The Abbott Elementary & It's Always Sunny In Philadelphia crossover had some ridiculous rivalries, but Charlie got a surprisingly uplifting subplot.

FXX's "It's Always Sunny in Philadelphia": Rob McElhenney (Ronald "Mac" McDonald), Charlie Day (Charlie Kelly), Glenn Howerton (Dennis Reynolds), Kaitlin Olson ("Sweet" Dee Reynolds), and Danny ...

FXX's "It's Always Sunny in Philadelphia": Rob McElhenney (Ronald "Mac" McDonald), Charlie Day (Charlie Kelly), Glenn Howerton (Dennis Reynolds), Kaitlin Olson ("Sweet" Dee Reynolds), and Danny ...

The anticipation for Abbott Elementary and It’s Always Sunny crossover episode has been building up among the fans of both shows for months, and Part 1 of it is finally here. Aired as Season 4 Episode ...

Brunson wasn’t the only person to warn unsuspecting Abbott Elementary fans about checking out It’s Always Sunny, which stars Rob McElhenney, Charlie Day, Kaitlin Olson, Glenn Howerton, and Danny ...

The "It's Always Sunny in Philadelphia" crew is headed to "Abbott Elementary" in the first of two crossover episodes.

Kaitlin Olson keeps using this word jabroni, and it’s awesome.As the most piled-upon member of the Paddy’s Pub Gang, Sweet ...

The cast of the long-running FX sitcom — Rob McElhenney, Glenn Howerton, Charlie Day, Danny DeVito and Kaitlin Olson — will potentially be getting schooled by Abbott Elementary’s Quinta ...

Kaitlin Olson stars in High Potential as Morgan, a single mother with an exceptional mind who helps figure out an unsolvable crime when she rearranges some evidence during her shift as a cleaner at ...

In the crossover episode, Mac (McElhenney), Charlie (Charlie Day), Dee (Kaitlin Olson), Dennis (Glenn Howerton) and Frank (Danny DeVito ... was ad-libbed by Rob,” Schumacker said. “On top of that, she ...

There was a moment during the filming of the “Abbott Elementary” and “It’s Always Sunny in Philadelphia” crossover episode that blew Quinta Brunson’s mind. It was the first scene where ...