Questions tagged [timeline]

A timeline is a paradox filled science fiction plot device consisting of a series of chronological events, each a link from the past that leads up to the present. Timelines are sometimes portrayed as being vulnerable to alteration and are often threatened by the actions of time travelers.

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Do the time travel mechanics in Terminator Genisys make sense?

As far as I am aware, the Terminator franchise operates on the idea that time travel works by creating alternate timelines when something is sent back in time, allowing the future of the new timeline ...
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The Tunnel (Korean) - How come this character has the same name in the old timeline?

In the 2017 Korean TV series The Tunnel, a detective named Park Kwang Ho accidentally time travels from 1986 to 2016 through a mysterious tunnel, while investigating a series of gruesome murders that ...
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When was David Tennant's Doctor in “Day of The Doctor”?

After re-watching the 50th anniversary special of Doctor Who I was wondering at what point in time David Tennant's doctor was along his own timeline. He mentions to the rabbit that he is 904 and he ...
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Why does Neil do this?

After Neil catches up to the masked person in the airport, he stops the protagonist from killing the inverted masked person. Then why did Neil see a need to stop him from killing the masked person?
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What is the timeline for the Mad Max series?

Dates are probably of little importance to the people who exist in the post-apocalyptic world depicted in the Mad Max tetralogy, but of interest to the viewer: Is it stated in what year(s) the Mad ...
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Did the events of “One More Day” erase Mary Jane's pregnancy from the timeline?

The controversial One More Day storyline from 2008 famously altered Marvel Earth-616 history so that Peter Parker and Mary Jane Watson were never married. In the revised timeline, a random mishap ...
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Earliest known story involving time-travel within a self-consistent timeline?

Stories involving time-travel often suggest that history can be changed, like in Back to the Future or Star Trek (2009). However, some such stories suggest that all events within a given timeline are ...
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How could Janeway have used Holodecks as a child when they were new to Picard?

How could Janeway use Holodecks as a child when Picard and the rest of the Enterprise-D crew make it clear in TNG: Encounter at Farpoint that holo-technology is very new? For many of them it's the ...
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What happened to Chekov's confiscated phaser and communicator in Star Trek: The Voyage Home?

In the Star Trek: The Voyage Home, Chekov is captured after sneaking on board the USS Enterprise. During his interrogation we see three items of 23rd century origin: Chekov's Starfleet ID Phaser ...
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How long, in-universe, were each of the Star Wars movies?

Inspired by this question: Why did Luke name his son Ben and not Obi-wan? Currently, the only answer there addresses the fact that the "names you first know someone by are hard to shake". However, ...
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In Primer, why aren’t there six Aarons?

At the end of Primer, we know that “Primer” gets locked in the attic, thus “Hooded” (and later “Earpiece”) wouldn’t be able to exist if — like in most on-screen time-travel — he needs to enter the ...
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Why did stopping Vosk from returning to the future reset the timeline (including the past)

In the Enterprise season 4 episodes Storm Front 1 & 2, the ship ends up in an alternative timeline where the Germans overran England and invaded the East coast of the US during WWII. (These ...
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Did Marty-2 go to the Lone Pine Mall, or was is still Twin Pines Mall for him?

In Back to the Future when Marty first goes to the mall to meet up with Doc he walks past the mall sign which reads Twin Pines Mall. At the end of the movie when he returns to the mall to save Doc and ...
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Do Judy and Peter remember anything from the events in Jumanji?

According to this answer, the game Jumanji teaches its players important life lessons. Jumanji appears to be an artifact designed to teach the players important values, as games often do, but with ...
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Time travel in Doraemon - was the Stable Timeloop effect ever really adverted?

The basic premise in the Japanese manga/anime Doraemon is that the titular character - a robot cat from the 22 century - was sent to the past to help Nobita Nobi to improve his future. In the first ...
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Why is Ocarina of Time the splitting off point for the Zelda timeline?

