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{{Английская Википедия/Панель перехода}}
{{Short description|Arrowverse crossover event}}
{{Use American English|date=January 2024}}
{{Use mdy dates|date=November 2018}}
{{Use list-defined references|date=January 2024}}
{{Infobox television crossover episode
| crossover_title = Elseworlds
| franchise       = [[Arrowverse]]
| image           = Elseworlds (Arrowverse) poster.jpg
| caption         = Promotional poster
| series1         = [[The Flash (2014 TV series)|The Flash]]
| episode_title1  = [[The Flash (season 5)#ep101|Elseworlds, Part 1]]
| season1         = 5
| episode_no1     = 9
| director1       = [[Kevin Tancharoen]]
| writer1         = {{Plainlist|
* Eric Wallace
* Sam Chalsen
}}
| production1  = T27.13759
| airdate1        = {{Start date|2018|12|9}}
| prev1           = [[What's Past Is Prologue (The Flash)|What's Past Is Prologue]]
| next1           = [[The Flash & the Furious]]
| season_article1 = The Flash (season 5)
| episode_list1   = List of The Flash episodes

| series2         = [[Arrow (TV series)|Arrow]]
| episode_title2  = [[Arrow (season 7)#ep147|Elseworlds, Part 2]]
| season2         = 7
| episode_no2     = 9
| director2       = [[James Bamford (stunt coordinator)|James Bamford]]
| story2          = [[Caroline Dries]]
| teleplay2       = [[Marc Guggenheim]]
| production2  = T27.13659
| airdate2        = {{Start date|2018|12|10}}
| prev2           = [[Unmasked (Arrow)|Unmasked]]
| next2           = [[My Name Is Emiko Queen]]
| season_article2 = Arrow (season 7)
| episode_list2   = List of Arrow episodes

| series3         = [[Supergirl (TV series)|Supergirl]]
| episode_title3  = [[Supergirl (season 4)#ep74|Elseworlds, Part 3]]
| season3         = 4
| episode_no3     = 9
| director3       = [[Jesse Warn]]
| story3          = Marc Guggenheim
| teleplay3       = {{Plainlist|
* Derek Simon
* Robert Rovner
}}
| production3 = T13.21209
| airdate3        = {{Start date|2018|12|11}}
| prev3           = [[Bunker Hill (Supergirl)|Bunker Hill]]
| next3           = [[Suspicious Minds (Supergirl)|Suspicious Minds]]
| season_article3 = Supergirl (season 4)
| episode_list3   = List of Supergirl episodes

| preceded_by     = [[Crisis on Earth-X]]
| followed_by     = [[Crisis on Infinite Earths (Arrowverse)|Crisis on Infinite Earths]]
}}

"'''Elseworlds'''" is the fifth [[Arrowverse]] [[Crossover (fiction)|crossover]] event that features episodes of the television series ''[[The Flash (2014 TV series)|The Flash]]'', ''[[Arrow (TV series)|Arrow]]'', and ''[[Supergirl (TV series)|Supergirl]]'' on [[The CW]]. The crossover event began on December 9, 2018, with ''The Flash'', continued on ''Arrow'' on December 10, and concluded on ''Supergirl'' on December 11. "Elseworlds" introduces the characters [[Kate Kane (Arrowverse)|Batwoman]] and [[Lois Lane (Arrowverse)|Lois Lane]], and the fictional [[Gotham City (Arrowverse)|Gotham City]], to the universe. In the crossover, [[Oliver Queen (Arrowverse)|Green Arrow]], [[Barry Allen (Arrowverse)|Flash]], and [[Kara Danvers (Arrowverse)|Supergirl]] are drawn to Gotham City to confront [[John Deegan (Arrowverse)|Dr. John Deegan]] over his work at [[Arkham Asylum (Arrowverse)|Arkham Asylum]].

The crossover was confirmed in May 2018 at The CW's [[Upfront (advertising)|upfront]] presentation, where the inclusion of Batwoman and Gotham City were revealed. Throughout August and September that year, casting for the crossover—including [[Ruby Rose]] as Batwoman, [[Bitsie Tulloch|Elizabeth Tulloch]] as Lois Lane, and the announcement that [[Tyler Hoechlin]] would return to portray [[Clark Kent (Arrowverse)|Superman]]—was revealed. The title of the crossover was announced at the end of September and filming began in October 2018. In "Elseworlds", Arrowverse actors portray other roles and [[John Wesley Shipp]] reprises his role as Barry Allen / Flash from the 1990 series ''[[The Flash (1990 TV series)|The Flash]]''. The conclusion of "Elseworlds" set up "[[Crisis on Infinite Earths (Arrowverse)|Crisis on Infinite Earths]]" as the next crossover, which aired between December 2019 and January 2020.

{{TOC limit|3}}

== Plot ==
===Part 1===

On a ravaged [[Earth-90 (Arrowverse)|Earth-90]], [[Barry Allen (Arrowverse Earth-90)|The Flash]] escapes as a mysterious figure uses a powerful book. On [[Earth-1 (Arrowverse)|Earth-1]], the same figure gives the book to [[Arkham Asylum (Arrowverse)|Arkham Asylum]] psychiatrist [[John Deegan (Arrowverse)|John Deegan]], who uses it to rewrite reality according to his will. The following day, [[Oliver Queen (Arrowverse)|Oliver Queen]] and [[Barry Allen (Arrowverse)|Barry Allen]] wake up in each other's lives. Team Flash does not believe them and locks them up in the [[S.T.A.R. Labs (Arrowverse)|S.T.A.R. Labs]] pipeline. Oliver and Barry use each other's abilities to escape and travel to [[Earth-38 (Arrowverse)|Earth-38]] to get help from [[Kara Danvers (Arrowverse)|Kara Danvers]] and acquaint themselves with her cousin [[Clark Kent (Arrowverse)|Clark Kent]] and [[Lois Lane (Arrowverse)|Lois Lane]], at [[Smallville (comics)|Smallville]], [[Kansas]]. Meanwhile, an android called [[A.M.A.Z.O. (Arrowverse)|A.M.A.Z.O.]] awakens and threatens [[Central City (Arrowverse)|Central City]]. [[Cisco Ramon (Arrowverse)|Cisco Ramon]] retrieves Oliver and Barry from Earth-38, with Kara and Clark helping. After defeating A.M.A.Z.O., Clark returns to protect Earth-38. Cisco vibes Deegan and the mysterious figure, who sees them vibing him and tells the group that something is coming and they will not be able to stop it. Oliver realizes the figure and Deegan were located in [[Gotham City (Arrowverse)|Gotham City]].

===Part 2===

In Gotham, Barry, Oliver and Kara are arrested by the [[Gotham City Police Department|GCPD]]. They are bailed out by [[Wayne Enterprises]]' CEO [[Kate Kane (Arrowverse)|Kate Kane]], who tells them Deegan is at Arkham Asylum. The trio, with the assistance of [[Caitlin Snow (Arrowverse)|Caitlin]] and [[John Diggle (Arrowverse)|Diggle]], break into Arkham to confront Deegan. They retrieve the "Book of Destiny" but Deegan escapes by causing a mass breakout. During a confrontation with inmate [[Nora Fries (Arrowverse)|Nora Fries]], Barry and Oliver are exposed to fear gas and believe each other to be [[Malcolm Merlyn (Arrowverse)|Malcolm Merlyn]] and [[Eobard Thawne (Arrowverse)|Eobard Thawne]], respectively. After stopping the breakout, Kate, as the vigilante Batwoman, rouses them from their hallucinatory state and tells them to leave Gotham. They head to [[A.R.G.U.S. (Arrowverse)|A.R.G.U.S.]] to restore reality, where Earth-90's Flash warns them about [[Mar Novu (Arrowverse)|Mar Novu / Monitor]], who is testing worlds for an [[Crisis on Infinite Earths (Arrowverse)|impending crisis]]. They confront Novu, who breaches away Earth-90's Flash, reclaims the book and returns it to Deegan, who writes a new reality in which Barry and Oliver are powerless criminals known as the [[Trigger Twins]] and are confronted by a black-suited Superman.

===Part 3===

Oliver realizes the Superman impostor is actually Deegan before forcing him to save innocents while they escape to find Cisco. Deegan and his forces, including the Earth-1 doppelgänger of Kara's adoptive sister [[Alex Danvers]], are holding Kara at S.T.A.R. Labs. Barry and Oliver locate Cisco and persuade him to take them to Earth-38. They find Clark, who agrees to return with them to Earth-1 while Kara persuades Alex to release her. Arriving on Earth-1, Clark and Oliver fight Deegan and his forces while Alex, Barry, and Kara locate the Book of Destiny in the Time Vault and take it to Clark, who restores Barry, Oliver, and Kara to their real selves. Deegan retrieves the book and attempts to rewrite reality again. To impede his progress, Barry and Kara slow down time by speeding around the Earth in opposite directions. Oliver confronts Novu, asking him to spare Barry and Kara, but Novu demands something from Oliver in exchange. Clark, joined by Lois, [[Brainiac 5 (Arrowverse)|Brainiac 5]], and [[J'onn J'onzz (Arrowverse)|J'onn J'onzz]], fights Deegan and a revived A.M.A.Z.O. Barry and Kara are nearly torn apart by their speed but Oliver shoots the book with an arrow enhanced by Novu. Deegan reverts to himself, though heavily disfigured, and reality is restored. After returning to Earth-38, Clark and Lois tell Kara they are expecting a child and will return to [[Argo City]], leaving Earth's protection to her. On Earth-1, Oliver is contacted by Kate, who says Deegan, now incarcerated at Arkham, has made a [[Roger Hayden (Arrowverse)|new friend]] who tells Deegan: "Worlds will live, worlds will die, and the universe will never be the same".

