Overview
The fourth season of It's Always Sunny in Philadelphia, premiered on FX on September 18, 2008. The season contains 13 episodes and concluded airing on November 20, 2008.
Episodes
Mac and Dennis: Manhunters
The Gang Solves the Gas Crisis
America’s Next Top Paddy’s Billboard Model Contest
Mac’s Banging the Waitress
Paddy’s Pub: The Worst Bar in Philadelphia
Dennis Reynolds: An Erotic Life
Sweet Dee Has a Heart Attack
The Gang Cracks the Liberty Bell
The Gang Gets Extreme: Home Makeover Edition