I have read the other questions and answers related to the Zelda timeline on here. But my question wasn't answered there. A few years ago Nintendo finally released the History of Hyrule book. It, ...
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What is the timeline for The Lord of the Rings trilogy?

The Lord of the Rings trilogy obviously covers a lot of time. How many months/years pass from the beginning of The Fellowship of the Ring until the end of The Return of the King? A timeline of events ...
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Were there two Death Stars in construction at the same time?

The first Death Star was in construction at the end of Episode III (presumably 19 BBY). The ending shot is this picture, with only small portions of the superstructure completed: 19 years later, the ...
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Do the time travel rules of the Indian movie 24 make sense?

There are basically three kinds of time travel stories in terms of they handle paradoxes: Stories that obey the Novikov self-consistency principle, like the TV show LOST and the movie Interstellar, ...
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Are these the correct ages of the characters of Devil May Cry?

I've been investigating different interviews and info that the games and other media like anime and manga provide and I got this timeline regarding characters' ages. Does this seem correct? EVA’s ...
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What is the canonical age of Xena when she first appears on Hercules: TLJ, and by the end of her own series?

The character of Xena from Hercules: The Legendary Journeys and Xena: Warrior Princess was introduced with a very extensive backstory; she was a villager who became a warrior by force who became a ...
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How does the time-turning event work in “Harry Potter and the Prisoner of Azkaban”? [duplicate]

I know in Harry Potter and the Prisoner of Azkaban Harry and Hermione go back in time, save Buckbeak and free Sirius Black. However, in the actual movie before this event, Harry sees - according to ...
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When, exactly, does Justice League (2017) take place?

While answering this old question, I ran into a slight problem: it's unclear exactly how much time passes between Batman v Superman: Dawn of Justice and Justice League. I've found multiple sources ...
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When was Peter Capaldi's Doctor in “Day of the Doctor”?

This question is pretty much the same as this one, except for the twelfth Doctor instead of the tenth. We see a short glimpse of the thirteenth Doctor in The day of the Doctor, but as far as I know, ...
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Was Kyle Reese always John Connor's father? [duplicate]

If Kyle Reese was always John Connor's father: Kyle pops out of nowhere, impregnates Sarah, dies, and then Kyle Reese is born, becomes a member of resistance and he is sent back in time. John Connor ...
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Why did Harry Potter take place in 1981?

Why couldn't it be in the 1940s? Were there any special events happening in 1980-1990 that relate to the story? I'm doing this for school and I couldn't find anything.
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Is this a time-travel discrepancy in Gone World?

This is a question on Gone World. At one point, Shannon gets back in time without the formal channel (i.e. getting on her ship and heading back over a period of 3 months). She actually uses the time-...
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When did the Harry Potter books take place?

I always wondered when the setting of the books was supposed to be. Is it set in the past? Present? Future? I remember seeing somewhere that there was actual years/dates associated with events in the ...
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Timeline of the Harry Potter movies

Using only information found in the 10 Harry Potter movies, (and not using stuff from the books), what timeline of events can we make for the Harry Potter Universe? To keep this from getting to broad,...
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What is the timeframe for Dune 2000/Battle for Dune?

I know that the video games Dune II/2000 and Battle for Dune are not considered canon with the 1984 movie, despite sharing props & overall look-and-feel. The games themselves do not mention the ...
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How long was Rick in the hospital?

I have always assumed that Rick was in the hospital for about 3 weeks. Several factors led me to this conclusion: The length of his beard; the fact that the IV bag was empty, but he didn't die of ...
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Wouldn't giving the Grays' Sports Almanac to Biff change the outcome of the games after 1955?

In Back to the Future - Part II, Biff brings a copy of Gray's Sports Almanac back to his earlier self in 1955. Old Biff: [about the copy of "Grey's Sports Almanac" from the future] The ...
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What happened to the other characters in the 1985 “Biff-timeline”?

In Back to the Future 2, Jennifer is left on a swing at her house and reality changes around her. But what happens to all the other main characters, especially the McFly family? I know Lorraine is in ...
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What is the point of sending anything back in time in the Terminator movies?

