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 9 of the ABC series,

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.

Season 23 of “ Hell’s Kitchen ,” starring Gordon Ramsay, continues with only a few episodes left in the intense competition this season. The coveted black jacket is the subject of a new episode that airs Thursday, Jan. 9, at 8 p.m. ET on Fox.

On Wednesday, you have not one, but two hilarious reasons to turn on your TV, as the casts of It's Always Sunny in Philadelphia and Abbott Elementary will deliver their highly anticipated first crossover episode.

During the episode nine premiere, the "It’s Always Sunny in Philadelphia" cast will join the "Abbott Elementary" team in an epic crossover episode as both shows happen to take place in Philly.

Episode nine of season four on ABC is called "Volunteers" and features the cast of "It's Always Sunny in Philadelphia."