The Abbott Elementary and It's Always Sunny In Philadelphia crossover exceeded expectations, but Glenn Howerton's Dennis was suspiciously absent from the majority of the episode. When the shows ...

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 ...

The "Abbott Elementary" and "It's Always Sunny in Philadelphia" crossover episode ... s Always Sunny" cast does frequently. Rudnesky: Is Dennis (Glenn Howerton) a big character on the show?

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

It’s natural ... Dennis (Glenn Howerton) and Frank (Danny DeVito) are living proof of what happens when you don’t take learning of any kind seriously. Also, as any longtime “Sunny” viewer ...

Dennis (Glenn Howerton ... crossover will air at a later date since production on Season 17 of "It's Always Sunny in Philadelphia" recently finished, per the Los Angeles Times.

The casts of ‘It Always Sunny in Philadelphia’ and ‘Abbot Elementary’ reunited in New Orleans ahead of the Super Bowl LIX ...

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

Following the 'Abbott Elementary' and 'It's Always Sunny in Philadelphia' crossover, the shows' stars supported the Eagles at ...

Dennis (Glenn Howerton ... crossover will air at a later date since production on Season 17 of "It's Always Sunny in Philadelphia" recently finished, per the Los Angeles Times.