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 callbacks in its witty writing.

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, ...

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 ...

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 ...

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 the two-part crossover event will occur on January 8, the exact date ...

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

We get it in our heads that some flavors could never, ever work together — only for their collision to yield something wonderful. Kids make these discoveries all the time. Inebriated people do too.

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.

“Sweet Baby Jesus and the grown one too.” The ‘Abbott Elementary’ and ‘It’s Always Sunny in Philadelphia’ crossover episode (the first of two) is officially happening. Airing January ...