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 ...

The Gang' cleaned up its act when it appeared on the ABC sitcom. But Rob McElhenney says the 'Abbott' teachers will curse and ...

It’s always busy for the It’s Always Sunny in Philadelphia cast.

Rob McElhenney teased that the Abbott Elementary/It's Always Sunny in Philadelphia Season 17 crossover may "surprise quite a few people." ...

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 ...

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 ...

Since 2005, the FX (and FXX) sitcom “It’s Always Sunny in Philadelphia” has ... Mac (McElhenney), the dim, boyish hunk; Charlie (Charlie Day), the illiterate, easily confused handyman ...