Details
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.
- Comedy
- English
Cast & Crew
- Charlie Day , Glenn Howerton , Rob McElhenney , Kaitlin Olson , Danny DeVito
- Rob McElhenney
- Fred Savage, Thomas Lofaro, Glenn Howerton, Charlie Day, Michael Rotenberg, Rob McElhenney