Fans are wondering how an Abbott Elementary and It’s Always Sunny in Philadelphia crossover could possibly work when the characters probably shouldn’t be allowed within a hundred yards of a school. Quinta Brunson and Rob McElhenney recently explained how the “authenticity still remains” with both of their shows in the upcoming crossover event,

The respective stars and creators of "Abbott Elementary" and "It's Always Sunny in Philadelphia" discussed how their shows came together for a crossover episode premiering Jan. 8 on ABC.

The creator-stars talk about the challenges of merging PG- and R-rated shows and which characters they wish they could keep in their own worlds forever

The actor and Quinta Brunson described how the tones of the two sitcoms would mesh and teased which characters would be paired together.