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

Of course, Abbott almost definitely would have been renewed regardless of Always Sunny‘s influence. This isn’t the first ...

The 'Abbott Elementary' EPs talk jokes cut from 'Always Sunny' crossover, including backstories for Frank and Mr. Johnson.

TV schedule really started off perfectly with a hilarious crossover of Abbott Elementary and It’s Always Sunny in ...

The anticipation for Abbott Elementary and It’s Always Sunny crossover episode has been building up among the fans of both shows for months, and Part 1 of it is finally here. Aired as Season 4 Episode ...

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ABC and Quinta Brunson's Abbott Elementary is returning for Season 5 - and the crossover with It's Always Sunny in ...

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

Charlie learns to read, Dee impersonates Ben Franklin, and Frank fights raccoons. We don't quite know what's up with Dennis though.

As of Jan. 9, the episode is available to stream on Hulu. The second crossover is expected to be an episode of "It's Always Sunny in Philadelphia," which has aired on FXX since 2013.

Claim a square if the gang speaks to the camera crew, pitches a horrible business idea or scars a student for life.

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. ABC’s official synopsis ...