Professor Daidōji has developed a gravity machine called the GX Device. Unfortunately, Shocker wants it; so they attack the professor and destroy his laboratory, but come home empty-handed. Shocker's agents find out that the plans for the GX Device are with Daidōji's daughter, who is celebrating her birthday. Now the Kamen Riders, along with FBI agent Kazuya Taki, must protect Daidōji's daughter and prevent Shocker from obtaining the plans.

• DirectorMinoru Yamada
• Release17 March 1972
• Genre
  Science Fiction / Action
• Duration0h 32m
• Budget?
• Revenue?
• Rate
  

  5.8
  4 reviews
• Productions

  Toei Company, Ishimori Productions