Firefly

10. Serenity

Buffy the Vampire Slayer legend Joss Whedon’s first foray into feature filmmaking won praise from the critics but failed at the box office, partly because he chose to give his sci-fi flick a name only the Browncoats (Whedon’s cult-like followers) could appreciate. Classic sci-fi movies typically have enticing words like "war," "trek," "odyssey" or "alien" in the title. Serenity just makes me want to take a nap.

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http://www.reelzchannel.com/article/457/the-10-most-unfortunate-movie-%20titles-ever