I can’t wait until the It’s Always Sunny episode with the Abbott cast drops — Abbott gets back on track with a breezily ...

Episode 10 of season four of “Abbott Elementary” is called “Testing.” “Abbott Elementary” airs at 8:30 p.m. Wednesday, Jan.

Mr. Johnson and Frank's rivalry is based on absolutely nothing, and that's what makes the Abbot Elementary and It's Always ...

The educators at Abbott Elementary may not resort to the same levels of criminal mischief as the gang from Paddy’s Pub, but ...

The gang from "It's Always Sunny in Philadelphia" isn't known for being charitable. The selfish, hilariously unhinged dive ...

The Abbott Elementary & It's Always Sunny In Philadelphia crossover was a hit, but Glenn Howerton’s Dennis was mysteriously ...

Don’t miss Abbott Elementary Season 4, Episode 9! Enjoy the hilarious crossover with It's Always Sunny in Philadelphia. Watch ...

After much anticipation, the unlikely meeting of the two worlds unfolded on Wednesday's installment of "Abbott Elementary." ...

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.

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

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.

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 ...