The star of the FX series also admits he was initially hesitant about the crossover concept as 'It's Always Sunny in Philadelphia' heads into its 17th season.
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.
With the first part of 'Abbott Elementary' and 'It's Always Sunny in Philadelphia's crossover airing Wednesday on ABC, ...
The "Abbott Elementary" and "It's Always Sunny in Philadelphia" crossover episode aired Wednesday, bringing together two completely different Philly sitcom casts for an epic explosion of "Go ...
Don’t miss the unexpected twist when Ava announces that a group of volunteers from the school district will be coming to lend a hand at Abbott Elementary.