Questions tagged [paradox]

A paradox is a seemingly true statement or group of statements that lead to a contradiction or a situation which seems to defy logic or intuition. For the short-lived UK sci-fi series, use the tag [paradox-tv], and for the 2010 film staring Kevin Sorbo and Christopher Judge, use the tag [paradox-movie]

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On the nature of paradoxes in the Whoniverse?

Loosely: How do Paradoxes work in Doctor Who? We see in previous episodes, To allow a paradox to occur. We also have the the weeping angels, that feed off of time loops. They are however supposedly,...
AncientSwordRage's user avatar
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18 votes
4 answers

Identifying a short story about time travel and paradoxes

I remember having read a short story in which the main character, thanks to a series of happenings also involving time travel, grew up, changed sex, made sex with himself and had a son... who of ...
mau's user avatar
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7 votes
5 answers

How did Senator Travers not just survive as a Time Paradox Duplicate

In Decision 3012 (stop reading if you do not want spoilers): Senator Travers uses the time paradox code from Bender's Big Score to go back in time to stop Nixon, and then he disappears when he won ---...
Naftali's user avatar
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4 votes
3 answers

Red Dwarf: time and space travel paradoxes in "Tikka to Ride"?

The Red Dwarf episode Tikka to Ride has confused me more than any previous episode: How was it possible for the crew to use the Time Drive to travel back to 1960's Earth, when in the previous episode,...
Meir Illumination's user avatar
63 votes
12 answers

Why was Marty present in his jump to 2015 in Back to the Future 2?

I was doing some thinking about the paradoxes that arise during Back to the Future 2 when Marty, Doc and Jennifer travel to 2015 to see their future selves and help Marty's kid. It was shown that ...
OghmaOsiris's user avatar
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31 votes
4 answers

What would happen if you portalled the TARDIS inside itself? [closed]

The TARDIS is one of the few fictional objects that could contain themselves. Firstly, because "it's bigger on the inside" but secondly because the TARDIS has some means of sustaining paradoxes (which ...
bitmask's user avatar
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19 votes
15 answers

How do the timelines from Misfits align?

In episode 6 of the second season, we saw the fulfillment of a number of predictions made earlier in the series. There are a number of spoilers involved in this question. Specifically: However... ...
Beofett's user avatar
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9 votes
1 answer

Predestination and Bootstrap Paradox?

Can someone please help me understand the difference between Predestination and Bootstrap Paradox by pointing me in the direction of movies that deals with each of them? For instance, Predestination ...
Gomes's user avatar
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1 vote
1 answer

Predestination (movie) - predestination or bootstrap paradox? [duplicate]

In the movie Predestination: Is Jane's birth because of a predestination paradox or bootstrap paradox? which one is it?
Gomes's user avatar
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32 votes
6 answers

How did the T-1000 avoid the bootstrap paradox?

I have watched Terminator 2 several times now, but there is one major problem with it that has been bothering me. The Terminator* was sent back in time to (unsuccessfully) assassinate Sarah Connor, ...
Rondo's user avatar
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15 votes
12 answers

How could Walter send Peter the letter in the last episode?

THIS QUESTION CONTAINS SPOILERS FOR THOSE WHO HAVE NOT VIEWED THE LAST EPISODE In the last episode of Fringe, Peter finds a tape addressed to him, which was encased in amber. In this tape Walter ...
JNat's user avatar
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14 votes
3 answers

At the end of the first Back to the Future movie, how come Marty can witness the original events happening then wake up to visit an alternate family?

At the end of the first Back to the Future movie, Marty comes back ten minutes early, and sees the events from the start of the movie playing out (him running to the DeLorean and going back to 1955). ...
Fuad Ahmed's user avatar
4 votes
1 answer

Story with the continuum hypothesis at the end [duplicate]

When I was in my teens, I think (if so it must have been in the seventies or early eighties), I read a short story about a single person landing in a space ship on a hostile military planet, and then ...
Freek Wiedijk's user avatar
-3 votes
5 answers

Why did future John Connor bother to send the T-101 Terminator back?

In the movie Terminator 2: Judgement Day, future John Connor sends the Terminator back in time to save himself from being killed. But from the perspective of past John Connor (the kid), he sees a ...
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