A new “Abbott Elementary” episode brings volunteers from “It’s Always Sunny in Philadelphia.” The crossover episode airs Wednesday, Jan. 8, at 8:30 p.m. ET on ABC.

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In 2024, 9-1-1 and The Bachelor memorably joined forces for the most dramatic emergency in Bachelor Nation history. And this year, the network is making comedy history when the It’s Always Sunny in Philadelphia gang crashes Abbott Elementary for an unforgettable crossover episode.

The collaboration commences with Season 4, Episode 9, of "Abbott Elementary," airing Jan. 8, and will continue with a follow-up episode of "It's Always Sunny in Philadelphia," expected to air in the show's upcoming Season 17.

Premiering January 8, you can stream this must-watch episode with the help of services like Fubo, DirecTV Stream, Sling TV, and Hulu

It might be always sunny in Philadelphia, but that doesn't mean there aren't some clouds about to hit Abbott Elementary school. A major crossover event kicks off on Wednesday's episode of Abbott Elementary,

After more than two decades of playing Charlie Kelly, Charlie Day‘s beloved It’s Always Sunny in Philadelphia character is finally changing for the better. That’s thanks to the good-hearted Abbott Elementary characters.

The highly-anticipated Abbott Elementary and It's Always Sunny in Philadelphia crossover episode airs this week on ABC. Here's exactly when and how to watch the exciting event!