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

The star of the FX series also admits he was initially hesitant about the crossover concept as 'It's Always Sunny in Philadelphia ... with something funny to do. Charlie Kelly fit so naturally ...

Back in early November, Ralph shared that her kindergarten teacher, Barbara, would be spending some quality time with Day's Charlie. "But you want to know what? I had no idea those were criminals.

The cast of It’s Always Sunny in Philadelphia made its way to ... The brief promo for the Jan. 8 crossover sees Charlie Day’s Charlie, Rob McElhenney’s Mac, Danny DeVito’s Frank, Kaitlin ...

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

Abbott faculty finally meet in the first teaser for the long-awaited crossover episode between the two great Philly sitcoms, Abbott Elementary and It’s Always Sunny in Philadelphia. The 30 ...

Charlie and Jacob? Frank and Ava? Melissa and Dee? The possibilities are thrilling. It’s Always Sunny at Abbott Elementary, so we can’t wait to see how these two legendary shows join comedic ...