Season 1

19708 EpisodesAnimation, Mystery, Comedy, Kids, Family

Cast & Crew

Don Messick

Scooby-Doo (voice)

Frank Welker

Fred Jones (voice)

Casey Kasem

Shaggy Rogers (voice)

Heather North

Daphne Blake (voice)

Nicole Jaffe

Velma Dinkley (voice)

Episode Guide

While driving back from the movies, the gang finds a strange man in the back of the Mystery Machine. They recognize it as the ghost of Mr. Hyde who is a jewel thief. They follow him to a house where they meet a descendent of Dr. Jekyll who claims to be the ghost of Hyde, but is he telling the truth?