![](https://image.tmdb.org/t/p/w342/r2KUXlkfGdUz8wKir0gznnXymsh.jpg)
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While investigating unusual tremors on a tropical island in the South Pacific, Dr. Quest and Race uncover a secret ray gun base (operated by Dr. Zin and protected by hovercraft-mounted guards) hidden deep within a local volcano.
First Air Date : Sep 18, 1964
Last Air date : Mar 11, 1965
Episode : 26 Episode
Season : 1 Season
Runtime: 25 minutes
Studio: ABC
Country: United States of America