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

It's Always Sunny in Philadelphia star Danny DeVito offered a surprising update regarding when work on Season 18 is expected ...

Kaitlin Olson is very good at what she does on It's Always Sunny In Philadelphia, including sinking into a bog in one take.

A new season of It’s Always Sunny in Philadelphia is going to stream on FXX, and it promises more wild chaos from the Gang.

It's Always Sunny in Philadelphia star Charlie Day discussed the long-running series's future, including Season 18 and beyond.

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

In It's Always Sunny Season 17 Episode 2, Dee grapples with her emotions while Dennis, Mac, and Charlie try to expand their ...

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

It's Always Sunny in Philadelphia Season 17 kicks off with a premiere episode featuring beloved teachers from Abbott.

Although chaos often unfolds for the gang in ‘It’s Always Sunny in Philadelphia,’ many cast members have been happily married ...

Day and co-writer/star Rob Mac disagreed on whether or not cross over with "Abbott Elementary" and "The Golden Bachelor" in the new season ...

In January, the characters of the FX series It's Always Sunny in Philadelphia showed up as court-appointed volunteers on an episode of the ABC sitcom Abbott Elementary. The crossover continues July 9.