
New Kamen Rider (Skyrider): Doctor Keitarō Shido, an acclaimed scientist, has been kidnapped by the terrorist organization Neo-Shocker to exploit his expertise in robotics technology. The newly powered up Shigeru escapes from the Black Satan headquarters before they can brainwash him into following their campaign of evil and becomes Kamen Rider Stronger. However, Shigeru knows that Black Satan was, in fact, the murderers of his friend he was using Black Satan to gain new powers. He, promised power, and fueled by a desire for revenge, undergoes surgery to become one of Black Satan's super warriors. Kamen Rider Stronger: Shigeru Jo joins the evil organization Black Satan after the death of his close friend Goro Numata, who he considered his mentor. Befriending the nephew and niece of Professor Kousaka, Amazon learns the nature of the GiGi Armlet as he defeats Geddon and then the Garanda Empire. #Watch kamen rider ooo full
Arriving at Japan, Amazon battles Geddon without full knowledge of their reason for pursuing him. Elder Bago, last of the Incas, gives the GiGi Armlet to Amazon for safekeeping while using his knowledge of Incan science and magic to perform a mystical "operation" on Daisuke, transforming him into the mighty "Kamen Rider Amazon" before he died. However, Amazon's idyllic existence is cut short when Gorgos, the Ten Faced Demon, massacres his village, slaughtering everyone except himself in search of the powerful "GiGi Armlet," which gives the bearer extreme power. Soon adopted by an Incan tribe, Amazon becomes a wild child, living off the land.
Kamen Rider Amazon: A plane crashes in the Amazon rainforest, leaving young Amazon (Daisuke Yamamoto) stranded without his parents. With the very last of his robotics technology, he transforms his son into "Kamen Rider X." To avenge his father's death and ensure the safety of the entire world, Keisuke uses this technology as he battles the monstrous minions of G.O.D. Kamen Rider X: Robotics scientist Keitaro Jin and his son Keisuke become caught up in the campaign of terror by an evil organization known as "G.O.D." They are attacked, and the professor's technology stolen, but before Keitaro dies, he is still able to perform surgery on his son. Now, Shiro uses his new power to protect humanity against Destron. When the Riders were attacked, and almost killed, by Kame Bazooka, Shiro shows up as Kamen Rider V3. The Riders had no choice but to turn Shiro into a cyborg. Shiro shows up and saves their lives, but gets injured in the process. The next day, the Riders infiltrate the base, only to get caught in a trap. A vengeance-fueled Shiro asked the Riders to turn him into a cyborg. Shortly after he drove off the Destron forces, Kamen Rider 2 shows up, but too late. Hasami Jaguar then prepares to kill Junko and Shiro but is stopped by Shiro's high school teacher, Takeshi Hongo, who transformed into Kamen Rider 1. When he returned home, he found his family being murdered by the Hasami Jaguar, a jaguar monster with blades for hands.
Kamen Rider V3: One night, Shiro Kazami accidentally witnesses a murder by the evil organization Destron, making him their next target. Assisted by motorcycle race team manager Tobei Tachibana and FBI agent Kazuya Taki, the Kamen Riders fought in both solo and partnered missions against both Shocker and its successor organization Gel-Shocker. Another of Shocker's victims, freelance photographer Hayato Ichimonji, had also been given cyborg implants but was saved by Kamen Rider from the brainwashing process to become Kamen Rider #2.
With his sanity and moral conscience intact, Hongo battled Shocker's minions as the grasshopper-themed altered human (改造人間 kaizō ningen) superhero Kamen Rider 1. However, one victim named Takeshi Hongo escaped just before the final brainwashing. To further its plans for world domination, Shocker recruited its agents through kidnapping, turning their victims into mutant cyborgs, and, ultimately, brainwashing them.
Kamen Rider: The story took place in a world plagued by Shocker, a mysterious terrorist organization.