Jonny Quest - Season 1 Episode 21
While doing atmospheric research in the African savanna, Dr. Quest uncovers an inaccessibly high plateau, populated by prehistoric cavemen, who have been trained as slave laborers for diamond mining by Klaus Heinrich von Dueffel, a Nazi war criminal in hiding.
- genus: Action & Adventure, Animation
- Studio: ABC
- keyword: scientist, unusual phenomena, jonny quest
- cast: Tim Matheson, Mike Road, Danny Bravo, Don Messick
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