When Frank decides to marry a prostitute, the gang tries to uncover her heart...
It's Always Sunny in Philadelphia
Season 7 (13 Episodes)
The seventh season of It's Always Sunny in Philadelphia, premiered on FX on September 15, 2011. The season contained 13 episodes, and concluded airing on December 15, 2011. The episode "How Mac Got Fat" includes scenes produced during season 6 that featured Mac, before he got fat.