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

We've waited six whole months, but Wednesday night, we finally get the second part of the highly anticipated "It's Always Sunny in Philadelphia" and "Abbott Elementary" crossover.

“Abbott Elementary” fans, you’ve never seen sweet and innocent school teacher Janine Teagues like this. But on Wednesday’s Season 17 premiere of “It’s Always Sunny in Philadelphia ...

School might be on summer break, but Patty's Pub is open year-round. Those who enjoyed seeing the gang from "It's Always Sunny in Philadelphia" as school visitors at "Abbott Elementary" earlier ...

Those who enjoyed seeing the gang from " It's Always Sunny in Philadelphia " as school visitors at " Abbott Elementary " earlier this year are in for another treat. Part two of the comedy crossover ...

PHILADELPHIA — When the narcissistic gang from "It’s Always Sunny in Philadelphia" visited the "Abbott Elementary" school in a crossover episode earlier this year, audiences got to see the two ...

In January, the characters of the FX series It's Always Sunny in Philadelphia showed up as court-appointed volunteers on an episode of the ABC sitcom Abbott Elementary. The crossover continues July 9.

Here's how the second half of the ‘Abbott Elementary’ and ‘It’s Always Sunny in Philadelphia’ crossover ended.