
Godzilla vs. Megalon
1973 · Movie · G · 82 min · ★ 6.2 · 43% critics
After underground nuclear testing disrupts an undersea civilization, its leaders send a destructive monster to the surface in retaliation. A newly built robot is seized and used as a guide, setting off a chase involving spies, city-smashing attacks, and a late giant-monster showdown.
Also known as Godzilla 13 - Godzilla vs. Megalon · GVMN
Where to watch
Streaming on HBO Max and Cinemax.
1 hour to watch.
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Details
- Original title
- ゴジラ対メガロ
- Years
- 1973
- Release date
- 1973-03-17
- Language
- Japanese
- Rated
- G
- Runtime
- 82 min
- Critic score
- 43/100
- TMDB rating
- 6.2/10 (239 votes)
About
You’ll likely enjoy this if you want light, campy kaiju action, a kid-friendly vibe, and a goofy robot team-up in the spirit of King Kong Escapes; Not for you if you want a serious plot or steady Godzilla focus.
Pros: goofy monster fun; memorable robot ally; energetic final battles | Cons: messy story; very cheesy tone; little Godzilla early
Themes
- underground world
- japan
- kidnapping
- giant monster
- giant robot
- robot
- alien invasion
- stock footage
- gojira
- kaiju
- tag team
- monster island
- +2 more
Cast & crew

Katsuhiko Sasaki
as Inventor Goro Ibuki

Yutaka Hayashi
as Hiroshi Jinkawa

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

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

Robert Dunham
as Emperor Antonio of Seatopia
- GN
Gentaro Nakajima
as Truck Driver
Directed by Jun Fukuda