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

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

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

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

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

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

The two Philadelphia-based worlds will combine in a unique crossover episode next year. Abbott Elementary and It’s Always ...

Philadelphia-based sitcoms “Abbott Elementary” and “It's Always Sunny in Philadelphia” are planning a crossover.

The creators of the hit television shows It's Always Sunny in Philadelphia and Abbott Elementary are finally giving fans what ...

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

The creators of the hit television shows It’s Always Sunny in Philadelphia and Abbott Elementary are finally giving fans what ...

"Abbott Elementary" star Lisa Ann Walter spoke exclusively to On The Red Carpet about the "unhinged" crossover this season.