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It is thought that a highly advanced civilization might exist underground. To test this hypothesis, Astro and Uran set out on an underground expedition. There they get attacked by underground men.
Prima Aeris Date : Jan 01, 1963
Aeris ultimum diem : Dec 31, 1966
Episode : 193 Episode
Season : 1 Season
runtime: 30 minutes
Studio: Fuji TV
Patriam: Japan