== Cast and characters ==
{{further-text|[[List of The Flash characters|The Flash]], [[List of Arrow characters|Arrow]], and [[List of Supergirl characters|Supergirl]] cast and characters}}

=== Main and recurring ===
<!--Ordered per WP:TVCAST. Listings based on order in The Flash episode, with any new actors first appearing in Arrow and then Supergirl added to the end of the list-->
{| class="wikitable plainrowheaders" style="width:75%; text-align: center;"
|+{{sronly|Main and recurring characters appearing in "Elseworlds"}}
|-
! scope="col" rowspan="2" style="width: 12%;" | Actor
! scope="col" rowspan="2" style="width: 20%;" | Character
! scope="col" colspan="4" | Episode
|-
! scope="col" style="width: 7%;" | ''The Flash''
! scope="col" style="width: 7%;" | ''Arrow''
! scope="col" style="width: 7%;" | ''Supergirl''
|-
! scope="row" rowspan="2" style="text-align: center;" | [[Grant Gustin]]<ref name="Davies" /><ref name="EWRevealNov2018" />
| [[Barry Allen (Arrowverse)|Barry Allen / Flash]]
| rowspan="2" {{CMain}}
| rowspan="2" colspan="2" {{CGuest}}
|-
| Oliver Queen / Green Arrow
|-
! scope="row" style="text-align: center;" | [[Candice Patton]]<ref>{{Cite tweet |number=1055539833534214144 |user=candicepatton |title=Only on Flash |first=Candice |last=Patton |date=October 25, 2018 |access-date=October 27, 2018}}</ref>
| [[Iris West (Arrowverse)|Iris West-Allen]]
| {{CMain|Main}}
| colspan="2" {{CNone}}
|-
! scope="row" style="text-align: center;" | [[Danielle Panabaker]]<ref>{{Cite tweet |number=1070749933098160129 |user=dpanabaker |title=Who's excited for Elseworlds?! I will be appearing in all 3 episodes of the crossover! Make sure you watch @CW_TheFlash on Sunday, @CW_Arrow on Monday & @TheCWSupergirl on Tuesday! |first=Danielle |last=Panabaker |date=December 6, 2018 |access-date=December 6, 2018}}</ref>
| [[Caitlin Snow (Arrowverse)|Caitlin Snow / Killer Frost]]
| {{CMain|Main}}
| colspan="2" {{CGuest|Guest}}
|-
! scope="row" style="text-align: center;" | [[Carlos Valdes (actor)|Carlos Valdes]]<ref name="VarietyEp1Recap" /><ref name="VarietyEp2Recap" /><ref name="VarietyEp3Recap" />
| [[Cisco Ramon (Arrowverse)|Cisco Ramon / Vibe]]
| {{CMain|Main}}
| colspan="2" {{CGuest|Guest}}
|-
! scope="row" style="text-align: center;" | [[Hartley Sawyer]]<ref name="VarietyEp1Recap" />
| [[Ralph Dibny (Arrowverse)|Ralph Dibny / Elongated Man]]
| {{CMain|Main}}
| colspan=2 {{CNone}}
|-
! scope="row" rowspan="2" style="text-align: center;" | [[Tom Cavanagh]]<ref name="VarietyEp2Recap" />
| [[Harrison Wells|"Sherloque" Wells]]
| {{CMain|Main}}
| colspan=2  {{CNone}}
|-
| [[Eobard Thawne (Arrowverse)|Eobard Thawne / Reverse-Flash]]
| {{CNone}}
| {{CGuest|Guest}}
| {{CNone}}
|-
! scope="row" rowspan="2" style="text-align: center;" | [[Stephen Amell]]<ref name="Davies" /><ref name="EWRevealNov2018" />
| [[Oliver Queen (Arrowverse)|Oliver Queen / Green Arrow]]
| rowspan="2" {{CGuest|Guest}}
| rowspan="2" {{CMain|Main}}
| rowspan="2" {{CGuest|Guest}}
|-
| Barry Allen / Flash
|-
! scope="row" style="text-align: center;" | [[David Ramsey]]<ref name="VarietyEp1Recap" /><ref name="VarietyEp2Recap" /><ref name="VarietyEp3Recap" />
| [[John Diggle (Arrowverse)|John Diggle]]
| {{CGuest|Guest}}
| {{CMain|Main}}
| {{CGuest|Guest}}
|-
! scope="row" rowspan="2" style="text-align: center;" | [[Tyler Hoechlin]]<ref name="Hoechlin" /><ref name="DoctorDestiny" />
| [[Clark Kent (Arrowverse)|Clark Kent / Superman]]
| {{CGuest|Guest}}
| {{CNone}}
| {{CGuest|Guest}}
|-
| John Deegan / Superman
| {{CNone}}
| colspan="2" {{CGuest|Guest}}
|-
! scope="row" style="text-align: center;" | [[Melissa Benoist]]<ref name="Davies" />
| [[Supergirl (Arrowverse)|Kara Danvers / Supergirl]]
| colspan="2" {{CGuest|Guest}}
| {{CMain|Main}}
|-
! scope="row" style="text-align: center;" | [[Jeremy Davies]]<ref name="VarietyEp1Recap" /><ref name="DoctorDestiny" /><ref name="SynopsisCredits" />
| [[John Deegan (Arrowverse)|John Deegan]]
| colspan="3" {{CGuest|Guest}}
|-
! scope="row" style="text-align: center;" | [[LaMonica Garrett]]<ref name="VarietyEp2Recap" /><ref name="VarietyEp3Recap" /><ref name="TVInsiderNov2018" />
| [[Monitor (Arrowverse)|Mar Novu / Monitor]]
| colspan="3" {{CGuest|Guest}}
|-
! scope="row" style="text-align: center;" | [[Bitsie Tulloch|Elizabeth Tulloch]]<ref>{{Cite web |last=Roots |first=Kimberly |date=December 8, 2018 |title=High on Lois: Elizabeth Tulloch Previews Her Super Adventure in the Arrowverse Crossover |url=https://tvline.com/2018/12/08/arrowverse-crossover-preview-elizabeth-tulloch-lois-lane-superman-interview/ |url-status=live |archive-url=https://web.archive.org/web/20181209192059/https://tvline.com/2018/12/08/arrowverse-crossover-preview-elizabeth-tulloch-lois-lane-superman-interview/ |archive-date=December 9, 2018 |access-date=December 9, 2018 |publisher=[[TVLine]] |df=mdy-all}}</ref>
| [[Lois Lane (Arrowverse)|Lois Lane]]
| {{CGuest|Guest}}
| {{CNone}}
| {{CGuest|Guest}}
<!--End of The Flash credits-->
|-
! scope="row" style="text-align: center;" | [[Emily Bett Rickards]]<ref name="VarietyEp2Recap" />
| [[Felicity Smoak (Arrowverse)|Felicity Smoak]]
| {{CNone}}
| {{CMain|Main}}
| {{CNone}}
|-
! scope="row" style="text-align: center;" | [[Echo Kellum]]<ref name="VarietyEp2Recap" />
| [[Curtis Holt (Arrowverse)|Curtis Holt]]
| {{CNone}}
| {{CMain|Main}}
| {{CNone}}
|-
! scope="row" style="text-align: center;" | [[Kirk Acevedo]]<ref name="AcevedoBarrowman" />
| [[Ricardo Diaz (Arrowverse)|Ricardo Diaz]]
| {{CNone}}
| {{CMain|Main}}
| {{CNone}}
|-
! scope="row" style="text-align: center;" | [[Ruby Rose]]<ref>{{Cite web |last=Bucksbaum |first=Sydney |date=December 12, 2018 |title=Should The CW Order a 'Batwoman' Series? |url=https://www.hollywoodreporter.com/tv/tv-news/batwoman-series-poll-elseworlds-recap-1168339/ |url-status=live |archive-url=https://web.archive.org/web/20220204141240/https://www.hollywoodreporter.com/tv/tv-news/batwoman-series-poll-elseworlds-recap-1168339/ |archive-date=February 4, 2022 |access-date=March 24, 2022 |website=[[The Hollywood Reporter]]}}</ref>
| [[Kate Kane (Arrowverse)|Kate Kane / Batwoman]]
| {{N/a|Uncredited cameo}}
| colspan="2" {{CGuest|Guest}}
|-
! scope="row" style="text-align: center;" | [[Bob Frazer]]<ref name="Frazer" />
| [[Roger Hayden (Arrowverse)|Roger Hayden / Psycho-Pirate]]
| {{CNone}}
| colspan="2" {{CGuest|Guest}}
|-
! scope="row" style="text-align: center;" | [[Cassandra Jean|<!--this is so that the Auto-Format button doesn't break the link-->Cassandra Jean Amell]]<ref name="VarietyEp2Recap" />
| [[Nora Fries (Arrowverse)|Nora Fries]]
| {{CNone}}
| colspan="2" {{CGuest|Guest}}
<!-- For Supergirl-->
|-
! scope="row" style="text-align: center;" | [[John Wesley Shipp]]<ref name="VarietyEp2Recap" /><ref name="Earth90" />
| [[Barry Allen (Arrowverse Earth-90)|Barry Allen / Flash]] (Earth-90)
| {{N/a|Uncredited cameo}}
| {{CGuest|Guest}}
| {{CNone}}
<!--End of Arrow credits-->
|-
! scope="row" style="text-align: center;" | [[Mehcad Brooks]]<ref name="VarietyEp3Recap" /><ref name="Earth1AlexJamesOlsen" />
| [[James Olsen (Arrowverse)|James Olsen]] (Earth-1)
| colspan="2" {{CNone}}
| {{CMain|Main}}
|-
! scope="row" style="text-align: center;" | [[Chyler Leigh]]<ref name="VarietyEp3Recap" /><ref name="Earth1AlexJamesOlsen" />
| [[Alex Danvers]] (Earth-1)
| colspan="2" {{CNone}}
| {{CMain|Main}}
|-
! scope="row" style="text-align: center;" | [[Jesse Rath]]<ref name="VarietyEp3Recap" />
| [[Brainiac 5 (Arrowverse)|Querl "Brainy" Dox / Brainiac 5]]
| colspan="2" {{CNone}}
| {{CMain|Main}}
|-
! scope="row" style="text-align: center;" | [[David Harewood]]<ref name="VarietyEp3Recap" />
| [[Martian Manhunter (Arrowverse)|J'onn J'onzz / Martian Manhunter]]
| colspan="2" {{CNone}}
| {{CMain|Main}}
|-
|}
* '''Note''': Despite being credited, [[Jesse L. Martin]] does not appear in ''The Flash'' episode; [[Rick Gonzalez]], [[Juliana Harkavy]], [[Colton Haynes]], Sea Shimooka and [[Katie Cassidy]] do not appear in the ''Arrow'' episode; [[Katie McGrath]], [[Sam Witwer]], [[Nicole Maines]], and [[April Parker Jones]] do not appear in the ''Supergirl'' episode.

