High Quality Content by WIKIPEDIA articles! "Canada on Strike" is the fourth episode of the twelfth season of the animated television series South Park, and the 171st episode of the series overall. It first aired on Comedy Central in the United States on April 2, 2008. In the episode, the nation of Canada, feeling disrespected by the rest of the world, goes on a general strike, demanding money, spurring the boys to raise money by creating a viral video.