E1 - Gray Rhino King: Harbinger of Evil
!Jul 8, 1972 - 25m
Kikaida battles Gray Rhino King and when he returns to the lab where Dr. Komyoji and Mitsuko work, Professor Gill sets it ablaze.
E2 - Green Mantis: Bizarre Killing Machine
!Jul 15, 1972 - 25m
Kikaida faces Green Mantis, who is planning a killing rampage to discredit Dr. Komyoji.
E3 - Orange Ant: Challenge to the Death
!Jul 29, 1972 - 25m
Although hindered by the sound of Professor Gill's flute, Jiro changes into Kikaida in order to battle Orange Ant.
E4 - Blue Buffalo: Fiendish Death Trap
!Aug 5, 1972 - 25m
Yukiko attempts to sneak away from DARK to visit her daughter, but she is thwarted by Blue Buffalo.
E5 - Yellow Jaguar: Claws of Evil
!Aug 12, 1972 - 25m
Professor Gill uses Yellow Jaguar to assassinate the head of the Green Project, in order to get enough carbon dioxide for his bomb.
E6 - Black Horse: Showdown at the DARK Execution Ground
!Aug 19, 1972 - 25m
DARK begins to round up all humans to be used by Black Horse, and Mitsuko and Masaru fall into their clutches.
E7 - Bull Kong: Malevolent Monster Mayhem
!Aug 26, 1972 - 25m
Bull Kong kills a man who has been campaigning against the Destructoids, and Dr. Komyoji is framed.
E8 - Carmine Spider: Menacing Blood-Sucking Laughter
!Sep 2, 1972 - 25m
In order to develop his evil formula, XR4, Prof. Gill orders Carmine Spider to find a child with Rh-negative blood.
E9 - Red Condor: Screech of Death
!Sep 9, 1972 - 25m
Red Condor kills everyone in a rural village in order to set up a base on which to conduct experiments on a biological weapon.
E10 - Scorpion Brown: The Ultimate Weapon
!Sep 16, 1972 - 25m
Scorpion Brown has stolen a newly developed weapon from the Nakabori Laboratory and DARK plans to mass produce it.
E11 - Gold Wolf: Tormented Howls from Hell
!Sep 23, 1972 - 25m
Mitsuko and Masaru are captured by Gold Wolf, and Jiro is seriously injured when he tries to save them.
E12 - Silver Cat: Ruthless Sorceress
!Sep 30, 1972 - 25m
Prof. Gill sends Silver Cat in search of the Crown of Munga, ad ancient treasure that is the key to increasing the power of future androids.
E13 - Pink Tiger: Terror at the Amusement Park
!Oct 7, 1972 - 25m
Prof. Gill orders Pink Tiger to find the design for a special circuit that Dr. Komyoji has hidden in one of his older robots at an amusement park.
E14 - Silver Tortoise: Destructoids Reborn
!Oct 14, 1972 - 25m
Prof. Gill revives the 13 Destructoids defeated by Kikaida and gives them three times their original power to test them against Silver Tortoise.
E15 - Golden Bat: Cursed Shadow from the Past
!Oct 21, 1972 - 25m
Golden Bat approaches Mitsuko and Masaru disguised as Taro, their older brother, who was supposedly killed by DARK.
E16 - Rouge Jellyfish: Invitation to the River Styx
!Oct 28, 1972 - 25m
Destructoid Rouge Jellyfish is conducting experiments with poisonous mini-jellyfish in a polluted river.
E17 - Red Hornet: Hostage Terror
!Nov 4, 1972 - 25m
Under orders from DARK, Red Hornet begins spraying toxic gasses aimed at destroying the environment.
E18 - Black Chameleon: The Grand Heist
!Nov 11, 1972 - 25m
Black Chameleon manages to hijack a load of atomic uratonium. Pursued by Jiro, he takes Mitsuko and Masaru hostage.
E19 - King Crab Maroon: Keeper of the Death Ray
!Nov 18, 1972 - 25m
King Crab Maroon steals a 50-carat emerald ring which he needs to complete his new weapon.
E20 - Blue Water Scorpion: The Skull Weed Conspiracy
!Nov 25, 1972 - 25m
Blue Water Scorpion adds a toxic substance to the drinking water, in order to turn the people into puppets of DARK.
E21 - Purple Rat: Brutal Fangs of Poison
!Dec 2, 1972 - 25m
Purple Rat steals into a laboratory dedicated to communicable diseases in order to create a new DARK plague.
E22 - White Saw Shark: Twelve-Hour Nightmare
!Dec 9, 1972 - 25m
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.