=== Guests ===
* Liam Hall as [[Kane Wolfman]] (''Arrow'')<ref name="AcevedoBarrowman" />
* [[John Barrowman]] as [[Malcolm Merlyn (Arrowverse)|Malcolm Merlyn]] (''Arrow'')<ref name="AcevedoBarrowman" />
* [[Adam Tsekhman]] as [[Gary Green (Arrowverse)|Gary Green]] (''Supergirl'')<ref name="VarietyEp3Recap" />

== Production ==

=== Development ===
{{See also|Arrowverse#Official crossover events}}
Coming off the previous year's crossover, "[[Crisis on Earth-X]]", executive producer [[Marc Guggenheim]] noted that the process to pull off that crossover had made each series' crews "pretty burned out", with them "feeling the effects of it literally a year after". This led the producers to want to take a year off from the yearly crossovers, but were convinced by [[The CW]] to create another when they allowed the crossover to not be with all four series as "Crisis on Earth-X" had been.<ref name="EWCrossovers2019" /> In May 2018, The CW president [[Mark Pedowitz]] and ''[[Arrow (TV series)|Arrow]]'' lead [[Stephen Amell]] announced at The CW's [[Upfront (advertising)|upfront]] presentation that [[Batwoman]], fighting alongside the other [[Arrowverse]] heroes, would be introduced in the upcoming crossover. The fictional [[Gotham City (Arrowverse)|Gotham City]] would also appear. Despite the inclusion of the character and city, the crossover would not include the television series ''[[Gotham (TV series)|Gotham]]'' that airs on [[Fox Broadcasting Company|Fox]].<ref name="Batwoman" /> That July, The CW was planning a potential standalone [[Batwoman (TV series)|Batwoman series]] after her appearance in the crossover;<ref name="BatwomanSeries" /> [[Caroline Dries]], who was creating and writing the potential Batwoman series, was expected to consult on the crossover.<ref name="BatwomanSeriesDeadline" /> It was confirmed that ''[[Legends of Tomorrow]]'' would not feature in the crossover.<ref name="BatwomanSeries" /> ''Legends of Tomorrow'' co-showrunner [[Phil Klemmer]] said because the crossover was being used to launch the Batwoman-led series, "it just became over capacity", and that because ''Legends of Tomorrow'' would have a 16-episode season, the crossover would have been "a tonal speed-bump, or a departure, and we just don't have time to step away from our story this year".<ref name="LegendsNoReason" /> Despite not being part of the official crossover, ''Legends of Tomorrow'' co-showrunner [[Keto Shimizu]] revealed "Legends of To-Meow-Meow", the show's episode airing the week of the crossover, would be "crossing over with ourselves" through the use of alternate time periods,<ref name="LegendsOwnCrossover" /> and Adam Tsekhman guest stars as Gary Green in the ''[[Supergirl (TV series)|Supergirl]]'' episode.<ref name="VarietyEp3Recap" /><ref name="EWRevealNov2018" />

At the end of September 2018, the title of the crossover was announced as "Elseworlds", sharing the name of the ''[[Elseworlds]]'' [[imprint (trade name)|imprint]] of comics from [[DC Comics]] that takes place outside the [[DC Universe]] [[Canon (fictional)|canon]].<ref name="ElseworldsTitle" /> The producers initially considered titling it "Identity Crisis" but abandoned the idea because, according to Guggenheim, this title would be "false advertising, because we're obviously not doing the [[Brad Meltzer]], [[Rags Morales]] ''[[Identity Crisis (DC Comics)|Identity Crisis]]'' story".<ref name="IdentityCrisis" />

=== Writing ===
The story for "Elseworlds" was created by [[Greg Berlanti]], the executive producers and writers from each series, [[Geoff Johns]], and Dries. ''Arrow'' showrunner Beth Schwartz referred to these people as "the Super Writers' Room",<ref name="EWSupermanLoisPhoto" /> and noted that Marc Guggenheim, who was a consultant on ''Arrow''{{'}}s seventh season, had "taken the lead on the crossover", acting as the showrunner for it.<ref name="EWBlackSupermanSuit" /> ''The Flash'' episode was written by Eric Wallace and Sam Chalsen, the ''Arrow'' episode features a story by Caroline Dries and a teleplay by Marc Guggenheim, and the ''Supergirl'' episode features a story by Marc Guggenheim and a teleplay by Derek Simon and Robert Rovner.<ref name="SynopsisCredits" /> The episodes' scripts were completed by mid-September 2018.<ref name="Scripts" /> Guggenheim said "Elseworlds" would have a long-lasting impact for the Arrowverse and "lays the groundwork for next year's crossover".<ref name="TVInsiderNov2018" /> At the conclusion of "Elseworlds", it was revealed that the next crossover would be "[[Crisis on Infinite Earths (Arrowverse)|Crisis on Infinite Earths]]" in late 2019, adapting the storyline from the [[Crisis on Infinite Earths|comic of the same name]].<ref name="CrisisOnInfiniteEarthsCrossover" />

The preceding episodes of each series feature "puzzling events" that lead to the events of the crossover.<ref name="TVInsiderNov2018" /> The same end-credits scene teasing the events of crossover was shown at the end of the episodes "[[Bunker Hill (Supergirl)|Bunker Hill]]", "[[Unmasked (Arrow)|Unmasked]]", and "[[What's Past Is Prologue (The Flash)|What's Past Is Prologue]]". The scene also confirmed Earth-90 as the earth for the Flash from [[The Flash (1990 TV series)|the 1990 television series]]. Guggenheim said the tease was "cool because we've never&nbsp;... setup the crossover in the previous episodes before". The tease was meant to be one of two options for the "Elseworlds" [[cold open]]ing. The writers could not choose which opening they would use; Guggenheim said someone decided to "take one cold open, move that and make that the post-credit tag, like the way ''The Flash'' typically does, at the end of all three shows, and then have the other cold open at the beginning of hour one". ''Supergirl'' co-showrunner Robert Rovner said the tease was only supposed to air with ''Flash''{{'}}s "What's Past Is Prologue"; it was added to the other two episodes to make things easier for viewers because they "are coming to [the crossover] from our separate shows and we wanted something that [connects them together]".<ref name="Earth90" />

Stephen Amell announced that, unlike previous Arrowverse crossovers, this one would not be as extravagant, but more about "the characters and the story",<ref name="AmellDigitalSpy" /> focusing on Green Arrow, Flash, [[Kara Danvers (Arrowverse)|Supergirl]], [[Superman]], and Batwoman.<ref name="AmellGreenArrowTV" /> According to Guggenheim, by focusing only on Green Arrow, Flash, and Supergirl, the writers "really had a chance to tell a story about the troika that we've never really been able to do before". ''Legends of Tomorrow'' was not included in "Elseworlds" to highlight the amount of time Amell, [[Grant Gustin]], and [[Melissa Benoist]] could interact. "Elseworlds" returned to the episodic format of the earlier crossovers, contrasting with the approach taken with "Crisis on Earth-X". Rovner said, "It's like a three chapters of one story, but they're all kind of unique to their own show"; ''The Flash'' showrunner Todd Helbing added, "''Flash'' kind of feels like a ''Flash'' episode, ''Arrow'' feels like an ''Arrow'' episode, [and] ''Supergirl'' feels like a ''Supergirl'' episode".<ref name="EWRevealNov2018" />

"Elseworlds" features Amell and Gustin portraying each other's characters. Gustin noted, "You're not going to see me playing Oliver Queen's mannerisms, or Stephen playing Barry's mannerisms. It's more being aware that for some reason we've switched lives and destinies. It's more the fun of the situational comedy that we keep finding ourselves in, and less us having a complete role reversal." Amell added, "there are elements of his personality I have to embrace, and there are elements of my personality that he has to embrace" for Oliver and Barry to defeat the threat. Supergirl is the only other character who can see the true identities of Barry and Oliver; Benoist said, "She inevitably becomes kind of a middleman because ultimately there's conflict between the two and they start butting heads".<ref name="EWRevealNov2018" /> Schwartz said "Elseworlds" would not "feel quite as dark" as "Crisis on Earth-X" and that there was "a lot more fun to be had" in "Elseworlds".<ref name="EWBlackSupermanSuit" /> Other reality changes in the episodes include Barry and Oliver becoming wanted criminals known as the Trigger Twins.<ref name="VarietyEp3Recap" />

