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鉄腕アトム - Season 1 Episode 74 에피소드 74
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.
- 국가 : Japan
- 유형 : Animation, Mystery, Sci-Fi & Fantasy, Kids
- 감독 : Osamu Tezuka
- 캐스트 : Mari Shimizu, Kazue Tagami, Youko Mizugaki, Akihiko Mitsueda, Seizô Katô, Shingo Kanemoto