It's Always Sunny in Philadelphia Season 18 Scores 100% on Rotten Tomatoes
Originally published as: It's Always Sunny In Philadelphia Season 18 Debuts To Rare Rotten Tomatoes Score
It's Always Sunny in Philadelphia season 18 is defying expectations. The American sitcom, It's Always Sunny in Philadelphia, premiered in 2005 on FX and was created by Rob McElhenney, Glenn Howerton, and Charlie Day.