74. Mission to the Middle of the World (1964)
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.
Release date: 1964-06-13
Season number: 1
Episode number: 74
Runtime: 27 minutes
Cast
Rest of the cast - click here to expand
Kazue Tagami - Atom (voice), Youko Mizugaki - Uran, Akihiko Mitsueda - Atlas, Shingo Kanemoto - Detective Tawashi, Kiyoshi Komiyama - Cobalt, Hisashi Yokomori - Tenma Hakase, Shinpei Sakamoto - Detective Nakamura