Episodes
Enigma Of The Giant Robot's Appearance
February 4, 1984
An assault on a peaceful city of technology by the evil Doctor Man and the Neo Empire Gear awakens an ancient robot, who chooses five humans to awaken into becoming Bioman to face the mechanical invaders.
Gathering! Warriors Of Destiny
February 11, 1984
Doctor Man sends Fara and Psygorn to pursue Mika Koizumi about Bioman, even though she had quit the team while the other members try to win her back onto their side.
Our Friend, Bio Robot
February 18, 1984
When Bio Robo becomes unexpectedly damaged during a battle with a Mecha-Gigan, Shirou tries to get a part needed for repair only to have the powerful Monster standing in his way.
Self Destruct! Mecha Humans
February 25, 1984
Using Shirou's animal informants, Bioman discovers a Gear plot to replace humans with exploding Mecha Humans to sabotage a super-energy plant.
Kill the Unseen Enemy
March 3, 1984
In order to discourage people from indulging in a rain of coins created by an invisible Mecha Gigan controlled by Monster, Shingo decides to become a bad criminal to get the means to stop it.
Rise Up! Bio Robo
March 10, 1984
Mika's pursuit of a lead when a Mecha Gigant crash lands near a mountain leads her into a confrontation with Fara over a plot connected with a trap by Gear to stop Bio Robo.
Captured Peebo
March 17, 1984
When Peebo discovers a letter from a friend from Bio, it inspires Doctor Man to start a plot involving making the robot believe that his friend has returned after 500 years.
Fight! Vow to the Planet
March 24, 1984
As Peebo is forced to give up Bioman's secrets to Gear, the team rescues him as they decide to discover the harsh truth about Joy's ultimate fate.
The Jumprope That Erases People
March 31, 1984
Ryuuta becomes trapped within the dimension of a supercomputer by twin girl Mecha Humans being used to capture children for Gear.
Farewell, Yellow
April 7, 1984
Doctor Man develops a gun devised of Anti-Bio Particles to destroy the Bio Particles within the Bioman, forcing Mika to make a move that may ultimately prove to be fatal!
Enter, New Warrior Jun
April 14, 1984
After the passing of their teammate, Bioman search for a new Yellow4, all while they're pursued by a mischievous archer who doesn't realize what she's getting into.
Murderer Green!
April 21, 1984
Shingo begins to doubt himself when he believes that a Mecha-Human was actually the father of a boy he was trying to save.
I'm Jun!
April 28, 1984
Jun tries to figure a way to defeat Gear's newest upgrade on her own while the captain of the Olympic archery tracks her down to find out what happened to her.
Neo Intellect Brain!
May 5, 1984
When Doctor Man abandons a new Mecha Gigan-controlling super-computer that develops emotions, Hikaru tries to win it over with the concepts of love and empathy.
The Female Warrior's Flaming Oath
May 12, 1984
After being accused by Jun of not doing enough to stop a fungus being distributed by Gear, Hikaru puts it upon herself to find the means to stop their infection plans.
Run, 21599 Seconds
May 19, 1984
Jun must reach a device that will cause a massive volcanic explosion in 6 hours time, but is distracted by Fara in preventing her from reaching that goal quickly.
I Saw Ryugu Castle
May 26, 1984
Doctor Man orders the abduction of a boy related to Urashima Taro, in hopes of using his ancestor's memory to find the treasures of the undersea utopia.
Super Powered Girl's Prayer
June 2, 1984
Shingo encounters a girl who has strange visions of a Mecha Gigan attacking her town associated with a stone that gives her amazing gifts.
My Father Is Doctor Man
June 9, 1984
Doctor Man adds his 17-year old son to Gear as its new commander, with a cruelty that Ryuuta believes can be stopped.
The Prince's Challenge!
June 16, 1984
As the Bioman try to figure out how to deal with Prince and his Grotes Canth, Ryuuta tries to discover how to relate his own experiences in hopes of dealing with Doctor Man's son.
Protect The Bio Base
June 23, 1984
A Mecha-Human photographer set up by Monster takes control of an investigating Hikaru, forcing Jun to pick up where she left off in order to save her and discover the plan.
A Great Burglar!? Blue!
June 30, 1984
When Ryuuta gets involved in returning a gold statue to its original owner, it becomes complicated when Fara sends out a Ryuuta Mecha-human to steal gold for Gear.
Gyo! Attack Of The Puppets!
July 7, 1984
Bioman must protect a runaway girl who ends up with a gemstone required by Gear to perfect their new super-weapon for causing global chaos.
The Exploding Flower of Love
July 14, 1984
Shingo tries to protect the flowers of two children after Fara and a Mecha Gigan transform a field they cultivated for sale into bombs set to explode.
Prince's Ghost?
July 21, 1984
Shuichi Kageyama, a boy looking for his family, is attacked by Gear's forces as Doctor Man tries to confirm that he is actually his true long-lost son!
My Father's Dreadful Secret
July 28, 1984
As Doctor Man continues to pursue his son to join him, Shuichi receives a mysterious contact from his mother that leads to the revelation to him and Bioman of the truth regarding Gear's leader.
The Female Warriors Of Spider Hell
August 4, 1984
Hikaru and Jun become trapped in a seaside town conquered by an army of mechanical spiders that control the populace.
The Assassination of Doctor Man
August 11, 1984
Realizing the trouble of Gear being ruled by a human, the Big Three decide to assassinate Doctor Man, leading to a loyal Mechaclone to try and reach a weapon in hopes of dealing with them.
The Day Tokyo Disappeared
August 18, 1984
Demon Saber Of Mightiest Kans
August 25, 1984
New Model? Arrival Of Megas
September 1, 1984
Gear's Great Tactics Reformation
September 8, 1984
Come Forth! New Certain Kill Technique
September 15, 1984
Behold The Power Of Bio!
September 22, 1984
Series Six Boy
September 29, 1984
Transform Boy
October 6, 1984
The Assassin Silver
October 13, 1984
The Riddle Of Balzion
October 20, 1984
Meison's Trap
October 27, 1984
To Steal Turbo
November 3, 1984
The Devilish Nursemaid
November 10, 1984
Gou! To Wager One's Destiny
November 17, 1984
Sailor Suited Warrior
November 24, 1984
Beautiful Conscience Circuit
December 1, 1984
Human Bomb Jun
December 8, 1984
Escape! Village Trap
December 15, 1984
Professor Shibata's True Colors
December 22, 1984
Enter Balzion
December 29, 1984
Fearful Bio Robot
January 5, 1985
Assault! Neograd
January 12, 1985
Farewell, Peebo!
January 19, 1985