The star of the FX series also admits he was initially hesitant about the crossover concept as 'It's Always Sunny in ...
The Abbott Elementary & It's Always Sunny In Philadelphia crossover had some ridiculous rivalries, but Charlie got a ...
As of Jan. 9, the episode is available to stream on Hulu. The second crossover is expected to be an episode of "It's Always Sunny in Philadelphia," which has aired on FXX since 2013.
Claim a square if the gang speaks to the camera crew, pitches a horrible business idea or scars a student for life.
TV schedule really started off perfectly with a hilarious crossover of Abbott Elementary and It’s Always Sunny in ...