‘Abbott Elementary’ & ‘It’s Always Sunny’ Crossover: First Promo Teases Chaos At School

Although the holidays are barely over, ABC is ready to get back to class with a new teaser for Abbott Elementary‘s upcoming crossover with It’s Always Sunny in Philadelphia. In a new promo for the two-episode event, which begins Jan. 8 on ABC with a new episode of Abbott, the teachers and staff meet the […]