While Young Sheldon revolves around the younger version of Sheldon Cooper, the beloved prequel series also features other memorable characters like the protagonist's loving and sometimes comedic fathe ...

McElhenney Shares 2 "Abbott Elementary" Characters He Would Add to "Always Sunny" Cast: "I feel like it's a tie. No offense to Quinta at all, but Sheryl Lee [Ralph, who plays kindergarten teacher ...

It was Rob McElhenney who first let it slip — via social media — that a long-rumored crossover between “Abbott Elementary” and “It’s Always Sunny in Philadelphia” was in the works.

"Abbott Elementary" returns to class with the highly anticipated crossover episode with FXX's "It's Always Sunny in Philadelphia" on January 8. ABC recently released a new promo for the episode ...