When the four boys see 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.
- Year: 1999
- Country: United States of America
- Genre: Animation, Comedy
- Studio: Paramount, Warner Bros. Pictures, Comedy Central, Scott Rudin Productions
- Keyword: hell, surrealism, world supremacy, visions of hell, elementary school, atheist, satan, demon, adult animation
- Director: Trey Parker
- Cast: Trey Parker, Matt Stone, Mary Kay Bergman, Isaac Hayes, Jesse Brant Howell, Anthony Cross-Thomas