and could be written by or starring non-Americans."<ref name="Future Is in Jeopardy"/><ref name="video game"/> Dennis said that there were plans to make an ''Infinity Train'' video game, and there was an ''Infinity Train'' [[Virtual reality game|VR]] experience "where you hung out and solved puzzles in Corginia." Dennis also stated that a choose-your-own-adventure novel was considered. However, all of these projects were shelved when company priorities shifted.<ref name="video game">{{cite web | url=https://www.inverse.com/entertainment/infinity-train-season-5-release-date-movie-video-game-interview/amp | title='INFINITY TRAIN' SEASON 5? CREATOR PLANNED A MOVIE, A VIDEO GAME, AND MORE | first=Just | last=Lunning | date=April 20, 2021 | website=Inverse | access-date=April 23, 2021 | archive-date=May 22, 2021 | archive-url=https://web.archive.org/web/20210522090623/https://www.inverse.com/entertainment/infinity-train-season-5-release-date-movie-video-game-interview/amp | url-status=live }}</ref>

On March 11, 2021, it was announced that ''Infinity Train'' would end with its fourth season.<ref name="FinalSeason"/> Dennis clarified on Twitter that he did not intend for it to be the final season, and remains open to continuing the show in the future if given the opportunity.<ref>{{cite tweet |user= Oweeeeendennis | author=Owen Dennis | number=1370078407136997379 | date=March 11, 2021 | title=While this wasn't the intended final season of #infinitytrain, it is a self-contained story, and will add to the history and lore of the show like each season before it has. Everyone worked super hard on it, and I couldn't be happier with how it turned out. | language=En | access-date=March 11, 2021 | link=https://twitter.com/oweeeeendennis/status/1370078407136997379}}</ref><ref>{{cite tweet |user= Oweeeeendennis | author=Owen Dennis | number=1370078409397739522 | date=March 11, 2021 | title=Production stopped last December. Maybe someday we'll be able to make more, I don't know, but for the foreseeable future, this is going to be the last season and I hope you all have a good time watching it. Continue to support it however you can! | language=En | access-date=March 11, 2021 | link=https://twitter.com/oweeeeendennis/status/1370078409397739522}}</ref>

