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

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

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 ...

The "It's Always Sunny in Philadelphia" crew is headed to "Abbott Elementary" in the first of two crossover episodes.

There's something about FXX's Rob McElhenney, Charlie Day, Glenn Howerton, Kaitlin Olson, and Danny DeVito-starring It's Always Sunny in Philadelphia that's bothered me over the past few years.

The cast of It’s Always Sunny in Philadelphia invades Abbott Elementary in the first teaser trailer for the comedy crossover event. It’s pretty uncommon to see shows on one network crossover ...

Producers Justin Halpern and Patrick Schumacker break down the epic 'Abbott Elementary' and 'It's Always Sunny in Philadelphia' crossover episode ...

The cast of "It's Always Sunny in Philadelphia" will appeared on "Abbott Elementary." Here's how to watch, when it airs and what to know about the crossover.

The 'Abbott Elementary' episode of the ‘It’s Always Sunny in Philadelphia’ and 'Abbott Elementary' crossover just aired. When will the ‘It’s Always Sunny' episode air? Here's what we know.

“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 ...

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.

The trailer for the crossover episode between Abbott Elementary and It’s Always Sunny In Philadelphia has been released – check it out below. The one-off show will air on ABC – the home ...