List of the best 2013 science fiction movies, ranked by how many upvotes they've received by other fans of the genre. Sci-fi movies are always a solid choice if you're in the mood for watching aliens, mutants, creatures from beyond space and anything else you normally wouldn't see in a film. These are all the science fiction movies that defined the year 2013, so vote for your favorites and help them rise to the top. This poll is also a great resource for finding new movies that you haven't already seen, especially since you can watch trailers for each film right on this page. To make sure this list is as accurate as possible, please don't downvote a movie if you haven't seen it.This list below has everything from Iron Man 3 to Man of Steel. This isn't necessarily a list of all science fiction movies from 2013, but it does contain all the ones worth watching.