In a [[Reddit AMA]] on April 16, 2021, the day after Book 4's release, Dennis confirmed that Book 5 would have been the aforementioned Amelia-focused movie, and although a full script had been written, Cartoon Network Studios passed it on because they didn't think it had a "child entry point."<ref>{{citation |quote=We wrote an ''Infinity Train'' movie. It was season 5. They passed on it though because they thought it didn't have a child entry point. The show is over and no one is working on making anymore of it. I'd love to make more, but it's not what Cartoon Network wants to make right now.<br />It's very unfortunate, however, maybe someday it'll change! Many shows have come back after they've been cancelled because of fan engagement, so anything is possible as long as fans exist. – oweeeeendennis---------The man himself! |url=https://www.reddit.com/r/InfinityTrain/comments/mrrwrm/i_am_owen_dennis_creator_of_infinity_train_on/guol1rd/ |title=I am Owen Dennis, creator of Infinity Train on HBOMax which just released {{sic|i|t's|nolink=y}} 4th and final season today! AMA! |website=reddit.com/r/InfinityTrain |date=April 16, 2021 |access-date=April 16, 2021 |archive-date=August 8, 2021 |archive-url=https://web.archive.org/web/20210808090824/https://www.reddit.com/r/InfinityTrain/comments/mrrwrm/i_am_owen_dennis_creator_of_infinity_train_on/guol1rd/ |url-status=live }}</ref><ref>{{citation |quote=Will we ever get some sort of Rough Script for Book 5, if it never gets released? Like how Marc Laidlaw did with Half-Life: Epistle 3? – LiamQuantum<br />No, because a full script was written. No reason to release anything except the full script (which I won't) – oweeeeendennis---------The man himself! |url=https://www.reddit.com/r/InfinityTrain/comments/mrrwrm/i_am_owen_dennis_creator_of_infinity_train_on/guogmhc/ |title=I am Owen Dennis, creator of Infinity Train on HBOMax which just released {{sic|i|t's|nolink=y}} 4th and final season today! AMA! |website=reddit.com/r/InfinityTrain |date=April 16, 2021 |access-date=April 16, 2021 |archive-date=July 27, 2021 |archive-url=https://web.archive.org/web/20210727033131/https://www.reddit.com/r/InfinityTrain/comments/mrrwrm/i_am_owen_dennis_creator_of_infinity_train_on/guogmhc/ |url-status=live }}</ref> Dennis also claimed that books 5, 6, 7, and 8 would have covered the themes of grief, guilt, revenge, and acceptance, respectively,<ref>{{citation |quote=5) Grief 6) Guilt 7) Revenge 8) Acceptance– oweeeeendennis---------The man himself! |url=https://www.reddit.com/r/InfinityTrain/comments/mrrwrm/i_am_owen_dennis_creator_of_infinity_train_on/guoh4qu/?context=3 |title=I am Owen Dennis, creator of Infinity Train on HBOMax which just released {{sic|i|t's|nolink=y}} 4th and final season today! AMA! |website=reddit.com/r/InfinityTrain |date=April 16, 2021 |access-date=May 7, 2022 |archive-date=September 27, 2022 |archive-url=https://web.archive.org/web/20220927065427/https://www.reddit.com/r/InfinityTrain/comments/mrrwrm/i_am_owen_dennis_creator_of_infinity_train_on/guoh4qu/?context=3 |url-status=live }}</ref> and Book 8 would have touched on [[Alzheimer's disease]].<ref>{{citation |quote=Fuck this is horrifying dude. We did have a season where I wanted to touch on Alzheimers, the final season actually. It was going to be loosely inspired by an autobiography that my grandfather wrote while he was slowly succumbing to it. – oweeeeendennis---------The man himself! |url=https://www.reddit.com/r/InfinityTrain/comments/mrrwrm/i_am_owen_dennis_creator_of_infinity_train_on/guofybt/?context=3 |title=I am Owen Dennis, creator of Infinity Train on HBOMax which just released {{sic|i|t's|nolink=y}} 4th and final season today! AMA! |website=reddit.com/r/InfinityTrain |date=April 16, 2021 |access-date=May 7, 2022 |archive-date=September 27, 2022 |archive-url=https://web.archive.org/web/20220927065415/https://www.reddit.com/r/InfinityTrain/comments/mrrwrm/i_am_owen_dennis_creator_of_infinity_train_on/guofybt/?context=3 |url-status=live }}</ref> Dennis and series writer Lindsay Katai stated that there were also plans for an ''Infinity Train'' Christmas special.<ref>{{Cite web|title=r/InfinityTrain - Comment by u/oweeeeendennis on "I am Owen Dennis, creator of Infinity Train on HBOMax which just released {{sic|i|t's|nolink=y}} 4th and final season today! AMA!"|url=https://www.reddit.com/r/InfinityTrain/comments/mrrwrm/i_am_owen_dennis_creator_of_infinity_train_on/guo7uq1|access-date=2021-05-13|website=reddit|date=April 16, 2021|language=en-US|archive-date=April 16, 2021|archive-url=https://web.archive.org/web/20210416010206/https://www.reddit.com/r/InfinityTrain/comments/mrrwrm/i_am_owen_dennis_creator_of_infinity_train_on/guo7uq1/|url-status=live}}</ref><ref>{{cite tweet|author=Lindsay Katai |user=lindsaykatai |number=1383662954650898432 |date=April 17, 2021 |title=Not getting to do the Christmas special we were working on fucking kills me. Honestly, maybe even more so than not making Book 5. It was gonna be so fun and stupid. #InfinityTrain|url=https://twitter.com/lindsaykatai/status/1383662954650898432|access-date=2021-07-11|language=en}}</ref>

On May 8, 2021, Dennis released a mockup frame from the unproduced Book 5 in response to a fan movement to renew the show trending #1 worldwide and in multiple regions on [[Twitter]].<ref>{{cite tweet |author=Owen Dennis |user=OweeeeenDennis |number=1391030879263264769 |date=May 8, 2021 |title=As a thank you for that amazing Infinity Train trend party on April 29th (which got the hashtag to NUMBER ONE for 6 hours!), here's the mock up still I promised from the Amelia movie/5th season! |url=https://twitter.com/OweeeeenDennis/status/1391030879263264769 |access-date=2021-11-18 |language=en |archive-url=https://web.archive.org/web/20210509010918/https://twitter.com/OweeeeenDennis/status/1391030879263264769 |archive-date=9 May 2021 |url-status=dead}}</ref>

