- Trey Parker (Eric Cartman / Stan Marsh (voice))
- Matt Stone (Kyle Broflovski / Kenny McCormick (voice))
- Mona Marshall (Sheila Broflovski (voice))
- Jennifer Howell (Bebe Stevens (voice))
South Park — S0E13
Episode: Countdown to 1999
Air Date: 1998-12-31
Overview
Mr. Mackey counts down the seconds to 1999.