The fifth season of It's Always Sunny in Philadelphia, premiered on FX on September 17, 2009. The season contains 12 episodes and concluded airing on December 10, 2009.
12 Episodes
  • The Gang Exploits the Mortgage Crisis
    The Gang Exploits the Mortgage CrisisEpisode 1
  • The Gang Hits the Road
    The Gang Hits the RoadEpisode 2
  • The Great Recession
    The Great RecessionEpisode 3
  • The Gang Gives Frank an Intervention
    The Gang Gives Frank an InterventionEpisode 4
  • The Waitress Is Getting Married
    The Waitress Is Getting MarriedEpisode 5
  • The World Series Defense
    The World Series DefenseEpisode 6
  • The Gang Wrestles for the Troops
    The Gang Wrestles for the TroopsEpisode 7
  • Paddy's Pub: Home of the Original Kitten Mittens
    Paddy's Pub: Home of the Original Kitten MittensEpisode 8
  • Mac and Dennis Break Up
    Mac and Dennis Break UpEpisode 9
  • The D.E.N.N.I.S. System
    The D.E.N.N.I.S. SystemEpisode 10
  • Mac and Charlie Write a Movie
    Mac and Charlie Write a MovieEpisode 11
  • The Gang Reignites the Rivalry
    The Gang Reignites the RivalryEpisode 12
Cast of Season 5
  • Charlie DayCharlie Kelly
  • Glenn HowertonDennis Reynolds
  • Rob McElhenneyRonald 'Mac' McDonald
  • Kaitlin OlsonDeandra Reynolds
  • Danny DeVitoFrank Reynolds
Watch Season 5 Videos
  • It's Always Sunny In Philadelphia: Season 5

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