In the film, the Crisis Empire devise a plan to defeat Kohtaro Minami by reverting him back to his old form of Kamen Rider Black and sending out several revived monsters after him. However, Kamen Rider Black is assisted by another RX, who used a time warp to help his past self. The two are joined by RX's alternate forms of Robo Rider and Bio Rider and the four Kamen Riders combine their powers to defeat the revived monsters.
Genre: Science Fiction, Action, Adventure, Drama, Horror, Mystery
Stars: Tetsuo Kurata, Toshimichi Takahashi, Atsuko Takahata, Kazunori Arai, Takayuki Kitamura, Shozo Iizuka
Crew: Yoshiaki Kobayashi (Director), Yoshio Urasawa (Writer)
Country: Japan
Language: 日本語
Studio: Ishinomori Productions, Toei Company
Runtime: 16 minutes
Quality: HD
Released: Apr 29, 1989
IMDb: 1.5