Coming to Earth on a fallen meteorite, The microscopic alien life-form Hedorah feeds on Earth's pollution and grows into a Gigantic, ever Evolving, poisonous Gas and acid-secreting monster. Godzilla, Earth's Defender senses the Threat and Meets ''the Smog Monster'' in a Literal, Battle for Earth's Survival.
Top-billed cast
Haruo Nakajima
Kenpachirō Satsuma