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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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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How is the timeline of Marvel established amid the multiverse, reboots, etc?

A bit of a vague question, I know. Stay with me. I like superheroes and comics, but I'm not a huge buff. One thing that I never seem to be able to figure out is how the timelines of comics (I'll ...
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4answers
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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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Seeking title of short story that ran in Playboy (or Maxim?) about New York City's future rise and fall over the next century

Need the title of a short story that ran in Playboy (or Maxim) about four years ago (late 2010-early 2011). The subject of the story concerned a single brownstone building that lays witness to the ...
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1answer
77 views

Is it possible to determine when the events of Archer take place?

Archer seems to take place in an invented timeline: the internet is commonly used by civilians (which actually began in the mid-90's), the I.R.A. is still active (in the real world, they ceased ...
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How did Voyager encounter the Krenim so soon when Kes hadn't ascended?

In Voyager's Before and After, Kes warns Captain Janeway (at the point in her timeline when she is eventually stabilized) about their impending encounter with the Krenim "in about six months", for ...
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1answer
124 views

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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655 views

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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Blake's Seven timeline

I cannot find a good resource for a timeline, -- with dates in an in-Universe dating system -- for the back-story and plot of Blake's 7. From what I can tell from tangential references, the B7 ...
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2answers
269 views

Why didn't the Doctor know he would regenerate again? [duplicate]

In The Day of the Doctor, all 13 Doctors turn up to help save Gallifrey, and it's assumed that Ten, Eleven, and War have summoned the rest. Given Twelve's presence - a form that Eleven hasn't yet seen ...
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154 views

Seeking a story about a time-traveler living backwards in a capsule

I'm hunting for the title of a short story where a senile old man appears in a capsule in a laboratory. They eventually realize time is passing backwards for him. After years he helps them build the ...
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596 views

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 ...
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1answer
637 views

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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1answer
398 views

Duplication of characters in Warlords of Draenor (spoilers)

I'm putting this question here instead of games because it's a lore question. As I understand the plot of Warlords of Draenor (the latest expansion for Worlds of WarCraft) Obviously, there are many ...
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1answer
531 views

Story About Time Travel Using a Gate on the Sun

When I was in high school (6 or 7 years ago), one of the short stories that we read out of the text book had to do with an alien civilization that had discovered time travel. They had managed to ...
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1answer
2k views

Is there a complete list of published dates for all the New 52 titles? [closed]

I didn't think I needed to ask this question, but DC forced me into this. I am not used to of DC's way of telling a story by putting it in several different comics and even in several different ...
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Name of alternate timeline short story

In the story the man helps with someone's estate and receives a custom clock. He discovers the clock maker lives in the woods outside town and visits him. After leaving the place at night he gets lost ...
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1answer
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How did Magneto get out of prison in the original timeline?

In X-Men: Days of Future past, the timelines between the war future and the end-of-the-movie future begin to diverge when Wolverine wakes up in the past and begins meddling with things, such as ...
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2answers
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When is Fahrenheit 451 set?

Is there an allocated time period in Ray Bradbury's novel? I'm not too sure if there is a timeline that led up to the events in the book, so the time in which it is set is unclear to me.
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2answers
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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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3answers
546 views

Why did Daleks left Adelaide Brooke alive ( Fixed point in time issue )

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 words of ...
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492 views

In Eureka Season 2, does Henry Deacon remember the circumstances of Kim Anderson's death?

In the Season 1 finale "One in a Lifetime" Jack Carter Upon resolving the timeline, Henry confronts Carter, knowing that he made the right decision but unable to accept it. They agree to erase ...
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1answer
405 views

What happens between the end of the last series and the 50th anniversary special? [duplicate]

Lots of spoilers, obviously. At the end of the last series, in The Name of the Doctor: Then in the 50th anniversary special The Day of the Doctor: How? What happened between these two episodes? ...
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2answers
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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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6answers
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Why aren't the Xindi referred to anywhere other than Enterprise?

The Xindi (multiple species in the sector) were shown only in Enterprise. What happens to them in the later timelines? Why isn't there any mention of these species in other Star Trek series, since ...
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What was the point in the Silence trying to kill the Doctor when Clara saves him anyway?

