"Pandemic 2: The Startling" is the eleventh episode in the twelfth season of the American animated television series South Park. The 178th episode of the series overall, it originally aired on Comedy Central in the United States on October 29, 2008. It is the conclusion to the previous episode, "Pandemic". In the episode, the boys discover the source of the havoc unleashed in the previous episode, and attempt to overthrow the Secretary of Homeland Security's plot for world domination. The episode was written and directed by series co-creator Trey Parker.