Questions tagged [time-travel]

For use on questions regarding travel forwards or backwards (or both!) in time. This tag should be used in conjunction with the universe it is found in. Can also be used to signify that the question contains time travel when asking in relation to an identification question: [story-identification], [episode-identification], [character-identification] and [object-identification].

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12 votes
1 answer
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Series of books/novellas, involving a depopulated Earth, mass infertility, a religious cult, time travel, and Amazon warriors

There was a series of books/novellas in the '70s or so, involving a very depopulated Earth due to a chemical/drug error that made all females who lived in modern society infertile. A prophet had ...
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4 votes
1 answer
122 views

Has the Slingshot Effect ever failed?

It's mentioned that time travel using the gravitational slingshot effect is highly dangerous, but typically reckless Kirk uses it successfully at least four times (including twice with a captured non-...
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10 votes
1 answer
269 views

A movie about travelling to the future, where a man see the earth "start" again?

I can't remember the name of this movie I saw when I was a kid. All I can remember was that the man travelled through time every few years ahead,never coming back, one of the years the moon is quite ...
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6 votes
4 answers
2k views

Did anybody in the Star Trek universe temporarily travel to the future?

A recurring theme in Star Trek is time travel. E.g. in Star Trek: Picard, Season 2, when traveling back to the 21st century, Star Trek: First Contact, Star Trek: The Voyage Home, Janeway returning in ...
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15 votes
4 answers
4k views

What's the earliest point in human civilisation that anyone has time-travelled back to, in Star Trek?

In Star Trek, time-travel is very common. But I’m only interested in travel to Earth’s past when it also hosted humans (Q transporting Picard to Earth when life was originating won’t be counted). Some ...
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6 votes
0 answers
160 views

First use of backwards time travel in fiction?

The First use of time travel in fiction question resulted in forwards time-travel as the accepted answer. So now I'm wondering about backwards time travel. This answer from that question, which I ...
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2 votes
0 answers
171 views

Book about organization who can erase time

Has anyone heard about a book where there’s an organization that can erase people or time streams and one of the guys involved falls in love with someone he’s suppose to erase?
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0 votes
1 answer
102 views

How were the 2014 Gamora and OG Nebula able to travel to the present in Avengers: Endgame? [duplicate]

How were the 2014 Gamora and OG Nebula able to travel to the present? From the movie, we know that for you need two thing for time travel: Pym particles and Time-Space GPS or the Time Gateway (like ...
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13 votes
3 answers
3k views

A book series about an engineer sent back in time to medieval times

I am trying to remember a book series where the main character, a male engineer, is sent back in time to medieval Europe (it is a historical setting with no magic) and applies his knowledge, in the ...
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  • 610
9 votes
2 answers
359 views

Short story with character living life in non-sequential segments

Years ago I read a story with a character who experiences their life in segments different than the normal time line, e.g. his first memories might be flailing around like a baby in an adult body and ...
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6 votes
0 answers
77 views

Comic book with time machine inventor murdered by his own assistant

This story was from a comic book I read somewhere around the mid-'60s. It was a normal-sized thin comic book, not one of the thicker "special issue" types. I believe it had several ...
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15 votes
1 answer
423 views

Movie about time traveler staying for a fixed time [duplicate]

Years ago I watched a movie about a time traveler arriving at Earth, picking someone, and bringing them back to his own time. I have searched and searched for the movie, but can't find it. What I ...
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26 votes
1 answer
1k views

Time travel short story about a man from a multi-racial future who is killed when he goes back to a racist past?

A friend of mine had an Amazing Tales-type anthology back in the mid-80's with this story. A traveller is sent back to an earlier time (early 20th century America?). He reveals innocently that he's &...
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10 votes
1 answer
188 views

A story where the female main character commits suicide in order to avoid torture but gets sent back in time

This is a novel that has a manga adaptation, and I read the first few chapters of the manga a few months ago, back in February. It was in full colour, I think. The main character is accused of ...
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  • 161
17 votes
1 answer
5k views

Isaac Newton is visited by a time traveller who tries to give him a calculator

This recent question about a time traveller who visits Newton reminded me of this short story, which I think I read in Omni in the early 1980's. A man travels back in time, hoping to spare Isaac ...
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5 votes
1 answer
97 views

An older time traveling manga about a girl who becomes a warrior after she travels back in time?

