After teasing the upcoming crossover event earlier this month, the casts of 'Abbott Elementary' and 'It's Always Sunny in ...

Abbott Elementary executive producers shared an exciting update about the show's buzzed-about crossover with Always Sunny.

It's Always Sunny in Philadelphia star Rob McElhenney has shared a first look at the show's upcoming crossover episode.

Abbott Elementary's executive producers shared details about the season four episode that will crossover with It's Always ...

In a recent Instagram post, creator and star of "Abbott Elementary" Quinta Burson poses with 'It's Always Sunny in ...

Two of the most popular Philadelphia ... gets real Sunny :),” wrote creator and star Brunson in the caption of a photo of her with McElhenney and his Sunny costar, Charlie Day.

It’s Always Sunny in Philadelphia is heading to Abbott Elementary ... significant storyline” for It’s Always Sunny‘s Charlie Day. Is that because Charlie once worked as a school janitor ...

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

Based on the video posted by Charlie Day, it appears cameras are about to roll on FXX's It's Always Sunny in Philadelphia ...

These two iconic shows, set in Philadelphia and part of the ... These include Rob McElhenney and Charlie Day of It's Always ...

Now, Halpern and Schumacker confirm that the entire “It’s Always Sunny in Philadelphia” cast will appear in episode 409, and the storyline will take up the full half hour. “Charlie Day’s ...