@
2017-11-15 • 22 min
Jimmy and Timmy’s experiment could win them first prize in the annual science fair.
Trey Parker
Eric Cartman / Stan Marsh (voice)
Matt Stone
Kyle Broflovski / Kenny McCormick (voice)
Mona Marshall
Sheila Broflovski (voice)
April Stewart
Sharon Marsh (voice)
Jennifer Howell
Bebe Stevens (voice)
Writer
Director
