South Park: Bigger, Longer, & Uncut 25th Anniversary (R)

synopsis

Stan, Kyle, Kenny, and Cartman sneak into an R-rated movie to see their favorite Canadian superstars, Terrence and Phillip. When their parents find out, they declare war on Canada. Now the boys have to stand up to their parents, stop World War III and get Satan back to Hell before he destroys the world. It's all part of a young boy's life in this quiet little redneck mountain town.