Gallery Nucleus in [[Alhambra, California]], held an official ''Infinity Train'' [[Art exhibition|art show]] from September 25 to October 3, 2021. The exhibition featured a collection of ''Infinity Train'' art by the crew of the show, exclusive ''Infinity Train'' merchandise, and a panel featuring the show's creator, Owen Dennis.<ref>{{cite web | url=https://www.cartoonbrew.com/events/an-infinity-train-exhibition-is-coming-to-l-a-s-gallery-nucleus-207704.html | title=An 'Infinity Train' Exhibition Is Coming To L.A.'s Gallery Nucleus | first=Alex | last=Dudok De Wit | date=August 6, 2021 | website=Cartoon Brew | access-date=August 7, 2021 | archive-date=September 27, 2022 | archive-url=https://web.archive.org/web/20220927065426/https://www.cartoonbrew.com/events/an-infinity-train-exhibition-is-coming-to-l-a-s-gallery-nucleus-207704.html | url-status=live }}</ref><ref>{{cite web | url=https://www.gallerynucleus.com/events/882?more_info=1 | title=Infinity Train | website=Gallery Nucleus | access-date=July 31, 2021 | archive-date=September 27, 2022 | archive-url=https://web.archive.org/web/20220927065416/https://www.gallerynucleus.com/events/882?more_info=1 | url-status=live }}</ref>

===Removal from HBO Max===
On August 17, 2022, it was announced that ''Infinity Train'' was among 37 series being removed from HBO Max.<ref name="HBOMaxDeadline">{{cite news |last1=White |first1=Peter |date=August 17, 2022 |title='Ellen's Next Great Designer', 'The Not-Too-Late Show With Elmo' & 'My Mom, Your Dad' Among Unscripted & Animated Titles Pulled From HBO Max |work=Deadline |url=https://deadline.com/2022/08/hbo-max-titles-pulled-ellens-next-great-designer-the-not-too-late-show-with-elmo-1235094987 |url-status=live |access-date=August 18, 2022 |archive-url=https://web.archive.org/web/20220928025117/https://deadline.com/2022/08/hbo-max-titles-pulled-ellens-next-great-designer-the-not-too-late-show-with-elmo-1235094987/ |archive-date=September 28, 2022}}</ref> Two days later, the series was removed from the streaming service. In addition, all references to the show were removed across Cartoon Network's [[Twitter]] and [[YouTube]] profiles, with Dennis subsequently stating on his Twitter bio that fans would have to resort to [[online piracy]] in order to watch the series.<ref>{{cite news |last1=Baker-Whitelaw |first1=Gavia |title=HBO Max pulls 20 original titles from streaming, including 'Infinity Train,' 'Summer Camp Island' |url=https://www.dailydot.com/unclick/hbo-max-shows-removed-animation-infinity-train/ |access-date=August 19, 2022 |work=The Daily Dot |date=August 18, 2022 |archive-date=September 27, 2022 |archive-url=https://web.archive.org/web/20220927065416/https://www.dailydot.com/unclick/hbo-max-shows-removed-animation-infinity-train/ |url-status=live }}</ref> The show's soundtrack was later removed from online platforms, though it has since been reinstated. Episodes of the show were, at the time, still able to be purchased digitally on [[Vudu]], [[Amazon Prime Video|Prime Video]], and [[Apple TV+]];<ref>{{Cite web |last=Radulovic |first=Petrana |date=2022-08-19 |title=Infinity Train, Summer Camp Island, and other shows wiped from HBO Max |url=https://www.polygon.com/entertainment/23313193/hbo-max-infinity-train-summer-camp-island-ok-ko-watch |access-date=2022-08-19 |website=Polygon |language=en-US |archive-date=August 19, 2022 |archive-url=https://web.archive.org/web/20220819175639/https://www.polygon.com/entertainment/23313193/hbo-max-infinity-train-summer-camp-island-ok-ko-watch |url-status=live }}</ref> as of October 2023, ''Infinity Train'' has since been removed from digital retailers.<ref name=":0" />

