"Ass Burgers" is the eighth episode of the fifteenth season of the American animated television series South Park, and the 217th episode of the series overall. The episode is rated TV-MA-L in the United States. "Ass Burgers" first aired on Comedy Central in the United States on October 5, 2011. In the episode, which continues the events of the previous episode, "You're Getting Old", Stan's cynicism is mistakenly diagnosed as Asperger syndrome. Meanwhile, Cartman, upon mishearing the condition as "Ass burgers", opens a food stand in which the secret ingredient involves stuffing his underwear with hamburgers.