Spoilers for the Abbott Elementary and It’s Always Sunny in Philadelphia crossover are ahead! If you haven’t watched the first half of this event yet, you can stream the Abbott episode with a Hulu subscription.

Note: The following story contains spoilers from "Abbott Elementary" Season 4, Episode 9. When "Abbott Elementary" creator Quinta Brunson mentioned the idea of a crossover episode with "It's Always Sunny in Philadelphia" -- fueled from a conversation with Rob McElhenney during Disney's upfronts -- showrunners Patrick Schumacker and Justin Halpern agreed it would be fun,