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A country called Back suddenly withdraws from the World Peace Union, and announces to its people a ban on invention and laughter. Astro and Dr. Ochanomizu visit the country to find out what is behind this dictatorial policy.
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