

Godzilla vs. Megalon
“Dreaded Megalon from the undersea kingdom! A miraculous deathblow from the wound-ridden Godzilla!”
Inventor Goro Ibuki creates a humanoid robot named Jet Jaguar. It is soon seized by an undersea race of people called the Seatopians. Using Jet Jaguar as a guide, the Seatopians send Megalon as vengeance for the nuclear tests that have devastated their society.
Where to watch Godzilla vs. Megalon in United States
Click a service to open Godzilla vs. Megalon there. Availability last verified on June 20, 2026.
Where is Godzilla vs. Megalon streaming around the world?
| Country | Streaming on | Rent / Buy |
|---|---|---|
| United States | HBO Max Amazon Channel, YouTube TV, Criterion Channel, Cinemax Amazon Channel | Apple TV Store, Fandango At Home |
| United Kingdom | — | Apple TV Store |
| Canada | Criterion Channel | Apple TV Store |
| Japan | Netflix, Amazon Prime Video, Hulu, U-NEXT | Amazon Video, Apple TV Store, Google Play Movies |
About Godzilla vs. Megalon
Godzilla vs. Megalon is a 1973 Japanese-language action, adventure and science fiction film directed by Jun Fukuda. The cast is led by Katsuhiko Sasaki, Yutaka Hayashi, Hiroyuki Kawase. It has a runtime of 1h 22m. Viewers rate it 6.2/10 across 200 ratings. In United States, it is currently streaming on HBO Max Amazon Channel, YouTube TV, Criterion Channel.
Godzilla vs. Megalon was produced by TOHO, Toho Eizo Bijutsu, and Tokyo Laboratory and made in Japan. It was released on March 17, 1973, and carries a G certification. Made on a budget of about $1 million, it went on to gross $20 million worldwide.
- Director
- Jun Fukuda
- Writers
- Jun Fukuda, Shinichi Sekizawa
- Release date
- March 17, 1973
- Original language
- Japanese
- Age rating
- G
- Status
- Released
- Country
- Japan
- Budget
- $1 million
- Box office
- $20 million
- Production
- TOHO, Toho Eizo Bijutsu, Tokyo Laboratory
Godzilla vs. Megalon cast & crew
Godzilla vs. Megalon was directed by Jun Fukuda and written by Jun Fukuda and Shinichi Sekizawa.
The cast features Katsuhiko Sasaki as Inventor Goro Ibuki, Yutaka Hayashi as Hiroshi Jinkawa, Hiroyuki Kawase as Rokuro 'Roku-chan' Ibuki, Kanta Mori as Japan Special Defense Forces Chief, Kotaro Tomita as Lead Seatopian Agent, and Ulf Otsuki as Seatopian Agent.
Behind the camera, the score was composed by Riichirō Manabe, cinematography is by Yuzuru Aizawa, and it was produced by Tomoyuki Tanaka.
Is Godzilla vs. Megalon worth watching?
Godzilla vs. Megalon holds an audience score of 6.2/10 from 239 ratings, a solidly received action films.
At 1h 22m, it's an easy, time-light watch.
If you enjoy action, adventure, and science fiction, Godzilla vs. Megalon is worth a place on your watchlist.
How and where to watch Godzilla vs. Megalon
In United States, you can stream Godzilla vs. Megalon on HBO Max Amazon Channel, YouTube TV, Criterion Channel, Cinemax Amazon Channel, and HBO Max, or rent and buy it on Apple TV Store and Fandango At Home. 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 Godzilla vs. Megalon

Katsuhiko Sasaki
Inventor Goro Ibuki

Yutaka Hayashi
Hiroshi Jinkawa

Hiroyuki Kawase
Rokuro 'Roku-chan' Ibuki
Kanta Mori
Japan Special Defense Forces Chief

Kotaro Tomita
Lead Seatopian Agent
Ulf Otsuki
Seatopian Agent
Sakyo Mikami
Truck Driver's Assistant
Fumiyo Ikeda
Man from Unit 1

Robert Dunham
Emperor Antonio of Seatopia
Gentaro Nakajima
Truck Driver
Ralph Jesser
Antonio's Aide (Radio Operator in White)
Shinji Takagi
Godzilla
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Godzilla vs. Megalon — FAQs
▸Where can I watch Godzilla vs. Megalon in United States?
Godzilla vs. Megalon is streaming on HBO Max Amazon Channel, YouTube TV, Criterion Channel, Cinemax Amazon Channel in United States.
▸Is Godzilla vs. Megalon on HBO Max Amazon Channel?
Yes — Godzilla vs. Megalon is currently available on HBO Max Amazon Channel in United States.
▸What language is Godzilla vs. Megalon in?
Godzilla vs. Megalon is originally in Japanese. Subtitle and dub options vary by streaming service.
▸How long is Godzilla vs. Megalon?
Godzilla vs. Megalon runs 1 hours 22 minutes (82 minutes).
▸What is Godzilla vs. Megalon rated?
Godzilla vs. Megalon is rated G. It holds a 6.2/10 audience score from 239 ratings.
















