

The War of the Gargantuas
“A crisis, striking from the mountains and the sea! Greater Tokyo is the battlefield of death!”
Gaira, a humanoid sea beast spawned from the discarded cells of Frankenstein's monster, attacks the shores of Tokyo. While the Japanese military prepares to take action, Gaira's Gargantua brother, Sanda, descends from the mountains to defend his kin. A battle between good and evil ensues, leaving brothers divided and a city in ruins.
Where to watch The War of the Gargantuas in United States
Click a service to open The War of the Gargantuas there. Availability last verified on June 20, 2026.
Where is The War of the Gargantuas streaming around the world?
| Country | Streaming on | Rent / Buy |
|---|---|---|
| United States | YouTube TV, Criterion Channel, HBO Max, Fawesome | — |
| Canada | Criterion Channel, Tubi TV | — |
| Spain | Filmin | — |
| Japan | U-NEXT | Amazon Video, Apple TV Store, Google Play Movies |
About The War of the Gargantuas
The War of the Gargantuas is a 1966 Japanese-language action, horror and science fiction film directed by Ishirō Honda. The cast is led by Kenji Sahara, Kumi Mizuno, Russ Tamblyn. It has a runtime of 1h 28m. Viewers rate it 6.4/10 across 100 ratings. In United States, it is currently streaming on YouTube TV, Criterion Channel, HBO Max.
The War of the Gargantuas was produced by TOHO, Benedict Pictures Corp., and United Productions of America and made in Japan and United States of America. It was released on July 31, 1966, and carries a G certification.
- Director
- Ishirō Honda
- Writers
- Reuben Bercovitch, Takeshi Kimura, Ishirō Honda
- Release date
- July 31, 1966
- Original language
- Japanese
- Age rating
- G
- Status
- Released
- Country
- Japan, United States of America
- Production
- TOHO, Benedict Pictures Corp., United Productions of America
The War of the Gargantuas cast & crew
The War of the Gargantuas was directed by Ishirō Honda and written by Reuben Bercovitch, Takeshi Kimura, and Ishirō Honda.
The cast features Kenji Sahara as Dr. Yuzo Mamiya, Kumi Mizuno as Akemi Togawa, Russ Tamblyn as Dr. Paul Stewart, Jun Tazaki as General Hashimoto, Kipp Hamilton as Singer, and Yoshibumi Tajima as Officer Hirai.
Behind the camera, the score was composed by Akira Ifukube, cinematography is by Hajime Koizumi, and it was produced by Tomoyuki Tanaka and Kenichiro Tsunoda.
Is The War of the Gargantuas worth watching?
The War of the Gargantuas holds an audience score of 6.4/10 from 104 ratings, a solidly received action films.
At 1h 28m, it's an easy, time-light watch.
If you enjoy action, horror, and science fiction, The War of the Gargantuas is worth a place on your watchlist.
How and where to watch The War of the Gargantuas
In United States, you can stream The War of the Gargantuas on YouTube TV, Criterion Channel, HBO Max, Fawesome, and Tubi TV. Click any service above to open it directly.
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 The War of the Gargantuas

Kenji Sahara
Dr. Yuzo Mamiya

Kumi Mizuno
Akemi Togawa

Russ Tamblyn
Dr. Paul Stewart

Jun Tazaki
General Hashimoto

Kipp Hamilton
Singer

Yoshibumi Tajima
Officer Hirai

Nobuo Nakamura
Professor Kita

Hisaya Ito
Chief Izumida

Nadao Kirino
Lt. Col. Kazama

Ren Yamamoto
Saburo Kameda

Kōzō Nomura
General's Aide

Shōichi Hirose
Soldier
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The War of the Gargantuas — FAQs
▸Where can I watch The War of the Gargantuas in United States?
The War of the Gargantuas is streaming on YouTube TV, Criterion Channel, HBO Max, Fawesome in United States.
▸Is The War of the Gargantuas on YouTube TV?
Yes — The War of the Gargantuas is currently available on YouTube TV in United States.
▸What language is The War of the Gargantuas in?
The War of the Gargantuas is originally in Japanese. Subtitle and dub options vary by streaming service.
▸How long is The War of the Gargantuas?
The War of the Gargantuas runs 1 hours 28 minutes (88 minutes).
▸What is The War of the Gargantuas rated?
The War of the Gargantuas is rated G. It holds a 6.4/10 audience score from 104 ratings.












