Episode 3Season 1

The Secret of Shark Island

Name: The Secret of Shark Island
Released: 1972-10-28

Aired October 28, 1972

3rd

Episode

N/A

Runtime

0.0

Rating

1972

Released

Overview

The gang meet Sonny and Cher. After being stranded on shark island, the gang decide to investigate the mysterious disappearance of a freight ship.

Don Messick

Scooby-Doo, Sebastian

Casey Kasem

Shaggy Rogers, Robin, Alexander Cabot III

Frank Welker

Fred Jones

Heather North

Daphne Blake

Nicole Jaffe

Velma Dinkley

Sonny Bono

Cher