S1E20 · May 15, 1966 · 25 min
The Undersea Humanoid Ragon
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- Scare
- Gore
- Humor
- IMDb:7.2 (18 votes)
Jun and Yuriko travel to the island of Iwanejima to investigate undersea volcanic activity. A young marine geologist, Dr. Ishii, has theorized that the entire island may soon be in danger of submerging beneath the sea.

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