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

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

T he Gang has ruined plenty of other people’s lives on It’s Always Sunny in Philadelphia, but the biggest victim within the ...

Charlie Kelly fit so naturally into the Abbott ... show through an entirely different prism when you see it on It’s Always Sunny in Philadelphia, and that version is much less family-friendly.

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

It’s later revealed that the “Always Sunny ... which has long been referenced in “Always Sunny” with Charlie frequently accused of being illiterate or dyslexic. After previous seasons ...

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

Essentially, "bird law" is a total non-sequitur played off for laughs to show how out-of-depth Charlie is in the real world. It’s a nice wink to "Always Sunny" fans watching the crossover.

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

Charlie, meanwhile ... 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 ...