FILMYCHILL
Godzilla vs. Megalon poster

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
Worth a watch

Critics like it more than audiences.

Audience★ 6.2 from 252 ratings on TMDB
Lukewarm
CriticsFrom published reviews
Positive

The FilmyChill Score combines audience ratings and critics' reception, and updates twice a day. No studio or platform can pay for a score. How the score works

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

Runtime1h 18m — short
GenreAction / Adventure
LanguageJapanese
Best screenStream at home

Director

Jun Fukuda

Cast

Katsuhiko Sasaki
Katsuhiko Sasaki
Inventor Goro Ibuki
Yutaka Hayashi
Yutaka Hayashi
Hiroshi Jinkawa
Hiroyuki Kawase
Hiroyuki Kawase
Rokuro 'Roku-chan' Ibuki
Kotaro Tomita
Kotaro Tomita
Lead Seatopian Agent
Robert Dunham
Robert Dunham
Emperor Antonio of Seatopia
Kenpachirō Satsuma
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 →

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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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