E23 - Yellow Antlion Brothers: Alphabet Attack
!Dec 16, 1972 - 25m
The Yellow Antlion Brothers create the "Alphabet Attack" strategy in order to stop the wedding of a robotics scientist.
E24 - Pink Armadillo: Sinister Temptress
!Dec 23, 1972 - 25m
Pink Armadillo transforms itself into a voluptuous woman to entice men and implant control devices in their brains.
E25 - Orange Snail: Whistle of Death
!Dec 30, 1972 - 25m
Convince by Prof. Gill that Kikaida has killed his children, Dr. Komyoji creates Orange Snail to avenge their deaths.
E26 - Green Mammoth: The Next Ice Age Project
!Jan 6, 1973 - 25m
Kikaida saves Dr. Komyoji from Green Mammoth, but Mariko is kidnapped, and Kikaida gets sprayed with an oxidizing agent.
E27 - Violet Turbo: Sinister Love
!Jan 13, 1973 - 25m
Dr. Araki, who has perfected the conscience circuit, is attacked by Violet Turbo. Jiro tries to save him, but is thwarted by Prof. Gill.
E28 - Red Devil Stinger: Making Little Boys Cry
!Jan 20, 1973 - 25m
Kikaida saves Masaru from Red Devil Stinger but gets infected by a corrosive bacteria.
E29 - Green Sponge: Third Self-Resurrection
!Jan 27, 1973 - 25m
Masaru is saved by a girl named Kaori as he is being pursued by Green Sponge. Kaori believes Masaru is a runaway and declares that she'll run away too.
E30 - Crimson Squid: Stalker of Pretty Coeds
!Feb 3, 1973 - 25m
Crimson Squid pursues a brilliant robotics expert named Shimamura Chidori. He intends to implant her brain in his own body.
E31 - Gold Octopus: Prelude to Jiro's Demise
!Feb 10, 1973 - 25m
Prof. Gill orders Gold Octopus to hasten the construction of a secret base. Kikaida tries to save a father and daughter from DARK henchmen.
E32 - Blue Electric Eel: Accordion Arm Agony
!Feb 17, 1973 - 25m
Kikaida, who has lost an arm, battles with Blue Electric Eel and finally manages to tear an arm off the Destructoid.
E33 - Mask Crab Red: Enforcer of the DARK Code
!Feb 24, 1973 - 25m
Mask Crab Red tries to kill Mitsuko, but he is thwarted by King Crab Maroon, who had been saved by her earlier.
E34 - Black Spiny Anteater: Destructoid w/Child
!Mar 3, 1973 - 25m
Prof. Gill sends Black Spiny Anteater and his daughter, Tiny Spiny, to retrieve some sensitive microfilm from the widow of a DARK victim.
E35 - Black Crow: The End of "The End"
!Mar 10, 1973 - 25m
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.
E36 - Jiro Attacks Dr. Komyoji
!Mar 17, 1973 - 25m
Blue Stag Beetle robs bank after bank in an effort to raise funds for the development of DARK's greatest Destructoid.
E37 - Hakaida: Jiro's Formidable Younger Brother
!Mar 24, 1973 - 25m
Jiro manages to save a little girl from Starfish Purple. Meanwhile, DARK forces Dr. Komyoji to create the evil warrior, Hakaida.
E38 - Hakaida: Kikaida Killer
!Mar 31, 1973 - 25m
Jiro escapes from prison, but is attacked by Hakaida. Jiro is overpowered, but Hakaida is unable to destroy him.
E39 - Kikaida: Wanted Dead or Alive
!Apr 7, 1973 - 25m
Angler Brown has plans to brainwash children and turn them into warriors. Kikaida saves the ids, but slips away quickly to avoid the police.
E40 - Crisis! Jiro Stops Functioning
!Apr 14, 1973 - 25m
Grasshopper Gray builds an antenna that amplifies sounds 3000 times. Masaru saves a young boy who is attacked by Grasshopper Gray.
E41 - Jiro Blows Apart!
!Apr 21, 1973 - 25m
Mitsuko and Masaru are lured to DARK base. Jiro stops them, but he is bushwhacked by Red Mine Toad. Then, Kikaida gets blown into pieces!
E42 - Hakaida Rebels!
!Apr 28, 1973 - 25m
Hakaida destroys Red Mine Toad. Mitsuko repairs Kikaida, but Jiro cannot transform into Kikaida. Then Hakaida is defeated by Skeleton Flying Squirrel.
E43 - Jiro's End or DARK's Demise? Final Episode
!May 5, 1973 - 25m
Mitsuko restores the brain of Hakaida's head to her father. Dr. Komyoji repairs Jiro. Kikaida corners Prof. Gill, who initiates the DARK base self-destruct sequence.
