In Wednesday's Season 17 premiere episode of "It's Always Sunny in Philadelphia," the "Abbott Elementary" cast gets to cuss — ...

When the narcissistic gang from "It’s Always Sunny in Philadelphia" visited the "Abbott Elementary" school in a crossover ...

"Beyond season 18, I don't know... it could quite possibly be the end," says the star and executive producer to THR about the ...

It should come as no surprise to "Sunny" fans that the gang gets more out of "Abbott Elementary" than "Abbott" gets out of ...