ABC's "Abbott Elementary" and FX's "It's Always Sunny in Philadelphia" are indeed plotting a crossover episode.

We’re also wondering if the Abbott cast will return the favor when It’s Always Sunny in Philadelphia ’s 17th season starts ...

Ahead of its return on October 9, it has been revealed that Abbott Elementary Season 4 will be featuring a crossover episode ...

In a recent Instagram post, creator and star of Abbott Elementary Quinta Brunson posed with It's Always Sunny in Philadelphia ...

Philadelphia-based shows "Abbot Elementary" and "It's Always Sunny in Philadelphia" teased a crossover episode on social ...

An Abbott Elementary and Always Sunny in Philadelphia crossover episode is in the works. Sunny creator and star Rob ...

“Abbott Elementary” star and creator, Quinta Brunson, and “It’s Always Sunny in Philadelphia” star and co-creator. Rob ...

Abbott executive producers Justin Halpern and Patrick Schumacker continued to tease the upcoming crossover episode in a ...

On Instagram, Quinta Brunson appeared to tease a crossover episode between the two Philly-centered sitcoms. And Philly is ...

Philadelphia-based shows "Abbott Elementary" and "It's Always Sunny in Philadelphia" teased a crossover episode on social ...

The rumored "Abbott Elementary" and "It's Always Sunny in Philadelphia" crossover episode appears to be happening ...

Abbott Elementary is crossing paths with It’s Always Sunny in Philadelphia. The creative minds behind the two comedy series ...