By Rollercoaster to Upsan Downs is the first half of the sixth episode of Wacky Races. During the race, Dick Dastardly lures the other racers into an abandoned amusement park and activates all of the rides. Professor Pat Pending later rescues them and helps them back into the race.
Winners[]
- Crimson Haybaler
- Boulder Mobile
- Arkansas Chuggabug