Including Superman, who Berlanti had permission to use before March 2018, in the crossover helped justify introducing Lois Lane to the Arrowverse because she was a character the writer of ''Supergirl'' always wanted to introduce and "she organically fit" into the crossover story. With Kara "at a crossroads" after the events of "Bunker Hill", Rover said "the journey that she's on is kind of helped by Clark, who is returning from Argo [City] kind of on his own journey".<ref name="EWSupermanLoisPhoto" /> Hoechlin also portrays John Deegan when he rewrites himself to be an antagonistic version of Superman.<ref name="TVInsiderNov2018" /><ref name="DoctorDestiny" /> Gotham City in the crossover is considered "a failed city"; Batman "has been missing for several years", resulting in an increase in crime. Speaking of their adaptation of Gotham City, Dries called the city "not a happy place", "grimy", and "scary", adding, "Some people are thriving in [Batman's] absence because now they can start to do their own thing without the oversight. A lot of other people are suffering and they're losing hope, and the city itself and infrastructure is falling apart". Guggenheim called it "a dead city" and "practically a ghost town". While Batman is not seen in the crossover, the characters debate his existence; Oliver feels he is a myth and Barry believes he is real.<ref name="EWGotham" /> Chronologically, Batwoman's appearance fits around "Who Are You", the fourth episode of ''Batwoman''{{'}}s first season that aired in October 2019, with Dries noting ''Batwoman'' would be "officially caught up" to "Elseworlds" at the conclusion of that episode.<ref name="BatwomanChronology" />

"Elseworlds" includes many [[easter eggs]] and nods to past DC television series and media.<ref name="DenofGeekEasterEggs" /> The line spoken by Psycho Pirate at the end of the crossover—"worlds will live, worlds will die, and the universe will never be the same"—paraphrases the tagline DC Comics used to advertise ''Crisis on Infinite Earths'' in the run-up to its launch in 1985.<ref name="DenofGeekTagline" />

=== Casting ===
In early August, [[Ruby Rose]] was cast as Batwoman for the crossover and potential series.<ref name="RoseCast" /> The producers noted Rose's passion in her audition and her "aura of cool, nonchalant, somewhat aloof, mixed with charming and thoughtful and funny that it just kind of all made sense for her to be Kate", according to Dries.<ref name="FirstBatwomanPhotoEW" /> Later that month, it was revealed that [[Tyler Hoechlin]] would reprise his role as [[Superman (Arrowverse)|Kal-El / Clark Kent / Superman]] in all three episodes and that the producers were planning to introduced [[Lois Lane (Arrowverse)|Lois Lane]] in the crossover.<ref name="Hoechlin" /> By mid-September, [[Bitsie Tulloch|Elizabeth Tulloch]] was cast as Lois Lane,<ref name="Tulloch" /> Stephen Amell's wife [[Cassandra Jean Amell]] was cast to portray [[Nora Fries (Arrowverse)|Nora Fries]],<ref name="CassandraAmell" /> [[Jeremy Davies]] had been cast as antagonist [[John Deegan (Arrowverse)|John Deegan]],<ref name="Davies" /><ref name="DoctorDestiny" /> and [[LaMonica Garrett]] was cast in the "prominent role" of [[Monitor (Arrowverse)|Mar Novu / Monitor]].<ref name="ElseworldsTitle" /> During filming in late October 2018, it was revealed that [[John Wesley Shipp]], who has portrayed Henry Allen and [[Jay Garrick (Arrowverse)|Jay Garrick]] in the Arrowverse, would be reprising his role as Barry Allen / Flash from the 1990 television series.<ref name="Shipp90sFlash" /> By the end of filming in early November, [[Bob Frazer]] was cast as [[Roger Hayden (Arrowverse)|Roger Hayden / Psycho Pirate]].<ref name="Frazer" />

=== Design ===
In "Elseworlds", Hoechlin wears an all-black Superman suit while portraying John Deegan's antagonistic version of the character.<ref name="TVInsiderNov2018" /><ref name="DoctorDestiny" /> This costume is similar to the one he wears in the comics after returning from the dead as part of the "[[The Death of Superman|Death of Superman]]" crossover.<ref name="EWBlackSupermanSuit" /> Shipp's Flash costume from the 1990s series was recreated by ''The Flash'' costume designer Kate Main,<ref name="ShippFlashSuit" /> using the original costume as a reference.<ref name="OriginalShippFlashSuit" /> [[Justin Hartley]]'s [[Green Arrow (Smallville)|Green Arrow]] costume from ''Smallville'' is seen in the opening on Earth-90. Guggenheim received permission from the [[Warner Bros.]] archives to include it, but had stipulations that it could not be worn by anyone and could not get dirty. He said, "we put it on a dummy, so thereby we satisfied that loophole, and as far as not getting it dirty, hopefully whoever at archives provided it to us never actually saw that episode."<ref name="HartleySuit" />

=== Filming ===
Filming for ''Elseworlds'' began on October 9, 2018.<ref name="FilmingStart" /> On October 17, filming for the Kent family farm occurred at the farmhouse used in the series ''[[Smallville]]''.<ref name="SmallvilleFarm" /><ref name="EWSupermanLoisPhoto" /> The ''Supergirl'' writers pitched the ''Smallville'' farm as the meeting point for Kara and Clark because, considering the characters' experiences at the start of the crossover, it was an "organic place for them to meet".<ref name="EWSupermanLoisPhoto" /> A "derelict mental health facility" in Vancouver was used for the Arkham Asylum scenes.<ref name="FirstBatwomanPhotoEW" /> Scenes of Gotham City and [[Wayne Enterprises]] were filmed in [[Chicago, Illinois]].<ref name="ChicagoFilming" /> Filming concluded on November 3.<ref name="FilmingEnds" /> [[Kevin Tancharoen]] directed ''The Flash'' episode,<ref name="SynopsisCredits" /> [[James Bamford (stunt coordinator)|James Bamford]] served as director for the ''Arrow'' episode,<ref name="FirstBatwomanPhotoEW" /><ref name="SynopsisCredits" /> and [[Jesse Warn]] directed ''Supergirl''{{'}}s episode.<ref name="SynopsisCredits" />

=== Music ===
In scenes featuring the Earth-90 Flash, [[Danny Elfman]]'s 1990s ''Flash'' series theme is used, while the theme song from ''Smallville'', "[[Save Me (Remy Zero song)|Save Me]]" by [[Remy Zero]], is used when Smallville on Earth-38 is first revealed.<ref name="DenofGeekEasterEggs" />

== Marketing ==
The first teasers for the crossover aired on November 12 and 13, 2018, during episodes of ''Arrow'' and ''The Flash'', respectively.<ref name="FirstTeasers" /> On November 16, [[DC Comics]] released a poster for the event in the style of a comics cover, drawn by [[Amy Reeder]].<ref name="ComicsPoster" /> An additional teaser for the first episode aired during the November 18 episode of ''Supergirl''<ref name="Part1Promo" /> and a week later, the official trailer was released.<ref name="FirstTrailer" />

== Release ==
=== Broadcast ===
The crossover began with ''The Flash'' on December 9, 2018, continued on ''Arrow'' on December 10, and concluded on ''Supergirl'' on December 11, all on The CW. ''The Flash'', which normally airs on Tuesdays at 8&nbsp;pm, and ''Supergirl'', which normally airs on Sundays at 8&nbsp;pm, swapped time-slots for the crossover.<ref name="BroadcastDates" />

=== Home media ===
The three episodes were released together on a separate DVD on August 26, 2019, in [[DVD region code#2|Region 2]].<ref name="ElseworldsDVD-UK" />

== Reception ==
=== Ratings ===
{{Television episode ratings
| caption=Ratings for episodes of "Elseworlds"
| show_series = y
| series1     = The Flash
| date1       = December 9, 2018
| rs1         = 0.7/3
| viewers1    = 1.83<ref name="FlashRatings">{{Cite web |last=Welch |first=Alex |date=December 11, 2018 |title='The Flash' and 'Sunday Night Football' adjust up, 'Football Night in America' adjusts down: Sunday final ratings |url=https://tvbythenumbers.zap2it.com/daily-ratings/sunday-final-ratings-dec-9-2018/ |url-status=dead |archive-url=https://web.archive.org/web/20181211230850/https://tvbythenumbers.zap2it.com/daily-ratings/sunday-final-ratings-dec-9-2018/ |archive-date=December 11, 2018 |access-date=December 11, 2018 |website=[[TV by the Numbers]]}}</ref>
| dvr1        = 0.7
| dvrv1       = 1.68
| total1      = 1.4
| totalv1     = 3.51<ref>{{Cite web |last=Pucci |first=Douglas |date=December 19, 2018 |title=Live+7 Weekly Ratings: Fall Finales of 'The Big Bang Theory' and 'The Good Doctor' Lead All Telecasts in Overall Gains |url=https://programminginsider.com/live7-weekly-ratings-fall-finales-of-the-big-bang-theory-and-the-good-doctor-lead-all-telecasts-in-overall-gains/ |url-status=live |archive-url=https://web.archive.org/web/20190207050825/https://programminginsider.com/live7-weekly-ratings-fall-finales-of-the-big-bang-theory-and-the-good-doctor-lead-all-telecasts-in-overall-gains/ |archive-date=February 7, 2019 |access-date=December 19, 2018 |website=Programming Insider}}</ref>