Following its removal from HBO Max, ''Infinity Train'' trended on Twitter as fans expressed their frustration and disappointment.<ref>{{cite web | url=https://screenrant.com/infinity-train-hbo-max-removal-creator-response/amp/ | title=Infinity Train Creator Responds to Show's Removal From HBO Max | first=Ellisha | last=O'Donnell | date=August 21, 2022 | website=[[Screen Rant]] | access-date=August 22, 2022 | archive-date=August 22, 2022 | archive-url=https://web.archive.org/web/20220822105751/https://screenrant.com/infinity-train-hbo-max-removal-creator-response/amp/ | url-status=live }}</ref> Meanwhile, all four seasons of ''Infinity Train'' topped the kids and family sale chart on [[iTunes]] on August 20, 2022.<ref>{{cite web | url=https://www.cbr.com/infinity-train-itunes-charts-warner-bros-hbo-max-purge/ | title=Infinity Train Tops iTunes Charts Following Warner Bros HBO Max Purge | first=Narayan | last=Liu | date=August 20, 2022 | website=[[Comic Book Resources]] | accessdate=August 22, 2022 | archive-date=September 27, 2022 | archive-url=https://web.archive.org/web/20220927065415/https://www.cbr.com/infinity-train-itunes-charts-warner-bros-hbo-max-purge/ | url-status=live }}</ref><ref>{{cite web | url=https://collider.com/warner-bros-hbo-max-removals-infinity-train-owen-dennis-comments/ | title='Infinity Train' Creator Owen Dennis Calls Warner Bros. Removal of Series From HBO Max "Incredibly Unprofessional" | first=Matt | last=Villei | date=August 21, 2022 | website=[[Collider (website)|Collider]] | accessdate=August 22, 2022 | archive-date=September 27, 2022 | archive-url=https://web.archive.org/web/20220927065415/https://collider.com/warner-bros-hbo-max-removals-infinity-train-owen-dennis-comments/ | url-status=live }}</ref> Additionally, the DVDs for ''Infinity Train'' sold out on websites such as [[Amazon (company)|Amazon]], [[Walmart]], [[Target Corporation|Target]], and [[Best Buy]], while the prices of the DVDs on [[eBay]] skyrocketed.<ref>{{cite web | url=https://www.gamespot.com/amp-articles/after-hbo-max-removal-infinity-train-dvds-are-sold-out-and-going-for-wild-prices-on-ebay/1100-6506684/ | title=After HBO Max Removal, Infinity Train DVDs Are Sold Out And Going For Wild Prices On eBay | first=Lan | last=Pitts | date=August 19, 2022 | website=[[GameSpot]] | access-date=August 22, 2022 | archive-date=September 27, 2022 | archive-url=https://web.archive.org/web/20220927065415/https://www.gamespot.com/amp-articles/after-hbo-max-removal-infinity-train-dvds-are-sold-out-and-going-for-wild-prices-on-ebay/1100-6506684/ | url-status=live }}</ref>

==Soundtrack==
{{Infobox album
| name       = Infinity Train: Book 1 (Original Soundtrack)
| type       = soundtrack
| artist     = Infinity Train [feat. Chrome Canyon]
| cover      =
| alt        =
| released   = December 6, 2019
| recorded   =
| venue      =
| studio     =
| genre      = Soundtrack
| length     = {{Duration|m=47|s=41}}
| label      = [[Cartoon Network]]
| producer   = Chrome Canyon & Owen Dennis
| prev_title = Running Away (Extended)
| prev_year  = 2019
| next_title = Train to Nowhere
| next_year  = 2021
}}
On December 6, 2019, ''Infinity Train: Book 1 (Original Soundtrack)'' was released with 27 songs from the first season, including extended versions of "Running Away" and "Boogie Bash (The Monster Party Car)".<ref>{{Cite web|title=The sound of Tulip's journey is available NOW! Download and stream the #InfinityTrain Book 1 soundtrack composed by Chrome Canyon and Owen Dennis!⁣|url=https://twitter.com/cartoonnetwork/status/1203034380391911426|access-date=2021-04-16|website=Twitter|language=en|archive-date=June 1, 2021|archive-url=https://web.archive.org/web/20210601151058/https://twitter.com/cartoonnetwork/status/1203034380391911426|url-status=live}}</ref> On April 15, 2021, the song "Train to Nowhere" from Book 4 was released as a single.<ref>{{Cite web|title=One ticket for the Train to Nowhere, please. Listen to the FULL SONG from #InfinityTrain Book 4 and watch the complete series now on @HBOMax! #ad|url=https://twitter.com/cartoonnetwork/status/1383091450678812675|access-date=2021-04-16|website=Twitter|language=en|archive-date=December 17, 2021|archive-url=https://web.archive.org/web/20211217223700/https://twitter.com/cartoonnetwork/status/1383091450678812675|url-status=live}}</ref>