The manga is about a girl who travels back in time, the first and like second chapter is when she is still in the modern world. She falls in love with her brother (I think it was because they didn't ...
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3 votes
1 answer
60 views

Manhwa with a pink-haired female wizard/mage and a blue-haired male lead, who fall in love and accidentally end up back in time

I need help finding a manhwa. I can’t remember much, but the main character (MC) is a wizard/mage who eventually somehow gets paired up with the blue-haired male lead, and they start working together. ...
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  • 39
18 votes
1 answer
2k views

Continuity error in A Door into Summer - or very subtle clue

In Heinlein's The Door into Summer Dan is in 2000, trying to find someone he knew before he was involuntarily put into cold sleep in 1970, but he doesn't know what last name she would be using, and ...
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  • 7,213
11 votes
0 answers
100 views

Science fiction short story about an old man who builds a time machine to tell his deceased father goodbye before he himself dies

From a Reddit discussion several years ago concerning the most creative use of time travel, a user named punkwalrus posted the following: A short story from a SF&F literary magazine long out of ...
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10 votes
1 answer
3k views

Short story about an astronaut who keeps meeting a version of himself from a different time, possibly by Isaac Asimov

I can't remember the details very clearly because I read it many years ago, but he needs to fix his stuff. He has a repeating day, I think, and keeps meeting a version of himself from a different time....
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4 votes
0 answers
144 views

What are the limits to meeting your self in the past?

In DC's Legends of Tomorrow, it was said in one of the episodes (I can't remember or find the correct episode) by Rip that making contact with your younger self can jeopardize your entire existence. ...
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4 votes
1 answer
135 views

Name of book about faxing people

I have been trying to identify a book that I read years ago. It is about time travel and involved “faxing” people. The Nazis were trying to perfect this in World War II. However, people were caught ...
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  • 41
12 votes
1 answer
667 views

Science fiction short story about children on a beach stranded in time in perpetual twilight

I read this in a sci-fi magazine in the late 1970s/early 1980s, though it might have been published earlier. The protagonist is an artist who accidentally wanders onto a beach stranded in time that ...
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  • 131
1 vote
1 answer
64 views

Where is the temporal zone located of DC's Legends of Tomorrow?

In DC's Legends of Tomorrow, the place which seems to be the 'neutral' place of time is where the legends tend to set the Waverider in when they are not somewhere on a mission. Where is this located ...
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  • 307
3 votes
1 answer
154 views

Main character is killed and he awakens a system to kill [duplicate]

I am trying to remember a story the main character is a guy who thought he had a chance with a girl, until he was killed and sent a couple hours into the past where he awakens a system. The images ...
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8 votes
1 answer
1k views

Steampunk-heavy TV series which had time travel. BBC, maybe?

Several years ago, which was 2012-2014, I got into steampunk. I got to looking for TV shows with that campy, pulp-adventuring feel. When I asked on Reddit, and also googled for some to watch. ...
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0 votes
2 answers
165 views

Where is Marty from the alternate timeline Where George McFly is an author that Marty makes at the end of Part 1?

Think about it: Marty goes back to 1955 in Part 1 and helps his parents fall in love again. Well, when Marty went back to 1985 he created an alternate timeline where his parents are rich. There are ...
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10 votes
0 answers
129 views

Story in which time travel has similar effect on society as alternate histories have in Niven's "All the Myriad Ways"

I read this story in an anthology I think in the 1970s or 1980s - in it, the government has (and is known to have) the ability to use time travel to "undo" disasters. The protagonist is a ...
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  • 7,213
8 votes
1 answer
576 views

Short story about inept "scientists" building a time machine and real ones cleaning up after them [duplicate]

I read this about 30 years ago but I can't remember what it is named. In the future, a few "real" scientists still exist in semi-secrecy. A lot of inept people believe that they are ...
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2 votes
1 answer
146 views

Why is this act supposed to be a final success for the future antagonists?

(All-spoiler question) In the 2020 film Tenet, arms dealer Sator is instructed to bury the "algorithm" by means of a cave in at Stalsk 12, and his success in doing this somehow ensures ...
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6 votes
1 answer
132 views

Old TV series with a time-travelling boy and girl and a mechanical time guardian

There was a boy and a girl, and they were doing time traveling. Mechanic person guarding a big clock, his hands like clock hands. Like some time guardian.
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3 votes
0 answers
131 views

Short Movie: Time Travel In A Bathtub Or In Just Water

Within the last 4-5 years, I enjoyed a short movie, probably from SIFF because it was on an Alaska Airlines flight. It was about a man (Caucasian, probably in his 20's) who discovered or happened on ...
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  • 31
12 votes
0 answers
112 views

Short story featuring ice and time distortion

Looking for a short story I read years ago where a man sets out into an icy wasteland, possibly the south pole. He gets turned around, and finds footprints and sees people who he assumes may be there ...
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3 votes
0 answers
82 views

Novel where the protagonist travels through time (and space?) to an environment he cannot escape from, and encounters his much older self

I am seeking the title (and author) of a novel whose chief character travels through time (and space?) to a place where he is alone in a large environment but cannot escape from it. At one stage he ...
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26 votes
3 answers
6k views

Does Doc Brown sabotage himself in Back to the Future 2?

