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.

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

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."

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

The below contains spoilers for the Abbott Elementary Season 4 premiere. Abbott Elementary is back, and with it comes the promise of an exciting new season! With Janine ( Quinta Brunson) and Gregory ( Tyler James Williams) giving their romance a go at the end of last season,

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.

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.