While searching for a fuse box in the dungeon, Herman and Grandpa discover a secret chamber and a clue to the pirate treasure hidden on the Munsters’ property.
Released: Jan 01, 1970
Runtime: 00:25:14 minutes
Genre: Comedy, Sci-Fi & Fantasy, Family
Stars: Fred Gwynne, Yvonne De Carlo, Butch Patrick, Al Lewis, Pat Priest