The 15 season of It's Always Sunny in Philadelphia was broadcast on FXX from mercredi 1 décembre 2021 to mercredi 22 décembre 2021. It consists of 8 episodes, the first one is called "2020: A Year In Review" and the last one "The Gang Carries A Corpse Up A Mountain".
Four egocentric friends who run a neighborhood Irish pub in Philadelphia try to find their way through the adult world of work and relationships. Unfortunately, their warped views and precarious judgments often lead them to trouble, creating a myriad of uncomfortable situations that usually only get worse before they get better.