The actors discuss playing best friends and roommates on FX's long-running comedy, which kicks off its 17th season Wednesday, ...

Charlie Day: Wait, Danny, let me tell you a story about my old, old friend here. Spell McElhenney…Spell it. Danny DeVito: I ...

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

Author Kimberly Potts’ new book out July 1, “It’s (Almost) Always Sunny in Philadelphia: How Three Friends Spent $200 to ...

Speaking exclusively to PEOPLE at PaleyLive's It’s Always Sunny In Philadelphia 20th Anniversary Celebration in Los Angeles ...

You would think a show like It's Always Sunny in Philadelphia would lose steam after 17 seasons. Instead, it's better than ...

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

Charlie Day, Danny DeVito, Rob Mac, Kaitlin Olson and Glenn Howerton at PaleyLive: "It's Always Sunny in Philadelphia" 20th Anniversary Celebration (Earl Gibson III/Deadline via Getty Images) ...

The incident involved a stunt for a Season 11 episode, in which the show’s characters were trapped in a room with a water ...

A new book about "It's Always Sunny In Philadelphia" details the outrageous sitcom's unlikely success, starring Glenn Howerton, Danny DeVito, Charlie Day, Rob McElhenney, and Kaitlin Olson.