The Abbott Elementary & It's Always Sunny In Philadelphia crossover was a hit, but Glenn Howerton’s Dennis was mysteriously evasive for most of it.

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 anticipation for Abbott Elementary and It’s Always Sunny crossover episode has been building up among the fans of both ...

ABC released a huge new image gallery from the crossover event between FXX's It's Always Sunny in Philadelphia and ABC's Abbott Elementary.

In true TV crossover fashion, everyone learns a lesson when the It's Always Sunny in Philadelphia gang visits Abbott Elementary.

TV schedule really started off perfectly with a hilarious crossover of Abbott Elementary and It’s Always Sunny in ...

The crossover episode of two is the ultimate tribute to the city’s attitude, quirks, and, of course, its signature phrase: ...

Patrick Schumacker and Justin Halpern also tell TheWrap about an NSFW moment that was cut for ABC The post ‘Abbott Elementary ...

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

Mark your calendars! A super exciting crossover between two of your favorite shows, ‘Abbott Elementary’ and ‘It’s Always Sunny in Philadelphia,’ is happening this coming January 8th on ABC at 8:30 PM ...

Court-ordered community service, urine-soaked animal pelts, and a Billy Madison homage: How It’s Always Sunny infiltrated ...