| series2     = Arrow
| date2       = December 10, 2018
| rs2         = 0.8/3
| viewers2    = 2.06<ref name="ArrowRatings">{{Cite web |last=Welch |first=Alex |date=December 11, 2018 |title='Arrow' adjusts up, 'Magnum P.I.' and 'The Neighborhood' adjust down: Monday final ratings |url=https://tvbythenumbers.zap2it.com/daily-ratings/monday-final-ratings-dec-10-2018/ |url-status=dead |archive-url=https://web.archive.org/web/20181212083810/https://tvbythenumbers.zap2it.com/daily-ratings/monday-final-ratings-dec-10-2018/ |archive-date=December 12, 2018 |access-date=December 11, 2018 |website=[[TV by the Numbers]]}}</ref>
| dvr2        = 0.5
| dvrv2       = 1.40
| total2      = 1.3
| totalv2     = 3.46<ref name="ArrowSupergirlDVR">{{Cite web |last=Pucci |first=Douglas |date=December 26, 2018 |title=Live+7 Weekly Ratings: ABC's 'Modern Family' and 'A Million Little Things' Lead in Raw Adults 18-49 Gains |url=https://programminginsider.com/live7-weekly-ratings-abcs-modern-family-and-a-million-little-things-lead-in-raw-adults-18-49-gains/ |url-status=live |archive-url=https://web.archive.org/web/20181227092021/https://programminginsider.com/live7-weekly-ratings-abcs-modern-family-and-a-million-little-things-lead-in-raw-adults-18-49-gains/ |archive-date=December 27, 2018 |access-date=December 26, 2018 |website=Programming Insider}}</ref>

| series3     = Supergirl
| date3       = December 11, 2018
| rs3         = 0.8/3
| viewers3    = 2.17<ref name="SupergirlRatings">{{Cite web |last=Welch |first=Alex |date=December 12, 2018 |title='Supergirl' and 'The Rookie' adjust up: Tuesday final ratings |url=https://tvbythenumbers.zap2it.com/daily-ratings/tuesday-final-ratings-dec-11-2018/ |url-status=dead |archive-url=https://web.archive.org/web/20181213022632/https://tvbythenumbers.zap2it.com/daily-ratings/tuesday-final-ratings-dec-11-2018/ |archive-date=December 13, 2018 |access-date=December 12, 2018 |website=[[TV by the Numbers]]}}</ref>
| dvr3        = 0.5
| dvrv3       = 1.36
| total3      = 1.3
| totalv3     = 3.53<ref name="ArrowSupergirlDVR" />
}}

=== Critical response ===

==== ''The Flash'' ====
The [[review aggregator]] website [[Rotten Tomatoes]] reported a 100% approval rating, based on 14 reviews for the episode. The website's critical consensus reads, "With disorienting body swaps, confusingly altered realities, and an awesome Superman-Supergirl team-up, there is a lot to love in this joy-filled Arrowverse crossover episode of ''The Flash''".<ref name="FlashRT2">{{Cite web |title=The Flash&nbsp;– Season 5, Episode 9 |url=https://www.rottentomatoes.com/tv/flash/s05/e09 |url-status=live |archive-url=https://web.archive.org/web/20181215232757/https://www.rottentomatoes.com/tv/flash/s05/e09 |archive-date=December 15, 2018 |access-date=December 15, 2018 |website=[[Rotten Tomatoes]] |publisher=[[Fandango (company)|Fandango]]}}</ref> [[IGN]] rated ''The Flash'' episode 8.0/10. The verdict reads, "The body-swap premise at the center of the episode made the kickoff to the crossover a delight, though not without its flaws. Fortunately the charm of Barry and Oliver being forced to live each others' lives overshadowed the other shortcomings of the episode."<ref>{{Cite web |date=December 9, 2018 |title=The Flash: "Elseworlds, Part 1" Crossover Review |url=https://www.ign.com/articles/2018/12/10/the-flash-season-5-episode-9-elseworlds-part-1-review |url-status=live |archive-url=https://web.archive.org/web/20181210101249/https://www.ign.com/articles/2018/12/10/the-flash-season-5-episode-9-elseworlds-part-1-review |archive-date=December 10, 2018 |access-date=March 11, 2019 |website=IGN}}</ref>

==== ''Arrow'' ====
Rotten Tomatoes reported a 100% approval rating, based on 14 reviews for the episode. The website's critical consensus reads, "'Elseworlds, Part 2' is a riotous continuation of this body-switching Arrowverse arc, successfully exploiting the chemistry between the television universe's ensemble and slickly introducing [[Ruby Rose]] as [[Batwoman]]".<ref name="ArrowRT2">{{Cite web |title=Arrow&nbsp;– Season 7, Episode 9 |url=https://www.rottentomatoes.com/tv/arrow/s07/e09 |url-status=live |archive-url=https://web.archive.org/web/20181215232748/https://www.rottentomatoes.com/tv/arrow/s07/e09 |archive-date=December 15, 2018 |access-date=December 15, 2018 |website=[[Rotten Tomatoes]] |publisher=[[Fandango (company)|Fandango]]}}</ref> ''[[IGN]]'' rated ''Arrow''{{'}}s episode 8.5/10. The verdict reads, "[Part 2] not only manages to continue the momentum (and hilarity) of the previous episode, it also confidently introduces two elements that could have lasting effects on the Arrowverse as a whole -- [[Batwoman]], and the promise of a potential [[Crisis on Infinite Earths|Crisis (on Infinite Earths?)]]. Fueled by the easy chemistry of Grant Gustin, Stephen Amell, and Melissa Benoist, [this] is one of the most enjoyable episodes from any of the shows in recent years."<ref>{{Cite web |date=December 10, 2018 |title=Arrow: "Elseworlds, Part 2" Crossover Review |url=https://www.ign.com/articles/2018/12/11/arrow-season-7-episode-9-elseworlds-part-2-review |url-status=live |archive-url=https://web.archive.org/web/20181212124654/https://www.ign.com/articles/2018/12/11/arrow-season-7-episode-9-elseworlds-part-2-review |archive-date=December 12, 2018 |access-date=March 11, 2019 |website=IGN}}</ref>

==== ''Supergirl'' ====
Rotten Tomatoes reported a 93% approval rating, based on 14 reviews for the episodes. The website's critical consensus reads, "'Elseworlds, Part 3' wraps up the crossover fun in style, tying up enough loose ends to satisfy while providing a few unexpected twists to keep fans on their toes".<ref name="SupergirlRT2">{{Cite web |title=Supergirl&nbsp;– Season 4, Episode 9 |url=https://www.rottentomatoes.com/tv/supergirl/s04/e09 |url-status=live |archive-url=https://web.archive.org/web/20181215232632/https://www.rottentomatoes.com/tv/supergirl/s04/e09 |archive-date=December 15, 2018 |access-date=December 15, 2018 |website=[[Rotten Tomatoes]] |publisher=[[Fandango (company)|Fandango]]}}</ref> ''[[IGN]]'' rated the ''Supergirl'' episode 8.7/10.  The verdict reads, "If not the outright best of the Arrowverse crossovers, Elseworlds finds the most success in blending epic superhero spectacle with strong characterization and personal stakes. [this episode] wraps up the crossover with plenty of both, capping off a particularly strong character arc for Oliver Queen and making terrific use of Tyler Hoechlin's Superman. And despite all the emphasis on an even bigger conflict to come, [this episode] wraps up its own threads on a satisfying note."<ref>{{Cite web |date=December 11, 2018 |title=Supergirl Season 4, Episode 9: "Elseworlds, Part 3" Review |url=https://www.ign.com/articles/2018/12/12/supergirl-season-4-episode-9-elseworlds-part-3-review |url-status=live |archive-url=https://web.archive.org/web/20190520102544/https://www.ign.com/articles/2018/12/12/supergirl-season-4-episode-9-elseworlds-part-3-review |archive-date=May 20, 2019 |access-date=March 11, 2019 |website=IGN}}</ref>

== References ==
{{Reflist|refs=

<ref name="Batwoman">{{Cite web |last=Goldberg |first=Lesley |date=May 17, 2018 |title=Batwoman to Make in 'Arrow'-verse Debut in Next Crossover |url=https://www.hollywoodreporter.com/tv/tv-news/batwoman-make-arrow-verse-debut-next-crossover-1112799/ |url-status=live |archive-url=https://web.archive.org/web/20220113134018/https://www.hollywoodreporter.com/tv/tv-news/batwoman-make-arrow-verse-debut-next-crossover-1112799/ |archive-date=January 13, 2022 |access-date=March 24, 2022 |website=[[The Hollywood Reporter]]}}</ref>

<ref name="BatwomanSeries">{{Cite magazine |last=Agard |first=Chancellor |date=July 17, 2018 |title=Batwoman series from Greg Berlanti in development at The CW |url=http://ew.com/tv/2018/07/17/batwoman-series-greg-berlanti-development-cw/ |url-status=live |archive-url=https://web.archive.org/web/20180717154216/http://ew.com/tv/2018/07/17/batwoman-series-greg-berlanti-development-cw/ |archive-date=July 17, 2018 |access-date=July 17, 2018 |magazine=[[Entertainment Weekly]]}}</ref>

<ref name="BatwomanSeriesDeadline">{{Cite web |last=Andreeva |first=Nellie |date=July 17, 2018 |title=Batwoman TV Series in Works at the CW With Groundbreaking Lesbian Superhero Lead From Caroline Dries & Greg Berlanti |url=https://deadline.com/2018/07/batwoman-tv-series-i-the-cw-lesbian-superhero-lead-caroline-dries-greg-berlanti-1202427678/ |url-status=live |archive-url=https://web.archive.org/web/20220103020338/https://deadline.com/2018/07/batwoman-tv-series-i-the-cw-lesbian-superhero-lead-caroline-dries-greg-berlanti-1202427678/ |archive-date=January 3, 2022 |access-date=March 24, 2022 |website=[[Deadline Hollywood]]}}</ref>

<ref name="LegendsNoReason">{{Cite web |last=Jeffery |first=Morgan |date=July 22, 2018 |title=Here's why Legends of Tomorrow won't be part of the next ArrowVerse crossover |url=https://www.digitalspy.com/tv/ustv/a862149/legends-of-tomorrow-season-4-dc-crossover-batwoman/ |url-status=live |archive-url=https://web.archive.org/web/20220129140147/https://www.digitalspy.com/tv/ustv/a862149/legends-of-tomorrow-season-4-dc-crossover-batwoman/ |archive-date=January 29, 2022 |access-date=March 24, 2022 |website=[[Digital Spy]]}}</ref>

