Watch Godzilla vs. Hedorah (1972) (1971) HD Full Movie Free on SolarMovie. Watch Godzilla vs. Hedorah (1972) (1971) online free. An ever-evolving alien life form from the Dark Gaseous Nebula arrives to consume rampant pollution. ...An ever-evolving alien life form from the Dark Gaseous Nebula arrives to consume rampant pollution. Spewing mists of sulfuric acid and corrosive sludge, neither humanity or Godzilla may be able to defeat this toxic menace.