Scooby-Doo and Scrappy-Doo

Season 2, Episode 6

Episode Title: Stowaways

Air Date: 1980-11-15

Overview:

Shaggy, Scooby and Scrappy mistake a boat for a floating restaurant. Once abord, they realize their mistake and spend the rest of the cruise avoiding an angry first mate who hates stowaways. To escape this dude, they use a broken lifeboat as a water ski.