The New Scooby-Doo Movies

The Loch Ness Mess (1x16)

Air date: Dec 30, 1972

On a trip to Shaggy's Uncle Nathaniel house, the kids and the Harlem Globetrotters must again solve a mystery, involving three ghosts and a sea serpent who are trying to keep everyone away from a cove that contains a sunken ship filled with treasure.