Godzilla vs. Hedorah is a 1971 Japanese kaiju film directed by Yoshimitsu Banno and produced by Toho. It features Godzilla battling Hedorah, a pollution-born monster that grows stronger by consuming industrial waste and toxic sludge. The film is known for its environmental message, surreal visuals, and experimental style, making it one of the most distinctive entries in the Godzilla franchise. It was released as part of the Showa-era Godzilla series.