

Great Mazinger vs. Getter Robo G: The Great Space Encounter
When a UFO arrives from space and attacks the Getter Institute, Getter Robo is launched to stop it; but the might of the UFO and its giant space monsters prove to be too much for the Getter team. Not only is Getter Robo defeated, but Ouishan is killed in action! With Getter Robo out of commission, the world's only hope appears to be Great Mazinger, but the aliens' power might also be too much for even him. Can Dr. Saotome build a new Getter Robo in time to help save Great Mazinger, Japan, and the entire world?
Where to watch Great Mazinger vs. Getter Robo G: The Great Space Encounter in United States
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Click a service to open Great Mazinger vs. Getter Robo G: The Great Space Encounter there. Availability last verified on June 20, 2026.
About Great Mazinger vs. Getter Robo G: The Great Space Encounter
Great Mazinger vs. Getter Robo G: The Great Space Encounter is a 1975 Japanese-language animation, action and science fiction film directed by Masayuki Akehi. The cast is led by Akira Kamiya, Keaton Yamada, Kazuko Sawada. It has a runtime of 0h 25m.
Great Mazinger vs. Getter Robo G: The Great Space Encounter was produced by Toei Animation and Dynamic Planning and made in Japan. It was released on July 26, 1975.
- Director
- Masayuki Akehi
- Writers
- Keisuke Fujikawa
- Release date
- July 26, 1975
- Original language
- Japanese
- Status
- Released
- Country
- Japan
- Production
- Toei Animation, Dynamic Planning
Great Mazinger vs. Getter Robo G: The Great Space Encounter cast & crew
Great Mazinger vs. Getter Robo G: The Great Space Encounter was directed by Masayuki Akehi and written by Keisuke Fujikawa.
The cast features Akira Kamiya as Ryo Nagare, Keaton Yamada as Hayato Jin, Kazuko Sawada as Shiro Kabuto, Kosei Tomita as Dr. Saotome, Rihoko Yoshida as Michiru Saotome, and Hidekatsu Shibata as Kenzo.
Behind the camera, the score was composed by Chumei Watanabe, cinematography is by Nobuyuki Sugaya, and it was produced by Chiaki Imada.
Is Great Mazinger vs. Getter Robo G: The Great Space Encounter worth watching?
At 0h 25m, it's an easy, time-light watch.
If you enjoy animation, action, and science fiction, Great Mazinger vs. Getter Robo G: The Great Space Encounter is worth a place on your watchlist.
How and where to watch Great Mazinger vs. Getter Robo G: The Great Space Encounter
Great Mazinger vs. Getter Robo G: The Great Space Encounter isn't currently available on major streaming services in United States. We track availability continuously — add it to your watchlist and we'll keep an eye out.
Streaming rights change country by country and month by month, so the options above reflect United States today — switch your country at the top of the where-to-watch section to see availability elsewhere.
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Cast of Great Mazinger vs. Getter Robo G: The Great Space Encounter

Akira Kamiya
Ryo Nagare

Keaton Yamada
Hayato Jin

Kazuko Sawada
Shiro Kabuto

Kosei Tomita
Dr. Saotome

Rihoko Yoshida
Michiru Saotome

Hidekatsu Shibata
Kenzo

Hiroshi Otake
Boss
Toku Nishio
Musashi Tomoe

Keiichi Noda
Tetsuya Tsurugi

Joji Yanami
Benkei Kuruma

Yumi Nakatani
Jun Honoo
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Great Mazinger vs. Getter Robo G: The Great Space Encounter — FAQs
▸Where can I watch Great Mazinger vs. Getter Robo G: The Great Space Encounter in United States?
Great Mazinger vs. Getter Robo G: The Great Space Encounter is not currently available on major streaming services in United States. Availability changes often — check back soon.
▸What language is Great Mazinger vs. Getter Robo G: The Great Space Encounter in?
Great Mazinger vs. Getter Robo G: The Great Space Encounter is originally in Japanese. Subtitle and dub options vary by streaming service.
▸How long is Great Mazinger vs. Getter Robo G: The Great Space Encounter?
Great Mazinger vs. Getter Robo G: The Great Space Encounter runs 0 hours 25 minutes (25 minutes).



















