Abbott Elementary had their own crossover episode with IASIP already aired as an Abbott Elementary episode. I believe it is the lead in to the new it's always sunny crossover episode. Maybe that's what you are thinking of? It's definitely a fun episode on its own too!
Abbott Elementary had their own crossover episode with IASIP already aired as an Abbott Elementary episode. I believe it is the lead in to the new it's always sunny crossover episode. Maybe that's what you are thinking of? It's definitely a fun episode on its own too!