Kikaider battles Gray Rhino King, and when he returns to the lab where Dr. Komyoji and Mitsuko work, Professor Gill sets it ablaze.

Although hindered by the sound of a Gill's flute, Jiro changes into Kikaider in order to battle Orange Ant.

Yukiko attempts to sneak away from the Destructoids to visit her daughter, but she is thwarted by Blue Buffalo.

Bull Kong kills a man who has been campaigning against the Destructoids, and Dr. Komyoji is framed.

In order to develop his evil apparatus, XR4, Prof. Gill orders Carmine Spider to find a child with Rh negative blood.

Mitsuko and Masaru are captured by Gold Wolf and Jiro is seriously injured by him when he tries to save them.

Professor Gill sends Silver Cat in search of some ancient treasures that hold the secret to increasing the capabilities of the androids.

Golden Bat approaches Mitsuko and Masaru in the form of Taro, their older brother, who was supposedly killed by DARK.

Destructoid Rouge Jellyfish is conducting experiments with poisonous mini-jellyfish in a polluted river.

Purple Rat steals into a laboratory dedicated to communicable diseases in order to create a new DARK plague.

White Saw Shark takes over an apartment complex and sets up a laser gun. Prof. Gill's plan is to shoot down a plane filled with special fuel into a densely populated area.

Dr. Araki, who has perfected the conscience circuit, is attacked by Violet Turbo. Jiro tries to save him, but is thwarted by Prof. Gill.

Kikaider saves Masaru from Red Devil Stinger, but gets infected by a corrosive bacteria.

Dr. Komyoji is attacked by a flock of robot crows as he works in a field. Jiro tries to help him, but is thwarted by Black Crow.

Grasshopper Gray builds an antenna that amplifies sound 3000 times. Masaru saves a young boy who is being attacked by Grasshopper Gray.