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

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

When the narcissistic gang from "It’s Always Sunny in Philadelphia" visited the "Abbott Elementary" school in a crossover ...

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

It's Always Sunny In Philadelphia stars Charlie Day and Danny DeVito discuss when the long-running sitcom will come to an end as season 17 begins.

Danny DeVito and Rhea Perlman's eldest daughter, Lucy DeVito, got married on June 28, the 'It’s Always Sunny in Philadelphia' ...

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 ...

The It's Always Sunny in Philadelphia cast has thoughts on the worst things the gang has ever done, though some of their ...

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