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Science Fiction TV shows have been a staple of the line up since almost the beginning of television. Heck, there’s even SyFy, a cable network dedicated to sci-fi television.
These are some of the best sci-fi tv shows as voted by the users are Ranker.com. Some of the shows have been on the air for years like Doctor Who, The X-Files and Babylon 5. Some only lasted a little bit like Fringe and (sadly) Firefly.
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