Paradoxes! The butterfly effect! Alternate time lines! Fatalism! All tropes of a good time-travel movie. But a great time-travel movie has all that and a cyborg assassin.Here’s a look at the top 10 time-travel movies, from dour and cerebral sci-fi examinations of fate and the moral cost of tampering with it to an ’80s comedy where a couple of teenagers nab Genghis Khan in a time-traveling phone booth to get a better grade on their history report. It takes all kinds.

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