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

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

The star of the FX series also admits he was initially hesitant about the crossover concept as '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 Sunny in Philadelphia," which has aired on FXX since 2013.

When will the It’s Always Sunny in Philadelphia episode air? While we know for a fact that the Abbott Elementary episode of ...

Charlie learns to read, Dee impersonates Ben Franklin, and Frank fights raccoons. We don't quite know what's up with Dennis though.

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 the $9.99/month Hulu plan, create an account, and provide payment ...

ABC and Quinta Brunson's Abbott Elementary is returning for Season 5 - and the crossover with It's Always Sunny in ...

Premiering January 8, you can stream this must-watch episode with the help of services like Fubo, DirecTV Stream, Sling TV, and Hulu ...

A new “Abbott Elementary” episode brings volunteers from “It’s Always Sunny in Philadelphia.” The crossover episode airs ...

The “It’s Always Sunny in Philadelphia” crew is headed to “Abbott Elementary” in the first of two crossover episodes. The highly anticipated crossover episode will see Charlie (Charlie ...