It’s always busy for the It’s Always Sunny in Philadelphia cast.

The It's Always Sunny in Philadelphia half of the Abbott Elementary crossover is set to premiere in June, Rob McElhenney ...

When It’s Always Sunny in Philadelphia airs its episode featuring the main cast of Abbott Elementary in June, it’s going to ...

The Gang' cleaned up its act when it appeared on the ABC sitcom. But Rob McElhenney says the 'Abbott' teachers will curse and ...

"Hi! Are you a big 'Abbott Elementary' fan excited for the crossover episode but have never seen 'Sunny' and are excited to dive in? Great! Except…you might want to take some baby steps.

One funny bit in the crossover was that Janine insulted Dee by calling her a "bird," which the rest of the main "It’s Always Sunny" cast does frequently. Rudnesky: Is Dennis (Glenn Howerton ...

However, upon hearing this Dennis angrily walks out of shot ... First clip from the first ‘ABBOTT ELEMENTARY’ and ‘IT’S ALWAYS SUNNY IN PHILADELPHIA’ crossover episode.

If it seems like Howerton's Dennis isn't as in the mix with The Gang in this episode, there's a reason – one that will play out during the "Always Sunny" Season 17 episode. "Dennis is the key ...

Until then, I’ll be theorizing about the trouble Dennis got into off-camera and hoping those hijinks are shown on-camera during the It’s Always Sunny in Philadelphia and Abbott Elementary ...

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

The arrival of Mac (Rob McElhenney), Dennis (Glenn Howerton), Charlie ... While the characters were all 20-somethings when It’s Always Sunny in Philadelphia began, four of the five actors ...