Editing Alternate history (section)

==Television==
{{Excessive examples|date=April 2023}}
''[[1983 (TV series)|1983]]'' is set on a world where the [[Iron Curtain]] never fell and the Cold War continues until the present (2003).

''[[An Englishman's Castle]]'' tells the story of the writer of a soap opera in a 1970s England which lost [[World War II]]. England is run by a collaborator government which strains to maintain a normal appearance of British life. Slowly, however, the writer begins to uncover the truth.

In the ''[[Community (TV series)|Community]]'' episode "[[Remedial Chaos Theory]]," each of the six members of the study group rolls a die to decide who has to go downstairs to accept a pizza delivery for the group, creating 6 different alternative worlds. Characters from the worst universe, "darkest timeline," would later appear in the "prime universe".<ref>{{Cite web|url=https://darkesttimelinepodcast.libsyn.com/|title=The Darkest Timeline with Ken Jeong & Joel McHale|website=darkesttimelinepodcast.libsyn.com|accessdate=6 April 2023}}</ref>

''[[Confederate (TV series)|Confederate]]'' was a planned HBO series set on a world where the south won the [[US Civil War]]. Social media backlash during pre-production led to the series being cancelled with no episodes produced.

''[[Counterpart (TV series)|Counterpart]]'' tells of a [[United Nations]] agency that is responsible for monitoring passage between alternative worlds. Two of the worlds, Alpha and Prime, are locked in a cold war.

''[[The Court-Martial of George Armstrong Custer]]'' is a 1977 telemovie where [[George Custer]] survives the [[Battle of Little Bighorn]] and faces a court martial hearing over his incompetence.

''[[C.S.A.: The Confederate States of America]]'' presents itself as a British TV documentary uncovering some of the dark secrets of the Confederacy on a world where the south won the [[US Civil War]].

''[[Dark Skies]]'' tells that much of history having been shaped since the 1940s by a government conspiracy with aliens. One race of aliens can take over humans, while those immune to the alien's control fight back.

''[[Doctor Who]]'''s main character has visited two alternative worlds in the TV show and several in its spin off media. The Third Doctor visits a world with a fascist Great Britain on the brink of destruction in ''[[Inferno (Doctor Who)|Inferno]]'', while the Tenth Doctor visits a Britain that has a President and blimps are a common form of transportation beset by Cybermen in ''[[Rise of the Cybermen]]'' / ''[[The Age of Steel]]''. The Seventh Doctor faces a threat from an alternative world in ''[[Battlefield (Doctor Who)|Battlefield]]'', where magic is real and the alternative version of The Doctor is hinted to be that reality's [[Merlin]].
[[File:Flag of the United States (Fallout).svg|thumb|196x196px|The [[United States|U.S.]] flag in the [[Fallout (franchise)|Fallout]] franchise ]]
''[[Fallout (American TV series)|Fallout]]'' shows a 1950s retro-future world that suffers a global nuclear war <ref>{{cite web | url=https://deadline.com/2020/07/fallout-television-series-based-game-franchise-amazon-studios-westworld-creators-1202976079/ | title='Fallout' TV Series from 'Westworld' Creators Based on Games in Works at Amazon with Series Commitment | date=2 July 2020 }}</ref> on the [[Amazon (company)|Amazon]] streaming service.

''[[Fatherland (1994 film)|Fatherland]]'' is a TV movie set in a 1960 alternative world where US President [[Joseph Kennedy]] and Adolf Hitler have agreed to meet to discuss an end to their country's Cold War 15 years after the Axis victory in World War II. However, an American reporter has discovered proof of the long denied [[Final Solution]] threatens the meeting.

The anime ''[[Fena: Pirate Princess]]'' featured an alternate 18th century.<ref>{{cite web|first=Joseph|last=Luster|url=https://www.crunchyroll.com/anime-news/2020/07/25/fena-pirate-princess-anime-revealed-as-crunchyroll-and-adult-swim-production|title=Fena: Pirate Princess Anime Revealed as Crunchyroll and Adult Swim Production|website=[[Crunchyroll]]|date=25 July 2020|access-date=10 February 2021}}</ref>

''[[For All Mankind (TV series)|For All Mankind]]'' depicts an alternate timeline in which the [[Soviet crewed lunar programs|Soviet crewed lunar program]] successfully lands on the Moon before the US [[Apollo program]], resulting in a continued and intensified [[Space Race]].

