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

The star of the FX series also admits he was initially hesitant about the crossover concept as 'It's Always Sunny in Philadelphia ... our characters that could work on their show and still ...

After much anticipation, the unlikely meeting of the two worlds unfolded on Wednesday's installment of "Abbott Elementary." ...

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

Rudnesky: On "Always Sunny," is the cast's bar considered ... A perfect example of this is the episode "Charlie Work," where Charlie orchestrates a plan involving the purchase of thousands of ...

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

“We wanted [the ‘Always Sunny’ crew] to play like ... has done some adult literacy work in the past, the crossover sees Barbara take Charlie on as a student, asking him to read a book ...

"It was a real privilege for me to get to be a part of it, to have them bring us in and make us a part of what they do, which they do so well," says the It's Always Sunny star and executive ...