Godzilla vs. Megalon (1973)
Japanese · Action / Adventure · 78 min
★ 6.2 Moderate ratings 252 ratings
Released 17 Mar 1973
Page updated 20 Oct 2026
FilmyChill score
Critics like it more than audiences.
Audience★ 6.2 from 252 ratings on TMDB
LukewarmCriticsFrom published reviews
Positive
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Godzilla vs. Megalon is streaming in Japan on Netflix, Prime Video, Hulu.
What the audience says
Godzilla vs. Megalon is a middling Japanese film — fine for a one-time watch but unlikely to stay with you. It holds a 6.2/10 on TMDB from 252 ratings, right around average territory. It's a tight 78-minute watch — easy to fit into a busy night. In Japan you can stream it on Netflix, Prime Video, Hulu.
Should you spend 78 minutes on it?
78 minutes of Japanese action with adventure threaded through. Under the two-hour mark — an easy weeknight watch.
- Why
- At 6.2/10 from 252 ratings, audiences are split; the genre fit matters more than the score here.
- Skip if
- you'd rather a story driven by people than by set pieces
- Best for
- A night when you want an early finish
Story
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.
Good to know
| Runtime | 1h 18m — short |
| Genre | Action / Adventure |
| Language | Japanese |
| Best screen | Stream at home |
Director
Jun Fukuda
Cast

Katsuhiko Sasaki
Inventor Goro Ibuki

Yutaka Hayashi
Hiroshi Jinkawa

Hiroyuki Kawase
Rokuro 'Roku-chan' Ibuki

Kotaro Tomita
Lead Seatopian Agent

Robert Dunham
Emperor Antonio of Seatopia

Kenpachirō Satsuma
Gigan
Where to watch in Japan
NetflixPrime VideoHuluU-NEXT
Included with a subscription — no extra charge on these platforms.
Rent or buy
Amazon VideoApple TV StoreGoogle Play MoviesFOD
Availability as of 11 Oct 2026 — platforms may change over time.
More: Everything new on Netflix · All Netflix titles in Japan
Trailer
Find the trailer on YouTube →
If you liked this
Frequently asked
Is Godzilla vs. Megalon worth watching?
FilmyChill Score: Worth a watch — Critics like it more than audiences. It rates 6.2/10 on audience ratings. 78 minutes of Japanese action with adventure threaded through. Under the two-hour mark — an easy weeknight watch.
Where can I watch Godzilla vs. Megalon?
You can stream Godzilla vs. Megalon in Japan on Netflix, Prime Video, Hulu, U-NEXT.
When is Godzilla vs. Megalon coming to streaming?
Godzilla vs. Megalon is already streaming in Japan on Netflix, Prime Video, Hulu, U-NEXT.
What language is Godzilla vs. Megalon in?
Godzilla vs. Megalon is a Japanese film (Action / Adventure).
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