From Earth's pollution a new monster is spawned. Hedorah, the smog monster, destroys Japan and fights Godzilla while spewing his poisonous gas to further the damage.
Godzilla vs. Hedorah (Gojira tai Hedora) is a 1971 Japanese science fiction kaiju film featuring Godzilla, produced and distributed by Toho. The film is directed by Yoshimitsu Banno, with special effects by Teruyoshi Nakano and stars Akira Yamauchi, Toshie Kimura, and Hiroyuki Kawase, with Haruo Nakajima as Godzilla and Kenpachiro Satsuma as Hedorah. Satsuma would later go on to play Godzilla for the Heisei series. Is is the 11th film in the Godzilla franchise and Shōwa series.