It’s Always Sunny in Philadelphia has a much darker tone than Abbott Elementary. In fact, children often get hurt in the presence of the gang. Therefore, it’s unsurprising that some fans wondered about “the rules” of this crossover. Schumacker reassured fans of both series that the conflicting tones weren’t a problem.

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

Disney is preparing to facilitate the crossover event of the year, and not a Marvel superhero or piece of pre-existing IP is in sight. The casts of FXX‘s It’s Always Sunny in Philadelphia and ABC‘s Abbott Elementary fully united for the first time in a photo shared by It’s Always Sunny star and creator Rob

Lisa Ann Walter asked Quinta Brunson for scenes with one 'It's Always Sunny' actor for the 'Abbott Elementary' crossover episode.

"Abbott Elementary" EP Patrick Schumacker teased that some scenes from the "Always Sunny" crossover will "probably never make it to ABC."

Our first look at the upcoming It’s Always Sunny in Philadelphia and Abbott Elementary is here, courtesy of Rob McElhenney in a new photo. McElhenney took to social media to share a new photo of both casts posing inside of the titular Abbott Elementary.

Abbott Elementary' actress Sheryl Lee Ralph teases the upcoming ‘Abbott Elementary' and ‘It's Always Sunny' crossover episode.

Although an official release date for the Abbott Elementary and It’s Always Sunny crossover episode hasn’t been confirmed, it could be coming soon.