A concept frequently used as a plot device involving the manipulation of events by characters traveling through time.

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5answers
5k views

How is Cooper's age justified?

In Interstellar the course of events to my knowledge is the following: The time taken to travel from Earth to the wormhole is 2yrs (Aggregate = 2). After that we don't know how much time passed on ...
48
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8answers
17k views

In Back to the Future Part II, how could old Biff have made it back to 2015?

In Back to the Future Part II, Doc picks up Marty in 1985 and takes him to 2015. Then old Biff realizes the Delorean is a time machine. Old Biff steals the Delorean and travels from 2015 to 1955 to ...
121
votes
9answers
30k views

What caused and ended the time loop in Groundhog Day?

I've always wondered what caused the Time Loop experienced by Phil Connors in Groundhog Day, as well as what ended it, but I don't recall it being discussed in the movie. What was the cause for the ...
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12answers
40k views

Is the time loop on the cruise ship a second timeline in Triangle?

In Triangle, at the start when Jess arrives at the boat for the "first" time, is this the start of the continuation of the ending scene. It's known that the cruise ship and any surroundings after ...
39
votes
5answers
16k views

What does the woman from the future mean when she says she's “in insurance”?

At the end of 12 Monkeys, the doctor spreading the virus gets on a plane and sits next to a woman we know (or can assume) is from the future. She tells the doctor that she's "in insurance." What does ...
3
votes
1answer
275 views

Movie with 3 friends using a time machine constructed by one of them

The movie is about 3 friends where one of them makes a time machine. First they send the dog then the one who made the machine sends himself and lastly he sends his two friends. They get to the same ...
19
votes
3answers
832 views

How come the events of Terminator didn't change the future, but the events of Terminator 2 did?

The 1984 events in the original Terminator don't change the future - rather, the events are consistent with a single "version" of 2029, the 2029 seen in the film. This is evidenced by the fact that ...
9
votes
4answers
741 views

Are there any guides to the timeline of Donnie Darko?

I have the basic understanding that the entire plot to Donnie Darko revolves around time traveling. As far as the ending is conceded, you may have various interpretations of what actually happened. ...
4
votes
2answers
548 views

Crossing your own timeline, changing the future - how does that work?

There are many movies and TV episodes in which a character "crosses his own timeline", sometimes even meeting his past or future self (e.g. The Day of the Doctor). Technically, I should say meeting ...
10
votes
3answers
644 views

In the Time Travellers Wife why does Henry never meet himself?

There are several occasions in the Time Travellers Wife where Henry arrives at the same point as he's already been, such as when he sees himself die and when Alba is conceived. Why does he never meet ...
9
votes
2answers
560 views

Has Bran already been to the past?

Spoilers - Don't read if you have not seen episode 5 season 6 of Game of Thrones. My question is that Hodor was Hodor from since Season 1 so does that mean Bran had already been to the past before ...