Looking for science fiction movies/TV shows in which a military force (consisting of aliens or humans, good or evil) has tactically used time travel as a means to win a war. [more inside]
posted by np312 on Apr 18, 2009 - 16 answers

I'm trying to make an expansive and widely-varied reading list of time-travel books and stories. Suggestions? [more inside]
posted by scarylarry on Mar 11, 2008 - 43 answers

Please help me name books/stories/movies where scientific experiment opens some kind of link to another dimension or timeline, with horrific results. [more inside]
posted by agropyron on Mar 22, 2006 - 59 answers

Who can recommend some good time travel fiction? (Yes, I'm a geek)
posted by Robot Johnny on Jun 10, 2004 - 46 answers