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

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 highly anticipated crossover episode of “Abbott Elementary” and “It’s Always Sunny in Philadelphia” blends the raunchy, NSFW style of the FX show with the witty, family-friendly romp.

Wednesday night’s midseason premiere episode of Abbott Elementary, aptly titled “Volunteers,” finally delivered its highly ...

Charlie, Mac, Dee, Dennis and Frank will cross paths with Janine, Ava, Barbara, Gregory, Melissa, Jacob and Mr. Johnson The ...

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

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

The outrageous Abbott Elementary and It’s Always Sunny In Philadelphia crossover proved that the best combinations are ...

When the crossover was announced ... When the cast of “Abbott Elementary” appears in an episode of “It’s Always Sunny in Philadelphia,” as is planned for the coming season.

Though the Season 17 premiere of It’s Always Sunny in Philadelphia ... journey to a close, Abbott Elementary‘s producers have not closed the door entirely on further crossover events.