Kamen Rider Amazon is a Japanese tokusatsu, horror, adventure television series. The fourth installment to be produced as part of the Kamen Rider Series, the series aired in Japan from late 1974 to early 1975 on the NET and Mainichi Broadcasting System. Unlike preceding Kamen Riders who were based on grasshoppers, the character of Kamen Rider Amazon was based on a komodo dragon or other large lizard.