The superhero Starman is sent by the Emerald Planet to protect Earth from belligerent aliens from the Sapphire Galaxy. The Sapphireans (or "Spherions") kidnap Dr. Yamanaka and force him to use his spaceship against the Earth.
- Year: 1965
- Country: Japan, United States of America
- Genre: Action, Science Fiction
- Studio: Shintoho Company, Walter Manley Enterprises
- Keyword: spacecraft, superhero, space, alien invasion, space station
- Director: Teruo Ishii, Akira Miwa, Nagayoshi Akasaka
- Cast: Ken Utsui, Sachihiro Ohsawa, Junko Ikeuchi, Minako Yamada, Shoji Nakayama, Hiroshi Hayashi