tan convinces everyone in South Park to drive Hybrid cars after Kyle moves to San Francisco. However, soon a dangerous cloud of "smug" forms over South Park.
Trey Parker Eric Cartman / Stan Marsh
Matt Stone Kyle Broflovski / Kenny McCormick
April Stewart Ms. Cartman
Mary Kay Bergman Ms. Cartman
Mona Marshall Sheila Broflovski
Trey Parker Director
Trey Parker Writer