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

Fans of ‘Abbott Elementary’ and ‘It’s Always Sunny in Philadelphia’ are finally getting the crossover episode they’ve desired ...

Philadelphia-based shows "Abbot 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 ...

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

Rob McElhenney shares a photo with both casts on the set of the ABC sitcom for Season 4 The post ‘It’s Always Sunny in ...

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

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

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

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