Kamen Rider Series Japanese TV special that aired on January 3, 1984. It is a special meant to introduced the character of Ryo Murasame, Kamen Rider ZX who fights the Badan Empire after they brainwashed and cyberized him and killed his sister. After being forced to kill his friend, ZX joins the Kamen Riders as they battle not only Ambassador Darkness and the Combat Roids, but also monsters from the previous organizations. Soon after, ZX joins the Kamen Riders as their 10th member.