1x01 High Rise Hair Raiser / Everyone Hyde!
First Aired: Sep. 11, 1976 on ABC
Summary: 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.
Guest Stars[no credits found]