Back in 1955, Doc Emmet Brown is spotted by his past self as he is working on the cable in the park, at which point, the latter asks the unrecognizable white-haired man to "be a pal and hand my ...
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  • 377
21 votes
1 answer
2k views

Help identifying movie where a virus sent from the future is encoded with a message

I have been struggling with trying to come up with this movie name for a while now, but being in the middle of a pandemic has made it next to impossible to google for "virus" related things ...
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  • 321
22 votes
1 answer
1k views

Scifi novel about two high dimension beings trapped on earth by a "jailer"

Looking for a recent novel about a pair of aliens who fight amongst each other and trapped on Earth as a result. They try to escape, by nudging humanity towards discovering specific tech, and are ...
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  • 223
7 votes
1 answer
227 views

Short animated film or movie where a boy travels to the future multiple times, each time seeing the Earth in a different stage of its life [duplicate]

The animation style if I remember right is similar to early to mid 2000s. This boy travels through time and makes these stops as if going to all the different stages in the Earth's life. I believe he ...
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7 votes
1 answer
204 views

Short story about a modern missile (drone?) traveling back in time to World War II, and their attempts to understand it

I was reading this Worldbuilding Stack Exchange question about reverse-engineering modern tech with WW2-level science and technology, and it made me remember having seen something very similar here, a ...
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  • 185k
11 votes
1 answer
2k views

A "Thousand and one nights" semi-short fantasy about a door to the past or the future

I read this novelette or shortish novella about 10 years ago, maybe less. It is in a strong "Thousand and One Nights" atmosphere. It is about a magician (probably in Baghdad at the time of ...
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  • 7,622
17 votes
1 answer
1k views

Short story about a scientist who goes into the past to change evolution

I read this story in 2011 and haven't stopped trying to find it. It may have been in an older anthology book from around the 1970s or '80s, and may have been titled "The Lottery". It was ...
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  • 181
4 votes
1 answer
159 views

Manga about a noble girl who's banished by her parents and school, then later dies, goes back in time, and experiences similar events again

There's this manga I read a while ago. It's about a noble girl (villainess). She gets banished from school and her parents kick her out, and then she gets picked up by a merchant envoy. Fast-forward, ...
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1 vote
2 answers
170 views

In the Time Machine (2002) did the fiancée have to die?

In some respects, the idea that somehow a new "story" is written (By whom? the Guardian of Forever? The mind of the Creator of the Universe?) each time The Time Traveler tries to save his ...
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  • 7,715
2 votes
0 answers
86 views

Book about a girl who wakes up on her birthday and she's floating

I remember it's a book about a girl who wakes up on her birthday and she's floating. During the party a guest I think falls off a cliff and she rescues them, showing she has powers, so her family ...
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30 votes
2 answers
5k views

American astronaut abducted from moon, placed in alien zoo, must work with time-traveling Roman soldier

I found this novel in English at my local library in the mid-1990's, but the book itself looked like it was from the 1950's or 60's. If I remember correctly, it had a picture of an astronaut in a ...
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13 votes
1 answer
2k views

Young adult time-travelling book with the tag-line "what if you could slip in and out of time"

Basically, what the above says; there's this book that I remember reading a long time ago in a library that I did read a few times and remember most of the plot to, but I can't remember the darn title ...
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  • 131
17 votes
1 answer
988 views

A short fiction about a dentist and a giant butterfly with bad teeth

I read this at least 30 years ago and it might be much older. It is either a short story or a shortish novelette. No memory of where I read it, probably some collection. I have a vague feeling that ...
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  • 7,622
8 votes
1 answer
175 views

TV series about alchemist from the Middle Ages traveling 500 years into the future to find a powerful, ancient machine

Alchemist travels in time from Middle Ages to the present day, using a magic portal. He meets with a boy, who is living with his parents in a huge old house, that dates back to the Middle Ages. ...
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  • 711
4 votes
0 answers
169 views

How does pruning people correct the timeline? [closed]

I feel like pruning people from timelines is a major plot hole in the way time travel in the MCU is handled. In the TV series Loki, you learn the Time Variance Authority (TVA) is controlling the ...
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  • 610
5 votes
1 answer
129 views

Book about two kids who travel through history and seeing, among other things, the death of Archimedes

I'm trying to find the title of a book a read when I was young. I read it in the early 2000s, but it was definitely not a new book at that point. The plot focused on two kids (boys I think) who ...
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