The Abbott Elementary & It's Always Sunny In Philadelphia crossover had some ridiculous rivalries, but Charlie got a surprisingly uplifting subplot.

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

The Abbott Elementary & It's Always Sunny In Philadelphia crossover had hilarious character interactions, but it hid callbacks in its witty writing.

Spoilers* In the highly anticipated ninth episode of “Abbott Elementary’s” fourth season, which aired on Wednesday, Jan. 8, ...

Brunson wasn’t the only person to warn unsuspecting Abbott Elementary fans about checking out It’s Always Sunny, which stars Rob McElhenney, Charlie Day, Kaitlin Olson, Glenn Howerton, and Danny ...

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.

Charlie Kelly fit so naturally into the Abbott ... so I was really happy that that he got acknowledged. Abbott Elementary airs new episodes of season four each Wednesday at 8:30 p.m. ET on ABC ...

Mr. Johnson and Frank's rivalry is based on absolutely nothing, and that's what makes the Abbot Elementary and It's Always ...

The fourth season of Abbott Elementary is currently airing on ABC on Wednesday nights. Every new episode is available for ...

The "Abbott Elementary" and "It's Alway Sunny in Philadelphia" crossover also marked a series high with more than 8 million ...

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

Charlie Day in "Abbott Elementary" Disney/Gilles Mingasson On The Red Carpet spoke with Lisa Ann Walter in an exclusive about the filming of the episode, where she told us "As opposed to our ...