==Home media==
''Infinity Train: Book One'' was released on DVD on April 21, 2020.<ref>{{Cite web|url=http://nothingbutgeek.com/2020/02/infinity-train-book-one-home-release-information/|title=Infinity Train: Book One Home Release Information|date=2020-02-05|website=Nothing But Geek|language=en-US|access-date=2020-02-05|archive-date=July 27, 2021|archive-url=https://web.archive.org/web/20210727040535/https://nothingbutgeek.com/2020/02/infinity-train-book-one-home-release-information/|url-status=live}}</ref> It includes animatics, commentary tracks, and ''The Train Documentaries'' shorts. ''Infinity Train: Book Two'' was released on DVD on May 25, 2021.<ref>{{Cite tweet|user=CineDump|number= 1364631274120351745 |title=All Aboard for a Mind-Bending Journey{{break}}INFINITY TRAIN: BOOK TWO{{break}}The DVD Arrives at Your Destination on May 25th{{break}}From Warner Bros. Home Entertainment|access-date=2021-02-24|language=en|author=CineDump}}</ref>

==Reception==
===Critical reception===
''Infinity Train'' received critical acclaim upon its debut. On ''[[Rotten Tomatoes]]'', each season has an approval rating of 100%, with season 1 based on reviews from 8 critics<ref>{{Cite web |url=https://www.rottentomatoes.com/tv/infinity_train/s01 |title=Infinity Train Season 1 |date=2020-08-27 |website=[[Rotten Tomatoes]] |access-date=2020-11-01 |archive-date=July 10, 2021 |archive-url=https://web.archive.org/web/20210710145136/https://www.rottentomatoes.com/tv/infinity_train/s01 |url-status=live }}</ref> and the other three from 6 each.<ref>{{Cite web |url=https://www.rottentomatoes.com/tv/infinity_train/s02 |title=Infinity Train Season 2 |date=2020-08-27 |website=[[Rotten Tomatoes]] |access-date=2020-11-01 |archive-date=February 18, 2022 |archive-url=https://web.archive.org/web/20220218132721/https://www.rottentomatoes.com/tv/infinity_train/s02 |url-status=live }}</ref><ref>{{Cite web |url=https://www.rottentomatoes.com/tv/infinity_train/s03 |title=Infinity Train Season 3 |date=2020-08-27 |website=[[Rotten Tomatoes]] |access-date=2021-05-06 |archive-date=February 20, 2022 |archive-url=https://web.archive.org/web/20220220094655/https://www.rottentomatoes.com/tv/infinity_train/s03 |url-status=live }}</ref><ref>{{Cite web |url=https://www.rottentomatoes.com/tv/infinity_train/s04 |title=Infinity Train Season 4 |date=2021-04-15 |website=[[Rotten Tomatoes]] |access-date=2021-05-06 |archive-date=May 8, 2021 |archive-url=https://web.archive.org/web/20210508124054/https://www.rottentomatoes.com/tv/infinity_train/s04 |url-status=live }}</ref>