<ref name="RoseCast">{{Cite web |last=Goldberg |first=Lesley |date=August 7, 2018 |title=Ruby Rose to Play Lesbian Superhero Batwoman for The CW |url=https://www.hollywoodreporter.com/tv/tv-news/ruby-rose-play-lesbian-superhero-batwoman-cw-1132599/ |url-status=live |archive-url=https://web.archive.org/web/20220122162414/https://www.hollywoodreporter.com/tv/tv-news/ruby-rose-play-lesbian-superhero-batwoman-cw-1132599/ |archive-date=January 22, 2022 |access-date=March 24, 2022 |website=[[The Hollywood Reporter]]}}</ref>

<ref name="BroadcastDates">{{Cite web |last=Mitovich |first=Matt Webb |date=August 21, 2018 |title=Arrowverse's 3-Night Crossover Featuring Batwoman: When Will It Air? |url=https://tvline.com/2018/08/21/arrowverse-crossover-arrow-flash-supergirl-batwoman-december-2018/ |url-status=live |archive-url=https://web.archive.org/web/20180821223246/https://tvline.com/2018/08/21/arrowverse-crossover-arrow-flash-supergirl-batwoman-december-2018/ |archive-date=August 21, 2018 |access-date=August 21, 2018 |website=[[TVLine]]}}</ref>

<ref name="Hoechlin">{{Cite web |last=Goldberg |first=Lesley |date=August 22, 2018 |title=Superman and Lois Lane Join The CW's DC Crossover Event |url=https://www.hollywoodreporter.com/tv/tv-news/superman-lois-lane-join-cws-dc-crossover-event-1136745/ |url-status=live |archive-url=https://web.archive.org/web/20220302053108/https://www.hollywoodreporter.com/tv/tv-news/superman-lois-lane-join-cws-dc-crossover-event-1136745/ |archive-date=March 2, 2022 |access-date=March 24, 2022 |website=[[The Hollywood Reporter]]}}</ref>

<ref name="Tulloch">{{Cite magazine |last=Agard |first=Chancellor |date=September 14, 2018 |title=Arrowverse crossover casts ''Grimm'' alum as Lois Lane |url=https://ew.com/tv/2018/09/14/arrowverse-crossover-lois-lane-elizabeth-tulloch/ |url-status=live |archive-url=https://web.archive.org/web/20180914181923/https://ew.com/tv/2018/09/14/arrowverse-crossover-lois-lane-elizabeth-tulloch/ |archive-date=September 14, 2018 |access-date=September 14, 2018 |magazine=[[Entertainment Weekly]]}}</ref>

<ref name="CassandraAmell">{{Cite web |last=Gelman |first=Vlada |date=September 14, 2018 |title=Cassandra Jean Amell Joins Arrowverse Crossover as Mr. Freeze's Wife |url=https://tvline.com/2018/09/14/arrowverse-crossover-cassandra-jean-amell-cast-mr-freeze-wife-nora/ |url-status=live |archive-url=https://web.archive.org/web/20180915043239/https://tvline.com/2018/09/14/arrowverse-crossover-cassandra-jean-amell-cast-mr-freeze-wife-nora/ |archive-date=September 15, 2018 |access-date=September 15, 2018 |website=[[TVLine]]}}</ref>

<ref name="AmellDigitalSpy">{{Cite web |last=Jeffrey |first=Morgan |date=August 15, 2018 |title=Arrow star: Next DC TV crossover "more about character" |url=https://www.digitalspy.com/tv/ustv/a864026/arrow-supergirl-dc-tv-crossover-batwoman/ |url-status=live |archive-url=https://web.archive.org/web/20210614085155/https://www.digitalspy.com/tv/ustv/a864026/arrow-supergirl-dc-tv-crossover-batwoman/ |archive-date=June 14, 2021 |access-date=March 24, 2022 |website=[[Digital Spy]]}}</ref>

<ref name="Davies">{{Cite web |last=Goldberg |first=Lesley |date=September 20, 2018 |title=The CW's DC Crossover Finds Its Villain in 'Lost' Alum |url=https://www.hollywoodreporter.com/tv/tv-news/cws-dc-crossover-finds-villain-lost-alum-1145815/ |url-status=live |archive-url=https://web.archive.org/web/20180920200255/https://www.hollywoodreporter.com/live-feed/cws-dc-crossover-finds-villain-lost-alum-1145815 |archive-date=September 20, 2018 |access-date=March 24, 2022 |website=[[The Hollywood Reporter]]}}</ref>

<ref name="ElseworldsTitle">{{Cite web |last=Mitovitch |first=Matt Webb |date=September 26, 2018 |title=Arrowverse Crossover Theme Is 'Elseworlds,' Casts Multiverse Observer |url=https://tvline.com/2018/09/26/arrowverse-crossover-elseworlds-theme-batwoman-gotham/ |url-status=live |archive-url=https://web.archive.org/web/20220205192610/https://tvline.com/2018/09/26/arrowverse-crossover-elseworlds-theme-batwoman-gotham/ |archive-date=February 5, 2022 |access-date=March 24, 2022 |website=[[TVLine]]}}</ref>

<ref name="Scripts">{{Cite tweet |number=1040689476387794944 |user=mguggenheim |title=Your first look at this year's Arrowverse crossover... @GBerlanti @carolinedries @chipeyt |first=Marc |last=Guggenheim |date=September 14, 2018 |access-date=September 27, 2018 |archive-url=https://archive.today/20180927173856/https://twitter.com/mguggenheim/status/1040689476387794944 |archive-date=September 27, 2018 |url-status=live}}</ref>

<ref name="FilmingStart">{{Cite web |last=Brown |first=Tracy |date=October 9, 2018 |title=Get a first look at Ruby Rose as Batwoman |url=http://www.latimes.com/entertainment/herocomplex/la-et-hc-batwoman-first-look-20181009-story.html |url-status=live |archive-url=https://web.archive.org/web/20211021233244/https://www.latimes.com/entertainment/herocomplex/la-et-hc-batwoman-first-look-20181009-story.html |archive-date=October 21, 2021 |access-date=March 24, 2022 |website=[[Los Angeles Times]]}}</ref>

<ref name="LegendsOwnCrossover">{{Cite web |last=Mitovitch |first=Matt Webb |last2=Gelman |first2=Vlada |date=October 14, 2018 |title=Legends of Tomorrow Has Its Own 'Crossover' Plan for Crossover Week |url=https://tvline.com/2018/10/14/legends-of-tomorrow-season-4-crossover-episode-no-batwoman/ |url-status=live |archive-url=https://web.archive.org/web/20181018122422/https://tvline.com/2018/10/14/legends-of-tomorrow-season-4-crossover-episode-no-batwoman/ |archive-date=October 18, 2018 |access-date=October 17, 2018 |website=[[TVLine]]}}</ref>

<ref name="EWBlackSupermanSuit">{{Cite magazine |last=Agard |first=Chancellor |date=October 15, 2018 |title=Arrow boss teases lighter crossover as Stephen Amell shares BTS photo of Superman |url=https://ew.com/tv/2018/10/15/arrow-crossover-superman-photo-elseworlds/ |url-status=live |archive-url=https://web.archive.org/web/20201212141334/https://ew.com/tv/2018/10/15/arrow-crossover-superman-photo-elseworlds/ |archive-date=December 12, 2020 |access-date=March 24, 2022 |magazine=[[Entertainment Weekly]]}}</ref>

<ref name="Shipp90sFlash">{{Cite web |last=Mancuso |first=Vinnie |date=October 22, 2018 |title=New 'Elseworlds' Image Sees John Wesley Shipp Getting in on the Arrowverse Crossover Madness |url=http://collider.com/elseworlds-image-john-wesley-shipp/ |url-status=live |archive-url=https://web.archive.org/web/20220212073024/https://collider.com/elseworlds-image-john-wesley-shipp/ |archive-date=February 12, 2022 |access-date=March 24, 2022 |website=[[Collider (website)|Collider]]}}</ref>

<ref name="SmallvilleFarm">{{Cite web |last=Cardona |first=Ian |date=October 18, 2018 |title=Arrowverse: Elseworlds Features An Unexpected Smallville Connection |url=https://www.cbr.com/arrowverse-elseworlds-smallville-kent-farm/ |url-status=live |archive-url=https://web.archive.org/web/20210130173839/https://www.cbr.com/arrowverse-elseworlds-smallville-kent-farm/ |archive-date=January 30, 2021 |access-date=March 24, 2022 |website=[[Comic Book Resources]]}}</ref>

<ref name="ShippFlashSuit">{{Cite tweet |number=1054528168558653440 |user=mguggenheim |title=Kudos to Flash costume designer Kate Main for pulling off this miracle. |first=Marc |last=Guggenheim |date=October 22, 2018 |access-date=October 23, 2018 |archive-url=https://archive.today/20181023181448/https://twitter.com/mguggenheim/status/1054528168558653440 |archive-date=October 23, 2018 |url-status=live}}</ref>

<ref name="OriginalShippFlashSuit">{{Cite web |last=Shipp, John Wesley [@johnwesleyshippjr] |date=October 24, 2018 |title=I'm being asked if I wore the original suit in recent pics, well here it is, sent from the @warnerbrosentertainment vault as reference. Crispy! To be handled with surgical gloves only 😬⚡️ @cwtheflash #TheFlash #flash90 |url=https://www.instagram.com/p/BpU_ggIHoI2 |url-access=registration |archive-url=https://ghostarchive.org/iarchive/s/instagram/BpU_ggIHoI2 |archive-date=December 26, 2021 |access-date=October 25, 2018 |type=Photo |via=[[Instagram]]}}{{cbignore}}</ref>

