Synopsis

Jimmy and Timmy’s experiment could win them first prize in the annual science fair.

Aired on 11/15/2017


South Park • S21E08
ActorRole
Trey Parker Trey ParkerEric Cartman / Stan Marsh (voice)
Matt Stone Matt StoneKyle Broflovski / Kenny McCormick (voice)
Mona Marshall Mona MarshallSheila Broflovski (voice)
April Stewart April StewartSharon Marsh (voice)