52
votes
How did Biff return to 2015 from 1955 without a lightning strike?
Biff didn't actually have to use the same plutonium-driven Delorean that Marty had to use in the 1st part. He used the Delorean that Doc had modified based on 2015 technology, which didn't need the ...
49
votes
Movie where father, mother and son are the same person?
Predestination
For his final assignment, a top temporal agent must pursue the one criminal that has eluded him throughout time. The chase turns into a unique, surprising and mind-bending ...
39
votes
How did Marty meet Doc in 1955 after Doc has travelled to 1885?
The Doc Brown in 1955 is younger than the Doc Brown in 1885, by 30 years. The Doc Brown in 1955 will still live for another 30 years before traveling back to 1885 and being shot by Buford.
24
votes
Accepted
TV-Show: Time travel with group of different times. Fork-like tool used as weapon
This is The Fantastic Journey. It's actually from the late 70s rather than the 80s. The show revolves round a group of people shipwrecked or lost on an island in the Bermuda Triangle where different ...
15
votes
Accepted
Why don't Marty's memories change?
Marty was in the time machine when he came back. The definition of the time machine is that the machine (and what it contains) travel through time unaltered.
(My real question would be, why is there ...
10
votes
What caused and ended the time loop in Groundhog Day?
The first lines of the movie:
"Somebody asked me today...
"Phil, if you could be anywhere, where would you like to be?"
I said to him,
"Probably right here."
Elko, Nevada."
In ...
9
votes
What's the rush to travel forward in time?
So travelling forward at the normal rate could only be a good thing
No, it would be the opposite. Sarah and Pops only waited because they needed a Future Tech cpu to power their homemade Time ...
9
votes
What caused and ended the time loop in Groundhog Day?
I think many are missing this crucial dialogue in the movie:
Rita: I don't know what to say.
Phil: I do. No matter what happens tomorrow, or for the rest of my life, I'm happy now.
The loop broke ...
9
votes
Accepted
Time-travelling neo-Nazis try to give Hitler an H-bomb
Zítra vstanu a oparím se cajem (1977)
English title: Tomorrow I'll Wake Up and Scald Myself with Tea
Former Nazi Klaus Abard survives to the 1990s by taking anti-aging pills. He plans to use a ...
9
votes
What's the role of the Receiver/Transmitter in Avengers Endgame?
The GPS's connect them to the Quantum Bridge.
They allowed them to travel through it remotely and safely.
Stark solves this with a "time-space GPS," a way for the team to
travel through the ...
9
votes
Accepted
How did Ulrich end up in 1953?
[Currently there is another answer that has been accepted, but I don't think it clearly answers the question, so I provide this answer as an alternative.]
The cave's tunnels serve as a junction of ...
8
votes
Why doesn't Marty use the other DeLorean?
As noted by Doc's letter to Marty, Doc has been in 1885 for 8 months. This is crucial to figure out why the gas, how ever much is left, would not be useful. Gas tends to have a shelf life of 3 months. ...
8
votes
Accepted
Time travel movie: guy wants to live in the past, travels there and meets another girl who wants to live even further in the past
The movie is "Midnight in Paris (2011)", American-French romantic comedy film written and directed by Woody Allen.
Set in Paris, the film follows Gil Pender, a screenwriter, who is forced to ...
8
votes
How did Ulrich end up in 1953?
The idea of going 33 years into the future and 33 years in the past had to do with the methods of time travel, and there are several shown in the show.
"Season 1" Time Travel
The 33 years ...
7
votes
Is the time loop on the cruise ship a second timeline in Triangle?
I thought it might help to explain just the mechanics of the events on board the Aeolus a bit to clear up what's happening. I am loosely following this video analysis by Peng Yang, though I think I ...
7
votes
Accepted
What are the time travel rules in Midnight In Paris?
Unfortunately, how Gil time travels in the movie is not disclosed and Woody Allen never explains the mechanics of his time travel as any explanations in the script would take away from the plot of the ...
7
votes
Accepted
How did Travelers bring matter/objects/artifacts into the past?
Like the other answer attempts to explain, The Travelers do not take any physical materials with them, but instead The Director is able to communicate with the traveler teams in the 21st Century ...
6
votes
Track all changes to the timeline in the Terminator series
This is not a true answer so much as it is a guideline for what an answer should be. It's my best attempt at an answer, but there's a gaping hole in the Salvation change. I'm also not sure if the list ...
6
votes
Where did the second Marty go?
Marty2 is Marty 1 from the beginning of the movie. He goes to the same time and place Marty1 went earlier.
In the scene you describe, Marty1 is watching the events from earlier in the movie. The "...
6
votes
Accepted
Was Dormammu's dimension required for the time loop to work?
Maybe, but it would be more of a trick than actually trapping someone.
The only reason his plan worked was because Dormammu himself "lived outside of time". Meaning that while Dr. Strange put ...
6
votes
Back to the Future Part 2: What was the point of going to the future?
I think the most simple answer is that this is what the characters did at the end of the original film.
Bob's Zemekis and Gale never had any intention of producing a sequel and never originally ...
6
votes
Back to the Future Part 2: What was the point of going to the future?
It's not the worst plan ever.
Firstly, the Marty of 1985 is arguably more grounded than his 2015 self.
Although there are plenty of ways that Marty could just try to keep his son from getting ...
6
votes
Accepted
MCU connected to Doctor Who?
There is no connection between the MCU and Doctor Who that I am aware of. Several actors have played characters in both but that is about it. The only other connection is that Doctor Who Weekly was ...
5
votes
Accepted
How come the present is not changed for the lab team?
The present is never changed for the lab team because they never traveled through time. To our knowledge, the members of the lab team all originated in the timeline in which the time travelers arrive,...
5
votes
Accepted
First appearance of going to past (time-travel) to change the present
The 1933 film Berkeley Square has the protagonist wanting to go back to experience sea faring England, and not change it, but he does.
The 1947 film Repeat Performance has a woman wish she could go ...
5
votes
Accepted
Time travel / accessing the fourth dimension
First, is this a fair understanding of time travel in movies?
Broadly speaking, you are correct. The points I'm raising are nuances to your ideas, to show you why it's different from what you expect.
...
5
votes
How did Travelers bring matter/objects/artifacts into the past?
They don't. They go back to the past with them (or their Historian) knowing where to find the necessary materials to build whatever they need, with their future technological knowledge. The Travelers ...
5
votes
Shot mechanic in Tenet
I struggled with this as it seemed to be a temporal loophole but I think there is an answer - which lies at the end if you don't care for the details.
Examining the relevant scenes of the film, this ...
4
votes
What happened to Thomas Granger?
I don't have much to add to these interesting speculations. But the director's commentary on the DVD indicates that he was asked this very question at a tech conference. Carruth explained that he ...
4
votes
Critical plot hole in Primer?
The narrator himself (Aaron2) is an Aaron who encountered a future Aaron (Aaron3) who looped back to do the party a second time. Aaron2 himself has been convinced by Aaron3 to not do the party, ...
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