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.
| Title | Season 5 |
|---|---|
| Genres | Comedy |
| Air Date | 2009-09-17 |
| Episode Runtime | 00 Hours 28 Minutes |
| Season Number | 5 |
| Episode Count On Season 5 | 12 |
| Production Companies | 3 Arts Entertainment, Bluebush Productions, FX Productions, RCG Productions |