<ref name="AmellGreenArrowTV">{{Cite web |last=Byrne |first=Craig |date=October 10, 2018 |title=Interview: Stephen Amell Previews Arrow Season 7 |url=http://www.greenarrowtv.com/interview-stephen-amell-previews-arrow-season-7/ |url-status=live |archive-url=https://web.archive.org/web/20181013065534/http://www.greenarrowtv.com/interview-stephen-amell-previews-arrow-season-7/ |archive-date=October 13, 2018 |access-date=November 1, 2018 |publisher=GreenArrowTV}}</ref>

<ref name="ChicagoFilming">{{Cite web |last=Cardona |first=Ian |date=November 2, 2018 |title=Arrowverse Crossover Heads to Chicago For Gotham City Scenes |url=https://www.cbr.com/arrowverse-crossover-chicago-gotham-city/ |url-status=live |archive-url=https://web.archive.org/web/20181104045749/https://www.cbr.com/arrowverse-crossover-chicago-gotham-city/ |archive-date=November 4, 2018 |access-date=November 4, 2018 |website=[[Comic Book Resources]] |df=mdy-all}}</ref>

<ref name="Frazer">{{Cite magazine |last=Agard |first=Chancellor |date=November 2, 2018 |title=Arrowverse 'Elseworlds' crossover to feature DC villain Psycho-Pirate |url=https://ew.com/tv/2018/11/02/arrowverse-elseworlds-crossover-psycho-pirate/ |url-status=live |archive-url=https://web.archive.org/web/20181102211618/https://ew.com/tv/2018/11/02/arrowverse-elseworlds-crossover-psycho-pirate/ |archive-date=November 2, 2018 |access-date=November 2, 2018 |magazine=[[Entertainment Weekly]]}}</ref>

<ref name="FilmingEnds">{{Cite web |last=Drum |first=Nicole |date=November 3, 2018 |title=Stephen Amell Wraps Filming on Arrowverse "Elseworlds" Crossover |url=https://comicbook.com/dc/news/elseworlds-crossover-stephen-amell-arrow-wraps-filming/ |url-status=live |archive-url=https://web.archive.org/web/20210302060258/https://comicbook.com/dc/news/elseworlds-crossover-stephen-amell-arrow-wraps-filming/ |archive-date=March 2, 2021 |access-date=March 24, 2022 |website=ComicBook.com}}</ref>

<ref name="FirstTeasers">{{Cite magazine |last=Agard |first=Chancellor |date=November 13, 2018 |title=Watch Barry and Oliver swap lives in new Arrowverse crossover promos |url=https://ew.com/tv/2018/11/12/oliver-barry-allen-kisses-iris-in-new-arrowverse-crossover-teaser/ |url-status=live |archive-url=https://web.archive.org/web/20181117013421/https://ew.com/tv/2018/11/12/oliver-barry-allen-kisses-iris-in-new-arrowverse-crossover-teaser/ |archive-date=November 17, 2018 |access-date=November 16, 2018 |magazine=[[Entertainment Weekly]] |df=mdy-all}}</ref>

<ref name="FirstBatwomanPhotoEW">{{Cite magazine |last=Agard |first=Chancellor |date=November 15, 2018 |title=Batwoman foils a prison break in badass new Arrowverse crossover image |url=https://ew.com/tv/2018/11/15/ruby-rose-batwoman-elseworlds-crossover-photo |url-status=live |archive-url=https://web.archive.org/web/20211214125927/https://ew.com/tv/2018/11/15/ruby-rose-batwoman-elseworlds-crossover-photo/ |archive-date=December 14, 2021 |access-date=March 24, 2022 |magazine=[[Entertainment Weekly]] |df=mdy-all}}</ref>

<ref name="EWRevealNov2018">{{Cite magazine |last=Agard |first=Chancellor |date=November 15, 2018 |title=Arrowverse stars reveal details about the Trinity-centric 'Elseworlds' crossover |url=https://ew.com/tv/2018/11/15/arrowverse-stars-reveal-details-about-the-trinity-centric-elseworlds-crossover/ |url-status=live |archive-url=https://web.archive.org/web/20181116061655/https://ew.com/tv/2018/11/15/arrowverse-stars-reveal-details-about-the-trinity-centric-elseworlds-crossover/ |archive-date=November 16, 2018 |access-date=November 16, 2018 |magazine=[[Entertainment Weekly]] |df=mdy-all}}</ref>

<ref name="EWSupermanLoisPhoto">{{Cite magazine |last=Agard |first=Chancellor |date=November 16, 2018 |title=See Superman and Lois Lane on the Kent Farm in new Arrowverse crossover photo |url=https://ew.com/tv/2018/11/16/superman-lois-lane-kent-farm-arrowverse-crossover-photo/ |url-status=live |archive-url=https://web.archive.org/web/20181117024952/https://ew.com/tv/2018/11/16/superman-lois-lane-kent-farm-arrowverse-crossover-photo/ |archive-date=November 17, 2018 |access-date=November 16, 2018 |magazine=[[Entertainment Weekly]] |df=mdy-all}}</ref>

<ref name="Part1Promo">{{Cite magazine |last=Agard |first=Chancellor |date=November 18, 2018 |title=New Arrowverse crossover promo shows Kara imprisoned in the pipeline |url=https://ew.com/tv/2018/11/18/new-arrowverse-crossover-promo-shows-kara-imprisoned-pipeline/ |url-status=live |archive-url=https://web.archive.org/web/20181119165142/https://ew.com/tv/2018/11/18/new-arrowverse-crossover-promo-shows-kara-imprisoned-pipeline/ |archive-date=November 19, 2018 |access-date=November 19, 2018 |magazine=[[Entertainment Weekly]]}}</ref>

<ref name="EWGotham">{{Cite magazine |last=Agard |first=Chancellor |date=November 19, 2018 |title=Here's how the Arrowverse's 'Elseworlds' crossover will address Batman's absence |url=https://ew.com/tv/2018/11/19/arrowverse-elseworlds-crossover-batman-absence/ |url-status=live |archive-url=https://web.archive.org/web/20181120005402/https://ew.com/tv/2018/11/19/arrowverse-elseworlds-crossover-batman-absence/ |archive-date=November 20, 2018 |access-date=November 19, 2018 |magazine=[[Entertainment Weekly]]}}</ref>

<ref name="TVInsiderNov2018">{{Cite web |last=Holbrook |first=Damian |date=November 21, 2018 |title=Stephen Amell, Grant Gustin & Melissa Benoist Tease What to Expect in 'Elseworlds' |url=https://www.tvinsider.com/731801/arrowverse-crossover-interview-stephen-amell-grant-gustin-melissa-benoist/ |url-status=live |archive-url=https://web.archive.org/web/20181124232048/https://www.tvinsider.com/731801/arrowverse-crossover-interview-stephen-amell-grant-gustin-melissa-benoist/ |archive-date=November 24, 2018 |access-date=November 24, 2018 |website=[[TV Insider]]}}</ref>

<ref name="ComicsPoster">{{Cite web |last=Melrose |first=Kevin |date=November 16, 2018 |title=Arrowverse's Elseworlds Crossover Debuts Comics-Style Poster |url=https://www.cbr.com/arrowverses-elseworlds-crossover-poster/ |url-status=live |archive-url=https://web.archive.org/web/20210125165218/https://www.cbr.com/arrowverses-elseworlds-crossover-poster/ |archive-date=January 25, 2021 |access-date=March 24, 2022 |website=[[Comic Book Resources]]}}</ref>

<ref name="FirstTrailer">{{Cite web |last=Swift |first=Andy |date=November 25, 2018 |title=Arrowverse Crossover: Superman Goes Dark in Newest 'Elseworlds' Promo |url=https://tvline.com/2018/11/25/arrowverse-crossover-promo-dark-superman-elseworlds-trailer-video/ |url-status=live |archive-url=https://web.archive.org/web/20210303185011/https://tvline.com/2018/11/25/arrowverse-crossover-promo-dark-superman-elseworlds-trailer-video/ |archive-date=March 3, 2021 |access-date=March 24, 2022 |website=[[TVLine]]}}</ref>

<ref name="SynopsisCredits">{{Cite web |last=Cardona |first=Ian |date=November 28, 2018 |title=Elseworlds Crossover Episode Synopses Released by the CW |url=https://www.cbr.com/elseworlds-crossover-episode-synopses/ |url-status=live |archive-url=https://web.archive.org/web/20181128205736/https://www.cbr.com/elseworlds-crossover-episode-synopses/ |archive-date=November 28, 2018 |access-date=November 28, 2018 |website=[[Comic Book Resources]]}}</ref>

<ref name="AcevedoBarrowman">{{Cite web |last=Anderson |first=Jenna |date=November 29, 2018 |title=John Barrowman Returns to the Arrowverse in "Elseworlds" Crossover Photo |url=https://comicbook.com/dc/news/arrowverse-crossover-2018-john-barrowman-return-malcolm-merlyn/ |url-status=live |archive-url=https://web.archive.org/web/20211229095848/https://comicbook.com/dc/news/arrowverse-crossover-2018-john-barrowman-return-malcolm-merlyn/ |archive-date=December 29, 2021 |access-date=March 24, 2022 |publisher=ComicBook}}</ref>

<ref name="Earth90">{{Cite magazine |last=Agard |first=Chancellor |date=December 2, 2018 |title=Supergirl post-credit scene teases the Monitor's plan in 'Elseworlds' crossover |url=https://ew.com/tv/2018/12/02/supergirl-post-credit-scene-elseworlds-crossover/ |url-status=live |archive-url=https://web.archive.org/web/20211004225444/https://ew.com/tv/2018/12/02/supergirl-post-credit-scene-elseworlds-crossover/ |archive-date=October 4, 2021 |access-date=March 24, 2022 |magazine=[[Entertainment Weekly]]}}</ref>

