Godzilla vs. Hedorah
Film · July 24, 1971 · Toho

Picture: Film studio / Not freely licensed — film poster, your fair use call
A monster made of pollution. Known in the US as Godzilla vs. the Smog Monster. Directed by Yoshimitsu Banno.
Sources
- Entertainment Weekly · How to watch all 36 live-action Godzilla movies in order (Nov 6, 2026)
- Wikipedia · Godzilla vs. Hedorah