Caroline Cao of ''[[/Film]]'' declared it a "wild triumph",<ref>{{Cite web|url=https://www.slashfilm.com/infinity-train-review/|title='Infinity Train' Review: Cartoon Network's New Show is a Wild Triumph|date=2019-08-13|website=/Film|access-date=2019-08-13|archive-date=August 13, 2019|archive-url=https://web.archive.org/web/20190813213001/https://www.slashfilm.com/infinity-train-review/|url-status=live}}</ref> while ''[[Nerdist Industries|Nerdist]]''<nowiki/>'s Andrea Towers declared it "one of the best animated programs of the year."<ref>{{Cite web|url=https://nerdist.com/article/infinity-train-why-you-should-watch/|title=INFINITY TRAIN Is a Surreal Adventure About Self-Reflection and Talking Corgis|website=Nerdist|access-date=2019-08-13|archive-date=August 13, 2019|archive-url=https://web.archive.org/web/20190813195556/https://nerdist.com/article/infinity-train-why-you-should-watch/|url-status=live}}</ref> Reuben Baron of ''[[Comic Book Resources|CBR]]'' favorably compared it to [[Cartoon Network]]'s animated miniseries ''[[Over the Garden Wall]]'' in its perfection, hailing it as "a beautifully handled piece of self-contained, character-driven storytelling."<ref>{{Cite web|url=https://www.cbr.com/review-infinity-train/|title=REVIEW: Infinity Train's Self-Contained Story Leaves You Wanting More|date=2019-08-11|website=CBR|access-date=2019-08-13|archive-date=August 12, 2019|archive-url=https://web.archive.org/web/20190812124822/https://www.cbr.com/review-infinity-train/|url-status=live}}</ref> Skyler Johnson from ''Comic Watch'' called it "excellent", with "emotional depth that is rarely seen in children's television", "witty, clever humor", and "stellar voice action."<ref>{{Cite web|url=https://comic-watch.com/television-shows/infinity-train-season-1-review|title=Infinity Train: Season 1 Review|last=Johnson|first=Skyler|date=2019-08-12|website=Comic Watch|access-date=2019-08-13|archive-date=August 13, 2019|archive-url=https://web.archive.org/web/20190813233400/https://comic-watch.com/television-shows/infinity-train-season-1-review|url-status=live}}</ref> Emily Ashby of ''[[Common Sense Media]]'' gave the series 5 out of 5 stars. In her review Ashby praised the positive messages about friendship and self-reflection. Ashby also praised the character of Tulip and the show's emotional moments.<ref>{{cite web | url=https://www.commonsensemedia.org/tv-reviews/infinity-train | title=Infinity Train Review | first=Emily | last=Ashby | date=19 August 2019 | publisher=Common Sense Media | access-date=August 25, 2019 | archive-date=September 27, 2022 | archive-url=https://web.archive.org/web/20220927065416/https://www.commonsensemedia.org/tv-reviews/infinity-train | url-status=live }}</ref>

The third season of ''Infinity Train'' particularly received critical acclaim. William Hughes of ''[[The A.V. Club]]'' praised season 3 for its darker themes and messages, hailing it as "the best, most challenging season yet."<ref>{{cite web |last=Hughes |first=William |title=Book 3 is Infinity Train's best, most challenging season yet |url=https://tv.avclub.com/book-3-is-infinity-train-s-best-most-challenging-seaso-1844694673 |website=The A.V. Club |date=August 13, 2020 |access-date=August 30, 2020 |archive-date=May 13, 2021 |archive-url=https://web.archive.org/web/20210513144202/https://tv.avclub.com/book-3-is-infinity-train-s-best-most-challenging-seaso-1844694673 |url-status=live }}</ref> Petrana Radulovic from ''[[Polygon (website)|Polygon]]'' praised the series' complex character arcs and noted the third season is a testament to the infinite potential of the premise.<ref>{{cite web |last=Radulovic |first=Petrana |title=Book 3 of Infinity Train shows the series' infinite potential |url=https://www.polygon.com/animation-cartoons/2020/8/20/21377124/infinity-train-book-3-review-hbo-max-new-seasons |website=Polygon |date=August 20, 2020 |access-date=30 August 2020 |archive-date=July 27, 2021 |archive-url=https://web.archive.org/web/20210727030157/https://www.polygon.com/animation-cartoons/2020/8/20/21377124/infinity-train-book-3-review-hbo-max-new-seasons |url-status=live }}</ref> Andrew Kolondra Jr. from ''[[The Vanderbilt Hustler]]'' called season 3 "genre-defying" and said "thanks to shows like ''Infinity Train'', the modern animation world is finally approaching a point at which it may break free of the notion that animation is 'just for kids.'"<ref>{{cite web | url=https://vanderbilthustler.com/33956/featured/taking-character-development-off-the-rails-in-infinity-train-book-3/ | title=Taking character development off the rails in 'Infinity Train: Book 3' | author=Andrew Kolondra Jr. | date=August 31, 2020 | website=[[The Vanderbilt Hustler]] | access-date=September 2, 2020 | archive-date=March 18, 2022 | archive-url=https://web.archive.org/web/20220318112939/https://vanderbilthustler.com/33956/featured/taking-character-development-off-the-rails-in-infinity-train-book-3/ | url-status=live }}</ref> ''[[Observer Media]]'' said the show has grown into its own, developing a compelling world and internal mysteries "that will draw you in with a masterclass in character development to fuel your drive to keep going."<ref>{{cite web | url=https://observer.com/2020/09/infinity-train-book-3-review-owen-dennis/ | title='Infinity Train' Book 3 Proves the Show Can Do Anything With Its Premise | author=Just Lunning | date=September 7, 2020 | website=Observer | access-date=September 9, 2020 | archive-date=September 27, 2022 | archive-url=https://web.archive.org/web/20220927065415/https://observer.com/2020/09/infinity-train-book-3-review-owen-dennis/ | url-status=live }}</ref> Beth Elderkin of ''[[io9]]'' praised season 3 for "enhancing the show's dedication to avoiding black-and-white views of morality". Elderkin particularly praised episode 5 of season 3 for its "stunning revelations" saying "it's worth watching for those alone."<ref>{{cite web | url=https://io9.gizmodo.com/infinity-train-book-3-is-about-the-lies-we-tell-ourselv-1844714465/amp | title=Infinity Train Book 3 Is About the Lies We Tell Ourselves | last=Elderkin | first=Beth | website=io9 | date=August 13, 2020 | access-date=December 18, 2020 | archive-date=September 2, 2020 | archive-url=https://web.archive.org/web/20200902081236/https://io9.gizmodo.com/infinity-train-book-3-is-about-the-lies-we-tell-ourselv-1844714465/amp | url-status=live }}</ref>

