Japan Synopsis
ゴジラ対メガロ
“Dreaded Megalon from the undersea kingdom!”
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.
Titles With Overlapping Themes
Films and series that share thematic tags with Godzilla vs. Megalon. Number on each card indicates how many keywords overlap.
6 sharedGodzilla vs. Mechagodzilla
★ 7.0 · Japan
5 sharedKing Kong vs. Godzilla
★ 6.8 · Japan
5 sharedGodzilla vs. Hedorah
★ 6.8 · Japan
5 sharedGodzilla, Mothra and King Ghidorah: Giant Monsters All-Out Attack
★ 7.5 · Japan
5 sharedGodzilla 1985
★ 6.6 · Japan
5 sharedGodzilla Against MechaGodzilla
★ 7.4 · Japan
Other Titles From TOHO
Action + Science Fiction in Japan
324 Japan titles in our catalog blend the Action and Science Fiction genres. Below: the top-rated of them (excluding Godzilla vs. Megalon itself).
The 1972–1974 Japan Window
In the crowded 1972-1974 Japan release window, Godzilla vs. Megalon sits at #49 of 69. The leaderboard below contextualises its neighbours.
The 1970s Japan Landscape
Catalog density by release year across the 1970s in Japan, 197 titles in total. Highlighted year (yellow) is when Godzilla vs. Megalon premiered alongside 21 others.
Budget & Box Office Efficiency
At a 1h 22m runtime, production spent $9K per minute on screen and earned $12K per minute back.
Position in Catalog
Released alongside 21 other Japan films in 1973.
The 390th Japan title from Japan we index (earliest catalogued entry: 1899).
Our Japan catalog contains 4,579 titles in total (2,908 films).
Audience Engagement
168 audience reviews — more than 84% of Japan films in our index.
Review volume (84th percentile) outruns trending popularity (69th) — a durable title with sustained audience attention.
Thematic Fingerprint
Tags on Godzilla vs. Megalon, grouped by how common each theme is across the full Asian catalog. Rare tags are more distinctive signals.
- underground world · 2
- godzilla · 30
- giant robot · 24
- gojira · 13
- japan · 454
- kaiju · 77
- kidnapping · 72
- giant monster · 64
- robot · 45
Reception Benchmarks
Ranked #3,566 of 4,579 Japan films indexed here (22nd percentile by TMDB audience score).
Rating is -0.7 points below the Japan average of 6.9/10.
Among Japan Action productions specifically: #1,387 of 1,714 (top 81%).
Production Details
| Primary Country | Japan |
|---|---|
| Original Language | Japanese |
| Production Companies | TOHO, Toho Eizo Co. |
| Runtime | 1h 22m |
| Release Date | March 17, 1973 |
| IMDb | tt0070122 |