The long-running TV comedy series, “It’s Always Sunny in Philadelphia,” returns Wednesday, July 9 at 9 p.m. ET on FXX.

Season 17, Episode 1 of FX's "It's Always Sunny in Philadelphia," marks part two of its crossover event with ABC's "Abbott ...

Fresh off legally changing his name to Rob Mac, creator and showrunner Rob McElhenney is set on the season 17 premiere of ...

While the actor and writer has since settled into a groove with the series, there was a point where he was worried that the ...

Howerton co-created It’s Always Sunny with co-star Rob McElhenney, reuniting in Season 17, which premieres July 9 with ‘The ...

Glenn Howerton revealed during PaleyLive's panel for the 20th anniversary of 'It's Always Sunny in Philadelphia' that he ...

For a legendary television show that was initially thought to be a short film shot on a digital camcorder by Rob McElhenney, ...

It’s Always Sunny in Philadelphia star Glenn Howerton almost quit the show over fears that the long-running sitcom, now in ...

Glenn Howerton addresses the ongoing 'It's Always Sunny in Philadelphia' fan theory about Dennis Reynolds being a serial ...

Glenn Howerton, longtime co-star of hit series “It’s Always Sunny in Philadelphia,” recently revealed why he almost exited ...

Plus, Charlie Day and Glenn Howerton tell TheWrap which other sitcom they'd love to cross over with after "Abbott Elementary.