A great opening sequence tells you more than just a TV show's backstory: it drags you, kicking and screaming, into the show's world. A truly great opening sequence is a masterpiece of raw style. But which science fiction or fantasy TV show has the absolute best opening credits?
The other day, the internet went crazy over Justin Bieber's anthem "U Smile" slowed down 800 percent. But we slowed down the theme tunes from Doctor Who, Star Trek and other classics, and we discovered they sound just as cool.