Inazuman

Shigeru Jo joins the evil organization Black Satan after the death of his close friend and mentor Goro Numata. He, promised power, and fueled by a desire for revenge, undergoes surgery to become one of Black Satan's super warriors. However, Shigeru knows that Black Satan were in fact the murderers of his friend; he was using Black Satan in order to gain new powers. 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. While escaping from Black Satan, Stronger meets Yuriko Misaki another cyborg warrior created by Black Satan who has the ability to transform into Electronic Wave Humanoid Tackle. Together they fight the evil Black Satan and later the Delzer Army to restore peace in Japan.

A plane crashes in the Amazon rainforest, leaving young Daisuke Yamamoto stranded without his parents. Soon adopted by an Incan tribe under the name "Amazon", he becomes a wild child, living off the land. However, his village is massacred by the Ten-Faced Demon Gorgos, who searches for the powerful GiGi Armlet to take over the world with it. The last Inca, Elder Bago, gives Amazon the GiGi Armlet for safekeeping and uses his knowledge of Incan science and magic to perform a mystic ritual on Amazon and transform him into the powerful "Kamen Rider Amazon" before dying. Now in Japan, Amazon battles the evil organization Gedon, unaware of why they pursue him. Befriending Professor Kousaka's nephew and niece, Amazon learns of the GiGi Armlet's true nature and ultimately defeats Gedon, then the Garanda Empire.

Takeshi Hongo is a promising young man with a passion for motorcycle racing. However, his dreams are suddenly ruined when he gets kidnapped by Shocker, the evil secret organization planning to dominate the world. After being remodeled into a cyborg, Takeshi escapes and swears to protect the world from the inhuman monsters.