Kotaro Minami, a youth on the run from the mysterious organization known as Golgom, begins to awaken into a horrifying new form granted to them due to their greater plans for him; making him choose to use it instead to fight them as Kamen Rider Black.

Kotaro looks for his step-brother Nobuhiko Akizuki and plans to track down Golgom's headquarters.

Kotaro investigates a bizarre string of abductions in conjunction with a scheme by Bishium to bring him down.

A cycling friend of Kotaro becomes the subject of Golgom's mad doctor experimenting to find a weakness to their escaped subject.

Kotaro investigates a town being brainwashed by a Goat kaijin, hoping to control it for Golgom to ruin an international peace conference.

Kotaro must rescue two artists abducted by Golgom to become psychic spies in order to ruin the development of technology for civilization's collapse.

A man who hates rampaging gangs is seduced by Golgom to gain the power to eliminate them, forcing Kotaro to rescue him for the sake of his sister.

Kotaro must save a musician girl whose feelings of failure lead to her becoming a member of Golgom's plot to control the world through music.

When a girl makes a deal with Bishium to distribute strange pendants in order to help Golgom conquer the city, Kotaro tries to put a stop to this deception.

Kotaro investigates suspicious auto accidents leading to the victims being used for Golgom's army for causing chaos throughout the world.

The Gorgom's plan to grow fruit for their mutants causes plants to sprout on people all over the city.

Kotaro discovers the whereabouts of a missing biker, who is raising his son to ride and protect the ultimate bike devised by his father.

Gorgom kidnaps mothers to nurture its army of mutants, and BLACK finds himself facing an implacable enemy.

Kotaro fights to stop the abduction of tuna by Professor Kuromatsu in order to gain an extract to improve the power of the Golgom mutants.

Keisuke tries to stop a Golgom scheme of using schools to mold children into model students to assist in their control of Earth.

Kotaro attempts to find the source of powerful earthquakes after meeting a mysterious man.

Golgom manipulate the dreams of Nobuhiko's sister Kyoko in order to use her life energy to save an ailing Shadow Moon.

Golgom's Creation King forces the release of a powerful yet rebellious swordsman, who decides to try and take down Kotaro on his own terms.

Bilgenia takes the guise of the doomed Professor Kuromatsu in order to lead Kotaro into a trap for his defeat.

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Bishium uses a Mutant to infect Battle Hopper with insects that make it run wild and ignore Kotaro's commands.

A boy with psychic powers becomes forewarned into thinking that Kotaro is going to harm his father even as Golgom is secretly using him.

When a head of a two-headed ammonite Mutant becomes detached by Kamen Rider Black, it ends up with a kid where it becomes his new pet.

Kotaro must save Katsumi and other college girls from a professor turned Golgom Mutant hoping to add more females to the mutant army.

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