Kamen Rider Season 8, Episode 4: The Devil's Laboratory

BLACK!! Transform

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.

25 min

The Monster Party

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

25 min

Mysterious Cyborg Mystery

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

25 min

Kotaro in a Maze!

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

25 min

The Secret Sight Enigma

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

25 min

The Living Machine Restored

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.

25 min

The Devil's Trill Sonata

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.

25 min

The Crimson Lips of Bishum

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.

25 min

Where is Nobuhiko?

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

25 min

The Hungry Monsters

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

25 min

A Super-Bike Legend Is Born!

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

25 min

Mama Raises Monster Babies!

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

25 min

The Day All Tuna Vanished

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.

25 min

Assault on a Haunted School

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

25 min

Friend From Across the Sea!

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

25 min

Kyoko's Mysterious Dream!

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

25 min

Sword Saint Birugenia!!

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.

25 min

The Suffocating Trap of Hell

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

25 min

Rider's Grave

25 min

Clash! Super Machines

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

25 min

The Shadow That Stalks Dad

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

25 min

Marmo's Magical Powers

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.

25 min

The Female College Student's Nightmare

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

25 min

The Roaring Armed Machine

25 min

Rescue the ESPer Girl

A Golgom Mutant takes advantage of a girl's obsession to become strong to give her super-strength but ultimately takes control of her forcing Kotaro to save her.

25 min

The Fire Breathing Danger Road

Kotaro must avoid the dangers of the Golgom priests and an electricity controlling Mutant in order to restore power for a kid who needs vital surgery.

25 min

The Scarab Beetle's Invitation to Hell

Bilgenia uses a scarab beetle Mutant to create a craze for its minions, forcing Kotaro into a corner in trying to stem this greedy obsession.

25 min

The Targeted Death Mask

Kotaro must rescue four Japanese astronauts when they're abducted and replaced with doll-like clones controlled by a Golgom Mutant.

25 min

Aloha to the Assassin!

When a special female assassin is created by Golgom in Hawaii and sent to Japan to go after Kotaro, Kazuya Taki returns to help deal with protecting them.

25 min

Burn! Boy Warriors

The Golgom Boy Warriors reunite with Kotaro to help save children being abducted by Golgom to create a new, stronger generation of child warriors.

25 min

Dream Girl Yuki

25 min

Father, Son, and the River of Love

Kotaro must help a boy realize he can walk again even while trying to stop a Golgom plot of manipulating a river to cause chaos.

25 min

Revival? The Prince of Hell

When the Golgom Priests abduct Kyoko to speed up the revival of Shadow Moon, Bilgenia decides to take the weapon of the Century King to prove superiority and to defeat Kamen Rider Black before his rival can be born.

25 min

Fight! The Two Princes

With Kotaro barely escaping from Bilgenia, the Golgom swordsman rampages to force Black into a final showdown, hoping to stop him even as Shadow Moon finally awakens.

25 min

The War Declaration of Love and Death

As Kotaro and Kyoko cope with Nobuhiko's transformation into Shadow Moon, the new Golgom leader transforms his commanders to declare the start of Golgom's conquest of Earth.

25 min

Memories in the Yubari Sky

A Mutant attack on a friend's wedding in Hokkaido leads to Katsumi becoming Golgom's tool, forcing Kotaro to pursue them in order to save her from their grasp.

25 min

Mystery? EP-Party Boy Squad

When Golgom creates a new political party claiming they'll bring about peace, Kotaro investigates and discovers a nefarious plot using this guise.

25 min

The Idol's Evil Power

Bishium uses the identity of a girl to turn a mutant into an idol hypnotizing her fans into Golgom's mentality while tricking Kotaro into believing she is still innocent.

25 min

The Karate Master's Secret

In pursuit of a destructive Salamander Mutant, Kotaro encounters a peculiar karate master in the woods training a boy to be a fighter.

25 min

The Dangerous Time Thief

A boy brooding over his father's murder by Golgom becomes abducted by two samurai thrown out of time by a Mutant's magic time-controlling box.

25 min

Tokyo Mutant Gathering

Kotaro meets two brothers, Makoto and Yuki who has psychic powers which Yuki gets kidnap by Fly Mutant to bring the Phantom Mutants to life and begins a invasion of Tokyo. Kotaro tries to fight back and only to find the Phantom Monsters tuern themselves incorporeal to avoid his attacks! Will Kotaro find a way of how to end this madness, once and for all?

25 min

The Mutant Farm Battle

Kotaro investigates the claim of a child that something strange is happening at his apartment, leading to a discovery of its inhabitants being used to create new mutants for Golgom!

25 min

An Ocean Inside the Closet

A boy accidentally intercepts a signal associated with Baraom's warp device, forcing Kotaro to protect him and stop Golgom's plan to use it to sink Japan.

25 min

Death of Flower Mutant Bishium

Bishium uses a plot to turn women against their nurturing nature to lure Kotaro into a trap where he must face her in a final showdown where allegiances are tested.

25 min

Fierce Death of Baraom

With the death of Biishum, Baraom decides to battle Kotaro one last time in vengeance, while the beginning of an unnatural phenomenon forces Shadow Moon to make his move towards Black's King Stone!

25 min

Rider Dies!

With a limited time before the end of the Creation King, Kotaro and Shadow Moon are forced to finally have their ultimate showdown, where only one will be victorious...

25 min

A Bouquet of Reminiscence to the Sea

With Kotaro dead and Golgom standing victorious over a burning Japan, Kyoko and Katsumi try to survive until they escape their home, even as a miraculous event is occurring within the ocean...

25 min

Fierce Battle! Death of Darom

Reviving from his defeat against Shadow Moon, Kotaro discovers the current state of Japan since Golgom's victory as Darom targets his elimination to complete Shadow Moon's final ascension.

25 min

What is the Creation King's True Form?

Finally reaching Golgom's headquarters, Kotaro confronts Shadow Moon a final time as the Creation King forces the former brothers to complete their final showdown.

25 min

Gorgom's Last Day

The final battle between Black Sun and Shadow Moon comes to a bittersweet end as the final fate of Kotaro, Nobuhiko, and the Creation King is finally determined.

25 min