As explored in another SCF question, the only way to answer the bootstrap paradox is to say "every time someone is sent back in time, time branches into a separate line." But if that is the case, ...
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Why did the Daleks bother to leave Adelaide Brooke alive?

In The Waters of Mars, it is shown that a Dalek left Adelaide Brooke unharmed when she was young during the events of The Stolen Earth, because she was a "fixed point in time", according to the words ...
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Why did the Vex simulate the future when Atheon is Time's Conflux?

Atheon, Time's Conflux, controls the flow of time throughout the collective Vex mind from inside the Vault of Glass on Venus. The Infinite Forest is a world-sized "computer" capable of incredible ...
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Did this character die in the original, looped Agents timeline?

Tightly related to other questions: What was Coulson doing at the bifurcation point, in the looped branch of the timeline When was this character supposed to die in the looped timeline? This whole ...
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Why doesn't the 29th century Starfleet intervene when Janeway travels back in time at the end of Voyager? [duplicate]

Over all seven seasons of Voyager, the Starfleet of the 29th century intervened whenever anything was in the wrong time. But why don't they do this when Janeway travels back in time at the end of ...
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Did Harry, Hermione and Ron see Buckbeak die?

My recollection is that, in the Prisoner of Azkaban movie, Harry, Hermione, and Ron see Buckbeak being executed, before However, this didn't happen in the book, and the idea that they saw something ...
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How is Data alive in “All Good Things” when he died in Nemesis?

In the Star Trek TNG series finale, "All Good Things", Data is clearly alive and well while Picard is an old man. But Data is clearly destroyed in Star Trek: Nemesis, while Picard is still relatively ...
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Did Marty wipe his children from existence?

At the end of Back to the Future, Part III, Marty declines to enter the drag race that was shown in the previous film to have disastrous consequences for his musical career. The 2015 fax of future-...
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Creature that can choose all options in its timeline

I am trying to find a very short story that I read when I was a kid in the 80s, and it is most probably decades older. It was only a paragraph or two long, and it just described an animal or creature (...
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who are all you zombies? a (mangled) quote from a 1980s(?) science fiction story

I'm looking for a short story where a guy goes back in time (I think repeatedly in some form) and the story ends with the guy either wondering or getting confused (or maybe just making a statement ...
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Returning to your own Timeline

Throughout a number of Star Trek Series you see people going back in time to repair timelines. My question here is when they return to their own timeline would it still be left unchanged? As all they ...
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How could the USS Bozeman be in the Typhon Expanse? [duplicate]

In Cause and Effect (S5:E18), Picard's Captain's Log states they are charting the Typhon Expanse and the Enterprise-D is "the first Starfleet vessel to chart this unexplored region". This implies it's ...
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Did Spock warn of disasters in the new Star Trek universe?

Did Spock Classic (in the new timeline universe) warn NuSpock of upcoming natural disasters? i.e. V'ger, the whale probe, Praxis and explosion, the Borg, violent first contacts, the wave from ...
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How did Walter send back the Machine in the Amber Timeline?

One of the main plot points in Season 3 of Fringe was the Machine. In the Original Timeline, i.e. the timeline shown in the first three seasons of the show, in 2011 Peter uses the Machine to destroy ...
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What is the latest date for the setting in a sci-fi text or movie?

I was thinking of the Mayans this morning, and the controversy about the Mayan calendar in 2012 (through a long and circuitous thought process). But it got me thinking: Someone back 5000 years ago ...
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Why is Mutant X in a cage? Is this after/before X-men Days of future past?

In X-Men Origins: Wolverine, "Weapon X" is created and Wolverine escapes. In Apocalypse he is back in a case, and escapes again. How are these two Wolverine's connected?
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How can The Flash still exist, given the events of the last episode of season 1?

Since there would be no So the time line will be altered drastically: remember Eobard said to Wells that he only built the particle accelerator in 2020. So how is it even possible for the Flash to ...