99. A Deep Deep Secret (1964)
Colon-bu-bu, the explorer of the underground state of Chombo, heads for the ground hoping to see a new world. Then he meets Cobalt and takes him underground as prisoner.
Release date: 1964-12-19
Season number: 1
Episode number: 99
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