Summary Velma's Aunt Thelma summons the Scooby-Doo Detective Agency. She's head of the Marine Institute, and their dolphins are disappearing. The scary Headless Skateboarder and the frightening Seaweed Monster are just two of the culprits the gang pursues as they unravel the mystery.
Directed : Unknown
Written : Unknown
Stars : Casey Kasem Don Messick Kellie Martin Mark L. Taylor
Genres : Adventure Comedy Mystery Animation Family
Release date : Nov 4, 1988
Countries of origin : United States Philippines Taiwan
Official sites : MeTV Toons site
Language : English
Filming locations : Los Angeles, California, USA
Production companies : Hanna-Barbera Productions
Summary Velma's Aunt Thelma summons the Scooby-Doo Detective Agency. She's head of the Marine Institute, and their dolphins are disappearing. The scary Headless Skateboarder and the frightening Seaweed Monster are just two of the culprits the gang pursues as they unravel the mystery.
Genres : Adventure Comedy Mystery Animation Family
Release date : Nov 4, 1988
Countries of origin : United States Philippines Taiwan
Official sites : MeTV Toons site
Language : English
Filming locations : Los Angeles, California, USA
Production companies : Hanna-Barbera Productions
