Trey Parker, Matt Stone, Mary Kay Bergman, Isaac Hayes, Jesse Brant Howell, Anthony Cross-Thomas, Franchesca Clifford, Bruce Howell, Deb Adair, Jennifer Howell, George Clooney, Brent Spiner, Minnie Driver, Dave Foley, Eric Idle
When Stan, Kyle, Cartman and Kenny sneak into an R-rated movie featuring Canadians Terrance and Philip, they are pronounced 'corrupted', and their parents pressure the United States to wage war against Canada.