Scooby-Doo, Where Are You! Season 1 Episode 2 A Clue for Scooby-Doo ( Air Date 1969-09-20 ) Genre Animation, Mystery, Comedy, Kids, Family category. Overview "While Scooby-Doo is surfing, he encounters a creature in a diving suit. An old sea salt tells the gang that it's the ghost of Captain Cutler who is responsible for the disappearance of many ships.".