Kamen Rider Amazon Episode 1 Man or Beast? The Cool Guy Who Came From the Jungle! ( Air Date 1974-10-19 ) Genre Action & Adventure, Sci-Fi & Fantasy, Drama category. Overview "Daisuke Yamamoto, a young Japanese man raised in the wild Amazon jungle, is forced to become Kamen Rider Amazon to fight the Gedom, who are now eying Japan for conquest.".