After much anticipation, the unlikely meeting of the two worlds unfolded on Wednesday's installment of "Abbott Elementary." ...

The It's Always Sunny in Philadelphia half of the Abbott Elementary crossover is set to premiere in June, Rob McElhenney ...

Okay, so let's kick things off with a "who's who" look at our major players tonight: FXX's "It's Always Sunny in Philadelphia": Rob McElhenney (Ronald "Mac" McDonald), Charlie Day (Charlie Kelly ...

The star of the FX series also admits he was initially hesitant about the crossover concept as 'It's Always Sunny in Philadelphia ... with something funny to do. Charlie Kelly fit so naturally ...

Written notes from Charlie typically consist of nonsense, incomplete sentences and childish sketches. Newcomers of "Always Sunny" could check out the episode "Flowers for Charlie" where a science ...

When “Abbott Elementary” creator Quinta Brunson mentioned the idea of a crossover episode with “It’s Always Sunny in Philadelphia” — fueled from a conversation with Rob McElhenney ...

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

It’s always busy for the It’s Always Sunny in Philadelphia cast. Charlie Day and Glenn Howerton are in movies; Rob McElhenney is buying soccer teams with Ryan Reynolds and working on Mythic ...

"It was a real privilege for me to get to be a part of it, to have them bring us in and make us a part of what they do, which they do so well," says the It's Always Sunny star and executive ...