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

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

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 ...

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

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 ...

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

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

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

The ABC series will crossover with FX’s It’s Always Sunny in Philadelphia for Season 4. Rob McElhenney, Danny Devito and ...

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