Godzilla vs. Hedorah
"The Smog Monster Hedorah arrives in a shooting star!"
A shifting alien life form reaches Earth aboard a comet from a dark gaseous nebula and starts feeding on the planet's pollution. It releases plumes of sulfuric acid mist and corrosive sludge that threaten cities, crops, and even the world's famous defender. The threat grows with the creature's... Read more
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Streaming availability last verified: January 22, 2026
About Godzilla vs. Hedorah
A shifting alien life form reaches Earth aboard a comet from a dark gaseous nebula and starts feeding on the planet's pollution. It releases plumes of sulfuric acid mist and corrosive sludge that threaten cities, crops, and even the world's famous defender. The threat grows with the creature's rapid mutations, challenging scientists and military forces to keep pace. Godzilla returns to confront the invader, but the creature's toxic onslaught forces the human characters to rethink fighting fire with fire. The tension builds as the pollution menace spreads beyond conventional battle lines, forcing a grim question about humanity's footprint and the future of its iconic protector. The atmosphere feels harsher than earlier installments. Its visuals fuse documentary style with surrealism.
Directed by Yoshimitsu Banno, Godzilla vs Hedorah pushes the Godzilla franchise into ground. The film builds on an original concept by Takeshi Kimura and Toho's practical effects team delivers an urban pollution aesthetic that sets it apart from earlier entries.
It earned about $2,768,400 worldwide, a modest return given its lean budget of roughly $250,000 and the fact that it opened in a period crowded with Toho monster adventures.
Godzilla vs Hedorah stands out for its environmental angle and its take on the smog monster. The film left an impression with its visuals and themes about pollution and responsibility, challenging audiences to consider the consequences of industry and waste. It influenced eco horror within the Godzilla canon and the wider tokusatsu world and culture.
Critics noted the film's darker tone and its clear social message, a departure from typical monster battles. It invites viewers to reflect on humanity's impact on nature, the consequences of unchecked tech and industry, and the ways people respond under extraordinary pressure. The themes resonate beyond fantasy, inviting ongoing discussions about responsibility and survival in a fragile world for all.
Details
- Release Date
- July 24, 1971
- Runtime
- 1h 25m
- Rating
- G
- User Ratings
- 238 votes
- Type
- Movie
- Genres
- Science Fiction, Action, Horror
- Country
- Japan
- Collection
- Godzilla (Showa) Collection
- Studio
- TOHO +2 more
- Budget
- $250,000
- Box Office
- $2,768,400
- External Links
- View on IMDB
Official Trailer
Cast
Akira Yamanouchi
Dr. Toru Yano
Hiroyuki Kawase
Ken Yano
Toshie Kimura
Toshie Yano
Keiko Mari
Miki Fujiyama
Toshio Shiba
Yukio Keuchi
Yoshio Yoshida
Gohei - fisherman
Haruo Suzuki
JSDF Officer
Kentaro Watanabe
Announcer B
Yukihiko GondÅ
Mean General
Eisaburo Komatsu
Fisherman
Director: Yoshimitsu Banno
Written by: Takeshi Kimura