The comedy series "It's Always Sunny in Philadelphia" is back for its thirteenth season, which premiered on September 5, 2018 on FXX.
Created by Glenn Howerton and Rob McElhenney, the show follows a group of five misfit friends, played by Glenn Howerton, Kaitlin Olson, Charlie Day, Rob McElhenney and Danny DeVito, who own an Irish bar in Philadelphia.
The series has already been renewed for a 14th season, which will tie it with "The Adventures of Ozzie and Harriet" as the longest running sitcom in TV history.
Find out more about the series after the jump.