The fourth and final season of ''Infinity Train'' also received positive notice, though reception was considerably subdued compared to Book 3. The bulk of criticism was directed towards its lighthearted tone after the darker themes of the previous season, as well as its lack of finality, though many critics acknowledged in their reviews that Book 4 was not intended to be the final season. Darren Franich of ''Entertainment Weekly'' still hailed it as "a solid season of television."<ref>{{cite magazine |last1=Franich |first1=Darren |title=Infinity Train is your next great discovery: Review |url=https://ew.com/tv/tv-reviews/infinity-train-is-your-next-great-discovery/ |magazine=Entertainment Weekly |access-date=19 June 2021}}</ref> James Poniewozik of ''The New York Times'' agreed that the ending was bittersweet with the knowledge that the series was ending before the creative team had planned, but praised its humor and characters.<ref>{{cite news |last1=Poniewozik |first1=James |title=The Strange, Lovely 'Infinity Train' Reaches the End of the Line |url=https://www.nytimes.com/2021/04/14/arts/television/infinity-train-final-season.html |website=The New York Times |date=April 14, 2021 |access-date=19 June 2021 |archive-date=September 27, 2022 |archive-url=https://web.archive.org/web/20220927065426/https://www.nytimes.com/2021/04/14/arts/television/infinity-train-final-season.html |url-status=live }}</ref>

===Ratings===
As the show first entered production, the pilot for ''Infinity Train'' was first aired on Cartoon Network on Saturday February 11, 2017, at 6:00&nbsp;am without any advertisements for it.<ref>{{cite web | url=https://regularcapital.toonsphere.com/2017/02/infinity-train-pilot-debuts-on-cartoon-network-usa-11th-february-6am/?hcb=1 | title=Infinity Train Pilot Debuts On Cartoon Network USA 11th February 6am | date=February 10, 2017 | website=Toonsphere | access-date=January 19, 2021 | archive-date=November 29, 2021 | archive-url=https://web.archive.org/web/20211129122457/https://regularcapital.toonsphere.com/2017/02/infinity-train-pilot-debuts-on-cartoon-network-usa-11th-february-6am/?hcb=1 | url-status=live }}</ref> Despite this, the pilot pulled in approximately 703,000 views amongst the 18–49 year old demographic and ranked as the 33rd of the top 50 original cable telecasts for February 11, 2017.<ref>{{Cite web|url=http://www.showbuzzdaily.com/articles/showbuzzdailys-top-150-saturday-cable-originals-network-finals-2-11-2017.html |archive-url=https://web.archive.org/web/20170215023801/http://www.showbuzzdaily.com/articles/showbuzzdailys-top-150-saturday-cable-originals-network-finals-2-11-2017.html |url-status=dead |archive-date=February 15, 2017 |title=Showbuzzdaily's Top 150 Saturday Cable Originals Network Finals 2.11.2017|website=[[Showbuzzdaily.com]] |date=February 14, 2017|access-date=February 15, 2017|author=Metcalf, Mitch}}</ref>

