When a new threat from outer space called Galaxy King arrives on Earth seeking an equation for a new type of energy, Skyrider, and the other seven Kamen Riders join forces to fight off the new foe and the armies of Neo-Shocker.
Director: Shotaro Ishinomori, Kimio Hirayama
Producer: Tōru Hirayama, Seiji Abe
Writer: Susumu Takaku
仮面ライダー 8人ライダーVS銀河王(予告編)