- Country: Japan
- Genres: Adventure, Animation, Sci-Fi
- Release: 1967-03-19
- Director: Yugo Serikawa
- Writers: Takashi Iijima , Shōtarō Ishinomori , Yugo Serikawa , Daisaku Shirakawa
- Language: Japanese
- Stars: Hiroyuki Ôta , Arihiro Fujimura , Hiroshi Masuoka , Hiroshi Ôtake , Judy Ongg , Kyôko Toriyama , Ryô Ishihara , Machiko Soga , Kenji Utsumi , Etsuko Ichihara
- Runtime: 60 min
- Awards: N/A
- AKA: Saibogu 009: Kaijû senso , Cyborg 009: Underground Duel , サイボーグ009 怪獣戦争 (Japan) , Cyborg 009 Contra o Monstro do Mar (Brazil)
- Plot: Cyborg 009 and his team are re-united to fight the latest menace from the Black Ghost. Before they can tackle their foe the team must overcome an army of monsters sent to stop them, including giant jellyfish, and treacherous cyborgs.
- IMDB:tt0062224
Cyborg 009: Underground Duel Cast · · · ALL
Yugo Serikawa
Director
Hiroyuki Ôta
Cyborg 009 (voice)
Arihiro Fujimura
Cyborg 006 (voice)
Hiroshi Masuoka
Cyborg 005 (voice)
Hiroshi Ôtake
Cyborg 004 (voice)
Judy Ongg
Cyborg 003 (voice)
Etsuko Ichihara
Herena
Masato Yamanouchi
Black Ghost (voice)
Joji Yanami
Dr. Isaac Gilmore (voice)