37 votes
Accepted

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

In addition to Machavity's answer there's a few instances of a character or characters travelling temporarily forward (relative to their own time if not that of the show) - Samuel Clemens traveled ...
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  • 1,720
36 votes
Accepted

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

In the Star Trek: The Next Generation episode, "Time's Arrow", some of the Enterprise-D crew travelled back to San Francisco in 1893, in order to stop some time-travelling aliens who were ...
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29 votes

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

"Dark Interlude" by Mack Reynolds and Fredric Brown A traveller is sent back to an earlier time (early 20th century America?). He reveals innocently that he's "at least one-fourth" ...
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  • 7,223
27 votes

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

Jonathan Archer was transported to the USS Enterprise NCC-1701-J at some point in the 26th century (he was in 2154 and was moved about 400 years into the future). ENT: Azati Prime (Archer leaves, ...
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  • 47.2k
24 votes
Accepted

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

This one is "Newton's Gift" by Paul Nahin from Omni, in January 1979 The story is available here Link to scan of Omni This link has a description Description of the story Time traveller ...
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  • 7,223
19 votes
Accepted

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

The Douglas Convolution series by Edward Llewellyn...? The series is comprised of three books, The Douglas Convolution (1979), The Bright Companion (1980), and Prelude to Chaos (1983). The Goodreads ...
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19 votes

Short story about time travel and refugees from the future

I am pretty sure Radiant Doors by Michael Swanwick is the story you're looking for. It was published in the September 1998 edition of Asimov's Science Fiction. The story, and a few more of Michael ...
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  • 13.4k
18 votes
Accepted

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

This sounds like The Cross-time Engineer by Leo Frankowski. #4 in the series is The Flying Warlord; #2 is The High-Tech Knight. If I remember correctly it is inspired by Lord Kalvan of Otherwhen.
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  • 1,533
16 votes

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

Berlinghoff Rasmussen, claiming to be a historian from the 26th century was actually from the 22nd and travelling in a stolen time vessel in TNG 5x09 : A Matter of Time. Having stolen the time pod in ...
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  • 860
15 votes
Accepted

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

Sounds a lot like the 2002 version of The Time Machine. In this case the ‘robot’ is the AI that personifies the New York Public Library. The moon gets slighly dented in the middle of the story.
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  • 7,832
15 votes
Accepted

Movie about time traveler staying for a fixed time

Your description matches the plot of K-PAX (2001), except that the protagonist claimed to be an alien rather than a time traveller. From Wikipedia: K-PAX is a 2001 science fiction mystery film based ...
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14 votes

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

Will you accept spin-off novels, or only onscreen episodes/movies? If you will accept the novels, Spock travels back to the 1860s in Ishmael. That's a few decades before Time's Arrow. Spock travels ...
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  • 12.2k
12 votes

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

In TNG episode "All Good Things..." Q takes Picard back to Earth 3.5 billion years in the past.
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  • 161
10 votes

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

Miles O'Brien traveled a short way into the future in "Visionary", but did not bring anything back with him other than knowledge of coming events.
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  • 8,002
9 votes

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

Time's Arrow (TNG). After being sent on a priority mission to San-Francisco to investigate the presence of aliens on Earth nearly 500 years before, the discovery of Data's head in a newly discovered ...
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8 votes
Accepted

Story with Iron Man jumping into a time portal to escape the Phoenix, before she destroyed the Earth

This is the "Iron Age" storyline (2011), which took place in Iron Age: Alpha #1, Iron Age #1-3, and Iron Age: Omega #1. The dying man you mentioned would be Donald Birch. As shown in Tales ...
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6 votes
Accepted

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

After a while of searching, I finally found it! It was called Father, I Don't Want This Marriage (not the most inspiring titles...) Juvelian is a villainess so hated by everyone that even her lover ...
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  • 161
6 votes

Short story with character living life in non-sequential segments

"If This Is Winnetka, You Must Be Judy", a novelette by F. M. Busby; first published in the 1974 anthology Universe 5 (Terry Carr, ed.), which can be borrowed (free but registration required)...
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  • 143k
5 votes

Short story with character living life in non-sequential segments

This may be "The Weed of Time" by Norman Spinrad (nope - see the other answer for the correct response) Years ago I read a story with a character who experiences their life in segments ...
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  • 7,223
5 votes

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

There's a couple of points, one of which was sort-of added by the director afterward. Here's the timeline Nebula23 travels to 2014, where she is captured by Nebula14 and Thanos14 Nebula14 is able to ...
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  • 47.2k
4 votes

Has the Slingshot Effect ever failed?

Assuming you're happy with information from the Extended Universe, it's explained in Star Trek: Department of Temporal Investigations - Forgotten History that the slingshot manuever worked exclusively ...
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  • 608k
4 votes

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

As already answered, this is probably Leo Frankowski's Cross Time Engineer/Conrad Stargard series. But if it isn't, then it could also be a much older book: L. Sprague de Camp's Lest Darkness Fall I ...
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3 votes

Timeslides: Why didn't Rimmer disappear?

One possible solution - we know that, in the words of Kryten, "the laws of time and space - who gives a smeg?". Red Dwarf breaks causality quite often, but maybe it has an out card. In the ...
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  • 833
3 votes

How many dead Dougs are obscured in Deja Vu?

Thanks for the nice analysis of the mix of "seeming immutability" with mutability, and how that implies that more time travels happened than shown in the movie. The following diagram shows a ...
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  • 131
2 votes

Manga about a stream of time which kills people who are immortal

Could it be Sprite by Ishikawa Yugo? Similar story elements about time travel, a flood that rapidly ages people and can only be seen by people who don't age, a high school girl, etc. But the girl in ...
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  • 21
1 vote

First use of time travel in fiction

This article in Wikipedia Spanish claims the oldest tale about time travel is the fairy tale of Urashima Taro dating to the 8th century. Urashima Taro. I dont know why they don't count the tale ...
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  • 5,241
1 vote

Back To The Future Flaw - why don't Marty's parents recognize him in the new future?

Marty really is George's son - so Marty looks like George. His baby pictures look like George's baby pictures, etc. So Marty happens to look a lot like a guy that Lorraine also was interested in in ...
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