In the South Park episode "You're Getting Old" which follows "Ass Burgers", Stan celebrates which birthday?
Ass Burgers "Ass Burgers" is the eighth episode of "South Park"' s fifteenth season and the 217th episode of the series overall. It first aired in the U.S. on October 5, 2011, on Comedy Central. The episode picks up where the previous episode, "You're Getting Old", left off. Stan's cynicism is mistakenly blamed on his recent vaccinations and diagnosed as Asperger syndrome, a criticism of anti-vaccination proponents. Cartman mishears the condition as "ass burgers" and opens a food stand in which the secret ingredient involves stuffing his underwear with hamburgers. The episode is rated TV-MA-L in the United States.
Big Gay Al's Big Gay Boat Ride "Big Gay Al's Big Gay Boat Ride" is the fourth episode in the first season of the American animated television series "South Park". It originally aired on September 3, 1997 on Comedy Central in the United States. The episode was written by series co-founders Trey Parker and Matt Stone, and directed by Parker. In this episode, Stan's dog, Sparky, is revealed to be gay after humping a rival male dog. Under peer pressure, Stan tries to make him more masculine, and as a result, Sparky runs away and ends up at Big Gay Al's Big Gay Animal Sanctuary. Stan comes to understand homosexuality and tries to make everyone in South Park accept it.