The Silence set out to kill the doctor to prevent him from ever answering his name on the Trenzalore, as something bad would obviously quite happen there, hence the phrase 'Silence will Fall'. ...
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10answers
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When does the Doctor actually tell River his name? [duplicate]

In The Name of the Doctor, we are technically seeing a saved version of River Song from the Library, meaning she's definitely dead. If this is so, where in the timeline does the Doctor tell her his ...
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3answers
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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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3answers
1k views

Why doesn't Cortexiphan kill William Bell in the Fringe Season four finale

In season 3 we learn that Cortexiphan is fatal for adults. Being as William had not had it as a kid, and the development of Cortexiphan was before the split in the timeline, how can William Bell take ...
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3answers
290 views

Annorax and the Krenim Weapon Ship

At the end of VOY:Year of Hell Part 2, you see Annorax with his wife and he is working on Temporal Incursion Calculations. Does this imply that a significant portion of the Delta Quadrant would be ...
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1answer
620 views

What year was the Time Lock established?

Is there any evidence to indicate when - what year by our Earthly reckoning - the Time Lock was put in place around the Time War between the Daleks and Time Lords?
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1answer
1k views

Is Star Trek set in our future, or is it an alternate universe? [closed]

If I recall correctly, the Eugenics Wars were supposed to have occurred in the 1990s and World War 3 is supposed to happen relatively early in the 21st century. Obviously, the Eugenics Wars did not ...
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1answer
276 views

Why can the wormhole aliens communicate with and learn from humans at all?

We know that the aliens living inside the wormhole adjacent to DS9 and Bajor (also known as "Prophets" by the Bajoran clergy) have no concept of linear time as we know it. That is, their conciousness ...
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2answers
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Where does Artemis stand in the Star Trek timeline?

The multiplayer co-op game and Star Trek Bridge Simualator, Artemis, presents the players with the ability to roleplay their own scenarios with their own personal crew and ship. As such, the game ...
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3answers
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Has Star Trek ever addressed why our timeline is different than theirs?

The Star Trek universe and ours are identical (as far as we know) until sometime between the 1960s and 1993. We know from Vic Fontaine and various references to Apollo that the 1960s happened very ...
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1answer
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Was Harold Saxon the next Prime Minister after Harriet Jones?

So did the Doctor start the events leading to his capture by the Master, and the events of The Sound of Drums/Last of the Time Lords, when he caused Harriet Jones's resignation?
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1answer
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How did time-travel work in The Philadelphia Experiment 2?

Time travel in The Philadelphia Experiment (1984) is kept simple, there is no "new" timeline created. Jim Parker goes forward and then back in time and David Herdeg is remembered by other crewmates as ...
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6answers
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Will Spock warn of disasters in the new Star Trek universe?

Will Old Spock in the new timeline universe warn them of upcoming natural disasters? i.e. V'ger, the whale probe, Praxis and explosion, the Borg, violent first contacts, the wave from Generations, ...
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How does the Xenomorph evolution timeline work in the Alien/Predator universe?

I'm wanting to know how the timeline works in the Alien/Predator universe, specifically in relation to the Xenomorph's evolution. What I want to know is how this ties in with Alien Vs Predator? As ...
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2answers
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Is Madame K dead?

I know Amy killed Madame K in The Wedding of River Song (Season 6 Episode 13). But that took place in an alternate timeline. On the hand, at the end of that episode Amy is drinking wine because she is ...
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4answers
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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, ...
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1answer
4k views

Why didn't River know what would happen to The Doctor at Lake Silencio?

I'm talking about the Season 6 finale "The Wedding of River Song", about this moment: I'm specifically talking about the moment (I won't bother with spoiler boxes from now, because this won't ...
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1answer
6k views

How long, in-universe, were each of the Star Wars movies?

Inspired by this question: Why Luke named 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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2answers
1k views

Does time move slower inside Lothlorien?

I know I have read this somewhere and I wonder if it is correct. When the fellowship comes out of Lothlorien it is implied that, during the time it has taken for them to be in Lothlorien, a lot more ...
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4answers
920 views

How could our heroes & old Biff switch timeline while keeping Almanac with young Biff?

In Back to the Future 2, old Biff stole the time machine in 2015 and went back in time to give an Almanac to young Biff. At the point of giving the Almanac to young Biff in 1955, he altered the future ...
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6answers
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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 ...
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3answers
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When was Babylon 5 constructed, and how long did it take?

I've just recently started watching B5, and I'm near the end of season 2. One thing that's seemed strange to me is that all five Babylon stations were built in the decade following the Earth-Minbari ...