Monkey Sun (孫悟空, Son Gokū, lit. Sun Wukong) is a 1959 Japanese tokusatsu fantasy action film directed by Kajirō Yamamoto, with special effects by Eiji Tsuburaya. The film was based on Journey to the West written by Wu Cheng'en and was the second adaptation of the novel by Yamamoto and Tsuburaya, after 1940's Enoken's Sun Wukong. It has never been released in the United States or dubbed and subtitled in English.