The writer of a new history on It’s Always Sunny in Philadelphia reveals what’s kept the show going strong for two decades.

A theory of why “It’s Always Sunny in Philadelphia,” an excellent show about terrible people, has stayed successful ...

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

With It's Always Sunny in Philadelphia running for 20 years, Screen Rant looks back at some of the best episodes that made ...

Season 17 of “It’s Always Sunny in Philadelphia” drops two new episodes when it premieres on July 9 and moves to weekly for ...

In Wednesday's Season 17 premiere episode of "It's Always Sunny in Philadelphia," the "Abbott Elementary" cast gets to cuss — ...

"Beyond season 18, I don't know... it could quite possibly be the end," says the star and executive producer to THR about the ...

Viewers without traditional cable can still stream the latest episode of “It’s Always Sunny in Philadelphia” live and on ...

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

After witnessing EMTs resuscitate a Paddy's patron, Mac and Dennis set out to become the pinnacle of masculinity in a new ...

It's Always Sunny in Philadelphia has a long history of putting its characters, and their doomed-to-fail acquaintances, through crazy, consequence-free situations.

Tonight's season 17, episode 3 of "It's Always Sunny in Philadelphia" is now available with free streaming options on ...