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.

Fans of comedy, get ready for a landmark television event as "Abbott Elementary" and "It's Always Sunny in Philadelphia" join forces in an epic crossover episode. Rob McElhenney, the creative force behind Always Sunny,

Class is back in session, and some familiar faces are joining in. “Abbott Elementary” creator and star Quinta Brunson posted on Instagram earlier this month teasing which show will crossover with the sitcom during Season 4.

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