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

On a very special episode of It’s Always Sunny in Philadelphia, the Paddy’s Pub Gang is going to give the teachers of Willard ...

The cast of 'It's Always Sunny In Philadelphia' (CREDIT: Tibrina Hobson/Getty Images) Two sitcoms have collided in a new clip from Abbott Elementary, where they meet the cast of It’s Always ...

Rob McElhenney is ready for the world to see the It’s Always Sunny in Philadelphia side of the show’s crossover with Abbott ...

The hit ABC sitcom is joining forces with the cast of FX's "It's Always Sunny in Philadelphia" for a two-part crossover that's sure to bring plenty of belly laughs. The collaboration commenced ...

Their next test? When the cast of “Abbott Elementary” appears in an episode of “It’s Always Sunny in Philadelphia,” as is planned for the coming season. We now know that the “Sunny ...

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

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

When will the It’s Always Sunny in Philadelphia episode air? While we know for a fact that the Abbott Elementary episode of the two-part crossover event will occur on January 8, the exact date and ...

Wednesday night’s midseason premiere episode of Abbott Elementary, aptly titled “Volunteers,” finally delivered its highly anticipated crossover encounter with the cast of FXX’s It’s Always Sunny in ...

The hit ABC sitcom is joining forces with the cast of FX's "It's Always Sunny in Philadelphia" for a two-part crossover that's sure to bring plenty of belly laughs. The collaboration commenced ...