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

The star of the FX series also admits he was initially hesitant about the crossover concept as 'It's Always Sunny in ...

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

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

Since 2005, the FX (and FXX) sitcom “It’s Always Sunny in Philadelphia” has … well, it has also told funny stories. Riotously and raunchily funny ones. But is this comedy about selfish ...

With the first part of 'Abbott Elementary' and 'It's Always Sunny in Philadelphia's crossover airing Wednesday on ABC, ...

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.

The cast of It’s Always Sunny in Philadelphia made its way to the ABC show, which is set in Philly, for the crossover episode of comedy writers’ dreams. The brief promo for the Jan. 8 ...

In the newest Abbott episode, "Volunteers," The Gang gets educated. The Abbott Elementary/It’s Always Sunny in Philadelphia Crossover Brought Out the Weirdest of Both ...

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

Claim a square if the gang speaks to the camera crew, pitches a horrible business idea or scars a student for life.

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.