|"The Undersea Science Center"|
|Directed by||Toshihiro Iijima|
|Written by||Keisuke Fujikawa|
|Air Date||December 25th, 1966|
To be added
Actor's name on the left, character played on the right.
- Hikaru Urano as Narrator
- Susumu Kurobe as Shin Hayata
- Akiji Kobayashi as Captain Toshio Muramatsu
- Sandayu Dokumamushi as Daisuke Arashi
- Masanari Nihei as Mitsuhiro Ide
- Hiroko Sakurai as Akiko Fuji
- Akihide Tsuzawa as Isamu Hoshino
- Bin Furuya as Ultraman
- Masao Nakasone as Ultraman (grunts)
- Teruo Aragaki as Gubila
- Yasuyuki Kachi as Dr. Yamakawa
- Masao Takahashi as President Yoshimura
- Elvira Fubi as Jenny Childer
- Harold Conway as Willaim Childer
- To be added.
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