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.
Producer: Seiji Abe, Tōru Hirayama
Director of Photography: Ryuji Kawasaki
Screenplay: Masaru Igami
Director: Minoru Yamada
仮面ライダー対ショッカー(予告編)