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

The Emmy Award-winning hilarious comedy titled “Abbott Elementary” returns after the mid-season break with the highly-anticipated “It’s Always Sunny ... The episode restarts season four ...

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

The "Abbott Elementary" and "It's Always Sunny in Philadelphia" crossover episode aired Wednesday, bringing together two completely different Philly sitcom casts for an epic explosion of "Go Birds ...

This matchup brought together two Philly casts: “Abbott Elementary” and “It’s Always Sunny in Philadelphia.” The crossover episode was a little tame for “Sunny,” an FX show with a ...

"Abbott Elementary" is airing the 9th episode of its 4th season on Wednesday, Jan. 8 at 9:30 p.m. The episode will be a crossover with "It's Always Sunny in Philadelphia." There are several ways to ...

The “gang” from “It’s Always Sunny in Philadelphia” volunteers ... Quinta Brunson shares what it was like making the crossover episode when she was a guest on “Late Night with Seth ...

“Sweet Baby Jesus and the grown one too.” The ‘Abbott Elementary’ and ‘It’s Always Sunny in Philadelphia’ crossover episode (the first of two) is officially happening. Airing January ...

A new “Abbott Elementary” episode brings volunteers from “It’s Always Sunny in Philadelphia.” The crossover episode airs Wednesday, Jan. 8, at 8:30 p.m. ET on ABC. “Abbott Elementary ...

of "Abbott Elementary" and will continue with a follow-up episode of "It's Always Sunny in Philadelphia," expected to air in the show's upcoming Season 17. Part 1 of the Philadelphia-centric ...