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

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

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 Sunny in Philadelphia," which has aired on FXX since 2013.

Abbott Elementary” and “It’s Always Sunny in Philadelphia" don’t have much common ground. That’s why their collaboration felt ...

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

This matchup brought together two Philly casts: “Abbott Elementary” and “It’s Always Sunny in Philadelphia.” The crossover ...

Of course, Abbott almost definitely would have been renewed regardless of Always Sunny‘s influence. This isn’t the first ...

Absurdity, where meaning meets chaos, is woven into life. Embracing it fosters resilience, creativity, and freedom to find ...

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 Wednesday, Jan. 8, at 8:30 p.m. ET on ABC.