Fall TV 2010 Returning Shows: What to Expect

(FX)
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'It's Always Sunny in Philadelphia' (FX)

Premieres: Thursday, Sept. 16

Expect to See: The sixth season kicks off with back-to-back episodes. First "Mac Fights Gay Marriage," wherein Mac fights to protect the sanctity of marriage while the rest of the gang enjoys marital bliss. Then "The Gang Buys a Boat," in which, well, the gang buys a boat.

Related:

Zap2it's Fall TV Preview

--Andrea Reiher, Zap2it