It might be always sunny in Philadelphia, but that doesn't mean there aren't some clouds about to hit Abbott Elementary ...

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

Here's a look at our real-time thoughts on tonight's crossover between FXX's It's Always Sunny in Philadelphia and ABC's Abbott Elementary.

Watch Glenn Howerton and Jay Baruchel butt heads in trailer for tech comedy-drama BlackBerry Glenn Howerton goes bald in first look at drama about the rise and fall of BlackBerry ...

and Glenn Howerton’s Dennis scurrying away suspiciously after the gym’s scoreboard crashes to the floor. “It was kind of a joke at first, that the two shows should cross over,” he said.

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

The brief promo for the Jan. 8 crossover sees Charlie Day’s Charlie, Rob McElhenney’s Mac, Danny DeVito’s Frank, Kaitlin Olson’s Dee and Glenn Howerton’s Dennis visiting Willard R.

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.

It might be always sunny in Philadelphia, but that doesn't mean there aren't some clouds about to hit Abbott Elementary school. But Dennis isn't having it. "No, I don't think so," he says. "I know ...