''[[Fringe (TV series)|Fringe]]'' has the father of one of the main characters cross into another reality to steal that world's version of his son after his son dies. The second world has a slightly different history, with a few different states in the [[United States]], such as only one Carolina and Upper Michigan as a state. In addition, the [[9/11 attack]] didn't take down the [[World Trade Center (1973–2001)|Twin Towers]] but the [[White House]]. Also, several major [[DC Comics]] events are different, such as [[Superman]] not [[Supergirl]] dying during ''[[Crisis on Infinite Earths]]''. The incursion to steal the son has many negative effects on that world, and while the realities start out as antagonist, they eventually work together to repair the damage.

''[[The Man in the High Castle (TV series)|The Man in the High Castle]],'' an adaptation of the [[The Man in the High Castle|novel of the same name]], showed a world where the [[Axis powers|Axis Powers]] [[Hypothetical Axis victory in World War II|won World War II]].

''[[Motherland: Fort Salem]]'' explores a female-dominated world in which witchcraft is real. Its world diverged from our timeline when the [[Salem witch trials]] are resolved by an agreement between witches and ungifted humans.

''[[Noughts + Crosses]]'' is a British TV show set on a world where a powerful West African empire colonizes Europe 700 years before the start of the series.

''[[Parallels (film)|Parallels]]'' was a planned TV show whose pilot was later released as a [[Netflix]] movie. The plot concerns a building which can shift realities every 36 hours and those who use the building to travel to other realities.<ref>{{cite web | url=https://www.geekscape.net/geekscape-reviews-parallels-is-a-phenomenal-tv-pilot-frustrating-movie | title=Geekscape Reviews: "Parallels" is a Phenomenal TV Pilot, Frustrating Movie | date=3 March 2015 }}</ref>

''[[The Plot Against America (miniseries)|The Plot Against America]]'' is an [[HBO]] miniseries where [[Charles Lindbergh]] wins the 1940 US presidential election as an anti-war candidate who moves the country toward fascism.<ref>{{cite web | url=https://pressroom.warnermedia.com/us/media-release/hbo-0/plot-against-america/limited-series-plot-against-america-debuts-march-16 | title=Limited series THE PLOT AGAINST AMERICA debuts March 16 &#124; Pressroom }}</ref>

[[Primal (TV series)|Primal]] features Spear and Fang from the [[Prehistory|Prehistoric]] encountering with [[Ancient Egypt]] and [[Vikings]] era, and in episode [[The Primal Theory]] where [[Charles Darwin]] is alive in 1890 instead of 1882.

The TV show ''[[Sliders (TV series)|Sliders]]'' explores different possible alternate realities by having the protagonist "slide" into different parallel dimensions of the same planet Earth.

''[[The Great Martian War 1913–1917|The Great Martian War 1913-1917]]''
An alternate history documentary where giant martians with machines invaded the Earth during WW1, causing huge technological upgrades and the entente and central powers fighting alongside each other.

''[[SS-GB (TV series)|SS-GB]]'' shows a world where the [[Axis Powers]] quickly win World War II, killing Churchill and installing a puppet government. However, British resistance fights back.<ref>{{cite news | url=https://www.theguardian.com/tv-and-radio/2017/feb/10/ss-gb-nazi-britain-dystopian-parallel-universe-television-drama | title=SS-GB's dystopian parallel universe – a drama for our time | newspaper=The Guardian | date=10 February 2017 | last1=Ellis-Petersen | first1=Hannah }}</ref>

In the various ''[[Star Trek]]'' TV shows and spin off media a [[Mirror Universe]] has been encountered where Earth has an empire that subjugates other planets. Doppelgängers of the main cast of many the TV shows appear in that reality.

The ''[[Watchmen (TV series)|Watchmen]]'' series is set on a world where costumed heroes were initially welcomed but later outlawed. It is set 34 years after the events of the comic book on which the series shares a name.

The [[Marvel Cinematic Universe]] series, ''[[Loki (TV series)|Loki]]'' (2021 & 2023), on [[Disney+]], shows an agency which prevents alterations to the timeline. Alternate versions of Loki from various universes appear.

The [[Marvel Cinematic Universe]] series, ''[[What If...? (TV series)|What If...?]]'' (2021–2024), on [[Disney+]], shows alternate universes that depict alternate events from the MCU films.