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

Ahead of its return on October 9, it has been revealed that Abbott Elementary Season 4 will be featuring a crossover episode with long-time FX comedy It’s Always Sunny in the Philadelphia. This crossover was actually first teased by the cast of the acclaimed ABC sitcom,

Historically, the art of the television crossover - when characters from one TV series show up on another TV series in an episode (or two) - unoffically began when Superman (George Reeves) from The Adventures of Superman was the guest of honor at Little Ricky’s (Keith Thibodeaux) birthday party on I Love Lucy in 1957.

It’s Always Sunny in Philadelphia and Abbott Elementary are joining forces for a special crossover episode. Quinta Brunson and Rob McElhenney both revealed the news on social media. “Season 4 of Abbott Elementary gets real Sunny :),

It’s Always Sunny in Philadelphia Season 17 may not be coming in time for the 2024 TV schedule, but apparently we don’t have to wait until next year to get the gang back together. The longtime FXX comedy is crossing over with another one of the best sitcoms of all time in Abbott Elementary during its fourth season,

After months of speculation following Quinta Brunson's tease at San Diego Comic-Con, it's been confirmed that an Abbott Elementary and It's Always Sunny in Philadelphia crossover is happening and we can't wait.