Its Always Sunny In Philadelphia - Season 3 · Verified & Popular

: The season features the core "Gang": Charlie Day (Charlie), Glenn Howerton (Dennis), Rob McElhenney (Mac), Kaitlin Olson (Dee), and Danny DeVito (Frank).

Season 3 contains several of the show's most iconic "classic" episodes: Sweet Dee's Dating a Retarded Person Its Always Sunny in Philadelphia - Season 3

: Critics noted that Season 3 was when Danny DeVito's character, Frank, truly "gelled" with the rest of the cast, transitioning from a recognizable star guest to a seamless, equally unhinged member of the ensemble. Notable Episodes & Key Moments : The season features the core "Gang": Charlie

The third season of It's Always Sunny in Philadelphia premiered on , on FX . Consisting of 15 episodes , it is the longest season in the series' history and is widely regarded as the point where the show solidified its "broader comedy" style and established the Gang's most depraved character traits. Season Overview & Production Airing Window : September 13 to November 15, 2007. Consisting of 15 episodes , it is the