Watch The New Scooby-doo Movies (1972вђ“1973) 6 — Direct

The group soon discovers that the island is being haunted by a Shark Monster that walks on land. As the gang investigates the mysterious disappearances and the eerie atmosphere of the island, they have to navigate a series of underground tunnels and hidden passages. Sonny and Cher provide comedic relief and musical flair as they help Scooby and the gang uncover whether the Shark God is a supernatural entity or just another villain in a suit. Key Highlights

Sonny and Cher’s banter mirrors their real-life variety show personae, adding a unique 70s flair to the episode. Watch The New Scooby-Doo Movies (1972–1973) 6

The island setting and the "Peskado Island" hotel provide a classic, spooky backdrop typical of the series' longer 60-minute format. The group soon discovers that the island is