Here’s how it works. The Story Behind How It's Always Sunny And Abbott Elementary's Crossover Came To Be: 'It Moved Quickly Past Just An Aside Or A Joke' It was a funny gag in the episode ...

ABC and Quinta Brunson's Abbott Elementary is returning for Season 5 - and the crossover with It's Always Sunny in ...

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.

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

The cast of It’s Always Sunny in Philadelphia made its ... Kaitlin Olson’s Dee and Glenn Howerton’s Dennis visiting Willard R. Abbott Elementary — and at odds with Quinta Brunson’s ...

Abbott faculty finally meet in the first teaser for the long-awaited crossover episode between the two great Philly sitcoms, Abbott Elementary and It’s Always ... and Glenn Howerton’s Dennis ...

Brunson wasn’t the only person to warn unsuspecting Abbott Elementary fans about checking out It’s Always Sunny, which stars Rob McElhenney, Charlie Day, Kaitlin Olson, Glenn Howerton, and Danny ...

And this year, the network is making comedy history when the It’s Always ... Dennis (Glenn Howerton). So when is Abbott Elementary on tonight? What time does the Abbott and It’s Always Sunny ...

A crossover television event is always a thrilling prospect—not one, but two of your favorite shows coming together as one? There have been plenty of surprising combinations throughout the years: The ...

Since 2005, the FX (and FXX) sitcom “It’s Always Sunny in Philadelphia” has ... and Dee’s twin brother, Dennis (Glenn Howerton), the handsome sociopath. True to its nature, the gang ...