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

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

Frank agrees to help the first-grade teacher ... When the cast of “Abbott Elementary” appears in an episode of “It’s Always Sunny in Philadelphia,” as is planned for the coming season.

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

Rob McElhenney is ready for the world to see the It’s Always Sunny in Philadelphia side of the show’s crossover with Abbott ...

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

Rudnesky: How is Frank (Danny DeVito ... Inquirer review that calls Paddy’s "the worst bar in Philadelphia." In typical "Always Sunny" fashion, the Gang kidnaps and threatens the critic over ...

Charlie learns to read, Dee impersonates Ben Franklin, and Frank fights raccoons. We don't quite know what's up with Dennis though.

Rob McElhenney confirmed It's Always Sunny in Philadelphia returns in June with Season 17 and the second Abbott Elementary crossover episode.

Wednesday night’s midseason premiere episode of Abbott Elementary, aptly titled “Volunteers,” finally delivered its highly anticipated crossover encounter with the cast of FXX’s It’s Always Sunny in ...

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