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The Fantastic Four are lost in a Transylvanian forest while on vacation, and eventually come across an old castle. They are warned that the castle belongs to Diablo, an evil alchemist was was sealed away in the dungeon exactly 100 years ago.
First Air Date : Sep 09, 1967
Last Air date : Sep 21, 1968
Episode : 20 Episode
Season : 1 Season
Runtime: 26:14 minutes
Studio: ABC
Country: United States of America
Crew: