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20 Greatest Sci-Fi TV Shows

17. MYSTERY SCIENCE THEATER 3000
(1989-1999)
They may have spent most of their time in silhouette, but the MST3K crew's legacy can now be fully revealed: By drowning out B- (or C-, or D-) movies with their chatter, Joel, Mike, Tom Servo, and Crow T. Robot directly inspired not only DVD commentary tracks but a large portion of today's blog culture. After all, where's the fun in keeping snark to yourself?