The actor gave fans a glimpse at the crossover event on social media with photos showing cast members from the two shows on ...

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

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

It's Always Sunny in Philadelphia's Rob McElhenney shared a look at a Standards & Practices note that left us wondering what ...

Television star Rob McElhenney issued a challenge to fans of "It's Always Sunny in Philadelphia" while teasing the upcoming ...

As for what that board could be telling us? Well, that was the $100 challenge that McElhenney out to "Always Sunny" fans – ...

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

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

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

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

That's right, the Paddy's Pub gang and Abbott's faculty and staff will join forces for a special crossover episode. Rob ...

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