This is a special animated piece produced for the Nippon Television program "20th Century Hours." The story focuses on a young man who makes efforts to realize his lifetime work of building a city beneath the sea, and depicts him in a realistic drama rather than in a fantasy.
Broadcast via Nippon Television "20th Century Hours" / 45 minutes and 17 seconds / In Color
Mushi Production Commercial Firm / February 2, 1969, Sunday 10:30-11:30 PM
Original Plan and Supervisor: Tezuka Osamu
Producers: Murai Mitsuru (Nippon Television), Ikeuchi Tatsuo (Mushi Production)
Rendition: Yamamoto Eichi, Sakamoto Yusaku
Screenplay: Yamazaki Tadaaki
Music: Yamashita Takeo
Camera: Yamaura Eji, Mori Akihiko
Character Design: Kimura Shuji
Animation: Kinoshita Renzo, Hikone Norio
Background Design: Fujimoto Shiro
Backgrounds: Matsumoto Tsuyoshi, Tsukima Hachiro
Trace: Kitaoka Mitsuyo
Coloring: Takahashi Tomiko
Special Effects: Hashizume Tomoji, Tazaki Fusao
Sound: Tashiro Atsumi, Aketagawa Susumu
Effect: Kashiwabara Mitsuru
Rendition Assistant: Shibayama Tatsuo
Editing: Furukawa Masashi, Matsuura Noriyoshi
Manager: Katayama Hideo, Kitaoka Teruhisa, Nozaki Yoshihiro
Production Desk: Kimura Oko
Production: Nippon Television, Mushi Production