Kamen Rider Black RX Episode 1 Child of the Sun! RX ( Air Date 1988-10-23 ) Genre Action & Adventure, Sci-Fi & Fantasy, Drama category. Overview "Some time after the defeat of Gorgom, Kohtaro Minami attempts to create a new life for himself in peace. But when the Crisis Empire arrives to conquer Earth, they come prepared to deal with the hero; forcing him to awaken a new power to face this new threat.".