The anticipation for Abbott Elementary and It’s Always Sunny crossover episode has been building up among the fans of both ...

The anticipation for Abbott Elementary and It’s Always Sunny crossover episode has been building up among the fans of both ...

TV schedule really started off perfectly with a hilarious crossover of Abbott Elementary and It’s Always Sunny in ...

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 ...

The Abbott Elementary & It's Always Sunny In Philadelphia crossover had hilarious character interactions, but it hid ...

In true TV crossover fashion, everyone learns a lesson when the It's Always Sunny in Philadelphia gang visits Abbott Elementary.

Here's some background and inside jokes to help fill in some of the gaps for viewers who don't watch both Philly-based shows.

ABC released a huge new image gallery from the crossover event between FXX's It's Always Sunny in Philadelphia and ABC's Abbott Elementary.