"Abbott Elementary" just got a bit sunnier and a tad sassier. The hit ABC sitcom is joining forces with the cast of FX's "It's Always Sunny in Philadelphia" for a two-part crossover that's sure to ...

RELATED: Charlie Day Was Eager For The Challenge Of Filming The It’s Always Sunny in Philadelphia / Abbott Elementary Crossover Episodes: “It’s Great Fodder for Comedy” If this episode was ...

The Emmy Award-winning hilarious comedy titled “Abbott Elementary” returns after the mid-season break with the highly-anticipated “It’s Always Sunny in Philadelphia” crossover ...

“We thought, OK, that then gives us an opportunity for our characters to play in their tone and to make an episode of Abbott ... like an authentic episode of Sunny,” he explained.

While Filming It’s Always Sunny And Abbott Elementary’s Crossover, The Child Actors Wanted To Take Photos With Danny DeVito For A Humorously Adorable Reason It's not Batman, Dumbo, or Matilda.

The show has become a fan favorite over the years, spinning off books, podcasts and even an Abbott Elementary crossover. WATCH ‘IT’S ALWAYS SUNNY IN PHILADELPHIA’ ONLINE ...