The cast of "It's Always Sunny in Philadelphia" will appeared on "Abbott Elementary." Here's how to watch, when it airs and what to know about the crossover.

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

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.

Note: The following story contains spoilers from "Abbott Elementary" Season 4, Episode 9. When "Abbott Elementary" creator ...

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

A funny, faithful ‘Abbott/Sunny’ crossover episode In the most Philly moment on TV this — or any – season, the crew from ...

The 'Abbott Elementary' EPs talk jokes cut from 'Always Sunny' crossover, including backstories for Frank and Mr. Johnson.

Producers Justin Halpern and Patrick Schumacker break down the epic 'Abbott Elementary' and 'It's Always Sunny in ...

This week, step into a sauna at FDR Park, watch the Eagles head into the playoffs, and catch up on the Abbott Elementary and It’s Always Sunny crossover.

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.

To sign up, head over to Hulu and be sure to click SIGN UP FOR HULU ONLY. It’ll bring you to Hulu’s subscription page; select ...

Spoilers for the Abbott Elementary and It’s Always Sunny in Philadelphia crossover are ahead! If you haven’t watched the ...