Pole to Pole Shaggy & Scooby-Doo Get a Clue! : Season 1 Episode 11

In order to gain immortality, Dr. Phibes plans on setting off a bomb at the end of the "Polar Bear 3000" race which will destroy all electronics across the world. Naturally, Shaggy and Scooby enter the race to make sure that he doesn't succeed.