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It's Always Sunny in Philadelphia

Season 4

8.5

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

213080
Episode 1
Sep 18, 2008
213081
Episode 2
Sep 18, 2008
213082
Episode 3
Sep 25, 2008
213083
Episode 4
Sep 25, 2008
213084
Episode 5
Oct 2, 2008
213085
Episode 6
Oct 2, 2008
213086
Episode 7
Oct 9, 2008
213087
Episode 8
Oct 16, 2008
213088
Episode 9
Oct 23, 2008
213089
Episode 10
Oct 30, 2008
213090
Episode 11
Nov 6, 2008
213091
Episode 12
Nov 13, 2008
213092
Episode 13
Nov 20, 2008