<ref name="CrisisOnInfiniteEarthsCrossover">{{Cite web |last=Mitovich |first=Matt Webb |date=December 11, 2018 |title=Arrowverse Crossover Title for Fall 2019 (!) Is Revealed&nbsp;– And It Is a Doozy |url=https://tvline.com/2018/12/11/arrowverse-crossover-title-2019-crisis-on-infinite-earths/ |url-status=live |archive-url=https://web.archive.org/web/20220211075847/https://tvline.com/2018/12/11/arrowverse-crossover-title-2019-crisis-on-infinite-earths/ |archive-date=February 11, 2022 |access-date=March 24, 2022 |website=[[TVLine]]}}</ref>

<ref name="VarietyEp1Recap">{{Cite web |last=Bryant |first=Jacob |date=December 9, 2018 |title='Elseworlds, Part 1' Recap: Barry Allen and Oliver Queen Swap Skills, Visit Superman |url=https://variety.com/2018/tv/recaps/elseworlds-part-1-recap-the-flash-arrow-superman-lois-lane-kent-farm-1203084954/ |url-status=live |archive-url=https://web.archive.org/web/20220127040340/https://variety.com/2018/tv/recaps/elseworlds-part-1-recap-the-flash-arrow-superman-lois-lane-kent-farm-1203084954/ |archive-date=January 27, 2022 |access-date=March 24, 2022 |website=[[Variety (magazine)|Variety]]}}</ref>

<ref name="VarietyEp2Recap">{{Cite web |last=Bryant |first=Jacob |date=December 10, 2018 |title='Elseworlds, Part 2' Recap: Batwoman's 'Arrowverse' Story Begins |url=https://variety.com/2018/tv/recaps/elseworlds-part-2-recap-arrow-batwoman-gotham-city-1203084958/ |url-status=live |archive-url=https://web.archive.org/web/20220127040146/https://variety.com/2018/tv/recaps/elseworlds-part-2-recap-arrow-batwoman-gotham-city-1203084958/ |archive-date=January 27, 2022 |access-date=March 24, 2022 |website=[[Variety (magazine)|Variety]]}}</ref>

<ref name="VarietyEp3Recap">{{Cite web |last=Bryant |first=Jacob |date=December 11, 2018 |title='Elseworlds, Part 3' Recap: 2019 'Arrowverse' Crossover Theme Revealed |url=https://variety.com/2018/tv/recaps/elseworlds-part-3-recap-supergirl-1203085611/ |url-status=live |archive-url=https://web.archive.org/web/20220108114319/https://variety.com/2018/tv/recaps/elseworlds-part-3-recap-supergirl-1203085611/ |archive-date=January 8, 2022 |access-date=March 24, 2022 |website=[[Variety (magazine)|Variety]]}}</ref>

<ref name="DoctorDestiny">{{Cite web |last=Anderson |first=Jenna |date=December 11, 2018 |title="Elseworlds" Part 3 Gives John Deegan a DC Comics Counterpart |url=https://comicbook.com/dc/news/arrowverse-elseworlds-crossover-2018-john-deegan-doctor-destiny/ |url-status=live |archive-url=https://web.archive.org/web/20210421052920/https://comicbook.com/dc/news/arrowverse-elseworlds-crossover-2018-john-deegan-doctor-destiny/ |archive-date=April 21, 2021 |access-date=March 24, 2022 |publisher=ComicBook}}</ref>

<ref name="Earth1AlexJamesOlsen">{{Cite web |last=Moore |first=Trent |date=December 11, 2018 |title=Final Night of 'Elseworlds' Officially Sets The Stage For Arrowverse's Crisis on Infinite Earths |url=https://www.syfy.com/syfywire/final-night-of-elseworlds-officially-sets-the-stage-for-arrowverses-crisis-on-infinite |url-status=dead |archive-url=https://web.archive.org/web/20210416084313/https://www.syfy.com/syfywire/final-night-of-elseworlds-officially-sets-the-stage-for-arrowverses-crisis-on-infinite |archive-date=April 16, 2021 |access-date=December 12, 2018 |publisher=[[SyFy]]}}</ref>

<ref name="DenofGeekEasterEggs">{{Cite web |last=Dandy |first=Jim |last2=Cecchini |first2=Matt |date=December 11, 2018 |title=Elseworlds: Every DC Easter Egg in the Arrowverse Crossover |url=https://www.denofgeek.com/tv/elseworlds-dc-easter-eggs-arrowverse-crossover/ |url-status=live |archive-url=https://web.archive.org/web/20220108114346/https://www.denofgeek.com/tv/elseworlds-dc-easter-eggs-arrowverse-crossover/ |archive-date=January 8, 2022 |access-date=March 24, 2022 |publisher=Den of Geek}}</ref>

<ref name="DenofGeekTagline">{{Cite web |last=Cecchini |first=Mike |date=December 12, 2018 |title=Elseworlds Ending Explained: What Does it Mean for the Future of the Arrowverse? |url=https://www.denofgeek.com/tv/elseworlds-ending-arrowverse-crossover-crisis-on-infinite-earths/ |url-status=live |archive-url=https://web.archive.org/web/20211011230845/https://www.denofgeek.com/tv/elseworlds-ending-arrowverse-crossover-crisis-on-infinite-earths/ |archive-date=October 11, 2021 |access-date=March 24, 2022 |publisher=Den of Geek}}</ref>

<ref name="IdentityCrisis">{{Cite magazine |last=Agard |first=Chancellor |date=December 12, 2018 |title=The Arrowverse's 'Elseworlds' was almost named after another DC Crisis |url=https://ew.com/tv/2018/12/12/arrowverse-crossover-elseworlds-identity-crisis/ |url-status=live |archive-url=https://web.archive.org/web/20210227110219/https://ew.com/tv/2018/12/12/arrowverse-crossover-elseworlds-identity-crisis/ |archive-date=February 27, 2021 |access-date=March 24, 2022 |magazine=[[Entertainment Weekly]]}}</ref>

<ref name="ElseworldsDVD-UK">{{Cite web |title=Elseworlds: Part 1-3 [DVD] [2019] |url=https://www.amazon.co.uk/Elseworlds-Part-1-3-Grant-Gustin/dp/B07TLMVMJP/ |url-status=live |archive-url=https://web.archive.org/web/20190903020416/https://www.amazon.co.uk/Elseworlds-Part-1-3-Grant-Gustin/dp/B07TLMVMJP/ |archive-date=September 3, 2019 |access-date=September 3, 2019 |website=[[Amazon.co.uk]]}}</ref>

<ref name="BatwomanChronology">{{Cite web |last=Drum |first=Nicole |date=October 29, 2019 |title=Batwoman Has Officially Caught up to Elseworlds |url=https://comicbook.com/dc/news/batwoman-has-now-caught-up-to-elseworlds-the-cw/ |url-status=live |archive-url=https://web.archive.org/web/20191108001954/https://comicbook.com/dc/2019/10/30/batwoman-has-now-caught-up-to-elseworlds-the-cw/ |archive-date=November 8, 2019 |access-date=March 24, 2022 |website=ComicBook}}</ref>

<ref name="EWCrossovers2019">{{Cite magazine |last=Agard |first=Chancellor |date=December 2, 2019 |title=From Arrow to 'Crisis': Inside the evolution of the Arrowverse and its crossovers |url=https://ew.com/tv/2019/12/02/arrowverse-crisis-on-infinite-earths-crossovers-history/ |url-status=live |archive-url=https://web.archive.org/web/20191202171200/https://ew.com/tv/2019/12/02/arrowverse-crisis-on-infinite-earths-crossovers-history/ |archive-date=December 2, 2019 |access-date=December 2, 2019 |magazine=[[Entertainment Weekly]]}}</ref>

<ref name="HartleySuit">{{Cite web |last=Gelman |first=Samuel |date=March 26, 2020 |title=Arrow Co-Creator Tried to Recruit Smallville's Justin Hartley 'For Years' |url=https://www.cbr.com/arrow-co-creator-smallville-justin-hartley/ |url-status=live |archive-url=https://web.archive.org/web/20200327142013/https://www.cbr.com/arrow-co-creator-smallville-justin-hartley/ |archive-date=March 27, 2020 |access-date=March 28, 2020 |website=[[Comic Book Resources]]}}</ref>

}}

== External links ==
{{Wikiquote|Elseworlds (Arrowverse)}}
* {{IMDb episode|8312896|Elseworlds, Part 1}}
* {{IMDb episode|7508702|Elseworlds, Part 2}}
* {{IMDb episode|8883894|Elseworlds, Part 3}}

{{Arrowverse}}
{{The Flash (2014 TV series)}}
{{Arrow (TV series)}}
{{Supergirl (TV series)}}

[[Category:2018 American television episodes]]
[[Category:Arrow (TV series) episodes]]
[[Category:Arrowverse crossover episodes]]
[[Category:Identity theft in popular culture]]
[[Category:Supergirl (TV series) episodes]]
[[Category:The Flash (2014 TV series) episodes]]
[[Category:Television episodes about abduction]]
[[Category:Television episodes about androids]]
[[Category:Television episodes about parallel universes]]
[[Category:Television episodes set in psychiatric hospitals]]
[[Category:Television episodes set in Kansas]]
[[Category:Television episodes set in the Arctic]]
[[Category:Television episodes written by Marc Guggenheim]]
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[[Категория:Википедия]]
[[Категория:Статья из Википедии]]
[[Категория:Статья из Английской Википедии]]