A few days before sharing that pic from the final day of Season 1's production, Kaitlin Olson revealed an easter egg for fans ...

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 ...

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

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 ...

“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 ...

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

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 ...