1x1 - The Scooby-Doo/Dynomutt Hour

High Rise Hair Raiser (Scooby-Doo): Scooby and friends having a high time trying to trap safecrackers. Everyone Hyde! (Dynomutt): Mr. Hyde abetted by Hyde Dog, demands to be mayor of Big City, threatening its citizens with a sinister formula that turns them into evil Hyde-like creatures.