Kamen Rider Black (仮面ライダーBLACKブラック, Kamen Raidā Burakku, translated as "Masked Rider Black"), is a Japanese tokusatsu drama in Toei Company's Kamen Rider Series. It is the eighth series to debut in the Showa Era and aired as a joint collaboration between Ishimori Productions and Toei Company from October 4, 1987 to October 9, 1988 on MBS and the TBS for 51 episodes. Story : After being kidnapped by the cult Gorgom on the night of their 19th birthday, stepbrothers Kotaro Minami and Nobuhiko Akizu

Kamen Rider Black RX (仮面ライダーBLACKブラック RXアールエックス, Kamen Raidā Burakku Āru Ekkusu, Masked Rider Black RX) is a Japanese tokusatsu show in Toei Company's Kamen Rider Series. A direct sequel to Kamen Rider Black, it is the ninth and final series to debut in the Showa Era and the first to air during the Heisei Era that began on January 1989. It aired as a joint collaboration between Ishimori Productions and Toei Company from October 23, 1988 to September 24, 1989 on MBS and the TBS for 47 episodes. S