In September 2020, ''Parrot Analytics'' found that the audience demand for ''Infinity Train'' was 21.3 times the demand of the average TV series in the United States within 30 days of its release.<ref>{{cite web | url=https://tv.parrotanalytics.com/US/infinity-train-cartoon-network | title=United States TV audience demand for Infinity Train | website=Parrot Analytics | access-date=September 9, 2020 | archive-date=April 19, 2021 | archive-url=https://web.archive.org/web/20210419153208/https://tv.parrotanalytics.com/US/infinity-train-cartoon-network | url-status=live }}</ref> In December 2020, ''[[Observer Media]]'' reported that ''Infinity Train'' was the fourth most-watched original series on HBO Max since its launch in May.<ref>{{cite web | last1=Katz | first1=Brandon | title=The TV Shows People Streamed the Most in 2020 | date=December 14, 2020 | url=https://observer.com/2020/12/amazon-apple-disney-hulu-most-popular-shows/ | website=Observer | access-date=December 16, 2020 | archive-date=September 27, 2022 | archive-url=https://web.archive.org/web/20220927065416/https://observer.com/2020/12/amazon-apple-disney-hulu-most-popular-shows/ | url-status=live }}</ref>

===Awards and nominations===
''Infinity Train: The Perennial Child'' was nominated in 2020 at the [[47th Annie Awards]] in the category ''Best Special Production''.<ref>{{cite web | url=https://annieawards.org/legacy/47th-annie-awards | title=47th Annual Annie Awards Legacy Past Nominess & Winners | website=annieawards.org | access-date=August 31, 2020 | archive-date=May 1, 2020 | archive-url=https://web.archive.org/web/20200501064841/https://annieawards.org/legacy/47th-annie-awards | url-status=live }}</ref>

==Notes==
{{notelist}}

==References==
{{Reflist|2}}

==Further reading==
* {{cite news |last=Justin |first=Neal |title=Can you spot the Minnesota references in Cartoon Network's 'Infinity Train'? |url=http://www.startribune.com/can-you-spot-the-minnesota-references-in-cartoon-network-s-infinity-train/566649671/ |work=[[Star Tribune]] |date=January 2, 2020}}

==External links==
{{wikiquote}}
* {{webarchive|url=https://web.archive.org/web/20220624091157/https://www.hbomax.com/series/urn:hbo:series:GXkNXsArG_o7CZgEAABfH|title=Official website|date=mdy}}
* {{IMDb title|6212344}} (2016 short film)
* {{IMDb title|8146754}} (TV Series)
* {{YouTube|id=oY6kfVWv01k|title="Infinity Train" (2016)}}{{Dead link|date=November 2022}}

{{Former Cartoon Network original programming}}
{{Max (streaming service)}}
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[[Category:Infinity Train| ]]
[[Category:2010s American animated television series]]
[[Category:2010s American anthology television series]]
[[Category:2010s American comedy-drama television series]]
[[Category:2010s American mystery television series]]
[[Category:2010s American supernatural television series]]
[[Category:2010s American teen drama television series]]
[[Category:2019 American television series debuts]]
[[Category:2020s American animated television series]]
[[Category:2020s American anthology television series]]
[[Category:2020s American comedy-drama television series]]
[[Category:2020s American mystery television series]]
[[Category:2020s American supernatural television series]]
[[Category:2020s American teen drama television series]]
[[Category:2021 American television series endings]]
[[Category:American children's animated adventure television series]]
[[Category:American children's animated anthology television series]]
[[Category:American children's animated drama television series]]
[[Category:American children's animated science fantasy television series]]
[[Category:American children's animated supernatural television series]]
[[Category:American children's animated mystery television series]]
[[Category:American fantasy drama television series]]
[[Category:Animated television series about cats]]
[[Category:Animated television series about dogs]]
[[Category:Animated television series about robots]]
[[Category:Animated television series about turtles]]
[[Category:Anime-influenced Western animated television series]]
[[Category:Cartoon Network original programming]]
[[Category:Television series by Cartoon Network Studios]]
[[Category:American English-language television shows]]
[[Category:Fictional trains]]
[[Category:HBO Max original programming]]
[[Category:Teen animated television series]]
[[Category:Teen fantasy television series]]
[[Category:Television series about cults]]
[[Category:Television series set in 2019]]
[[Category:Television series set in 2020]]
[[Category:Television series set in the 1980s]]
[[Category:Television shows about death]]
[[Category:Television shows set in Arizona]]
[[Category:Television shows set in Canada]]
[[Category:Television shows set in Minnesota]]
[[Category:Works about divorce]]
[[Category:Television shows set on trains]]
{{Навигационная таблица/Портал/Английская Википедия}}
[[Категория:Английская Википедия]]
[[Категория:Википедия]]
[[Категория:Статья из Википедии]]
[[Категория:Статья из Английской Википедии]]