Season 1
51 episodes · Feb 4, 1984
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S1E1Enigma Of The Giant Robot's Appearance
Feb 4, 198420mAn 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.
S1E2Gathering! Warriors Of Destiny
Feb 11, 198420mDoctor 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.
S1E3Our Friend, Bio Robot
Feb 18, 198420mWhen 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.
S1E4Self Destruct! Mecha Humans
Feb 25, 198420mUsing Shirou's animal informants, Bioman discovers a Gear plot to replace humans with exploding Mecha Humans to sabotage a super-energy plant.
S1E5Kill the Unseen Enemy
Mar 3, 198420mIn 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.
S1E6Rise Up! Bio Robo
Mar 10, 198420mMika'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.
S1E7Captured Peebo
Mar 17, 198420mWhen 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.
S1E8Fight! Vow to the Planet
Mar 24, 198420mAs 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.
S1E9The Jumprope That Erases People
Mar 31, 198420mRyuuta becomes trapped within the dimension of a supercomputer by twin girl Mecha Humans being used to capture children for Gear.
S1E10Farewell, Yellow
Apr 7, 198420mDoctor 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!
S1E11Enter, New Warrior Jun
Apr 14, 198420mAfter 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.
S1E12Murderer Green!
Apr 21, 198420mShingo begins to doubt himself when he believes that a Mecha-Human was actually the father of a boy he was trying to save.
S1E13I'm Jun!
Apr 28, 198420mJun 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.
S1E14Neo Intellect Brain!
May 5, 198420mWhen 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.
S1E15The Female Warrior's Flaming Oath
May 12, 198420mAfter 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.
S1E16Run, 21599 Seconds
May 19, 198420mJun 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.
S1E17I Saw Ryugu Castle
May 26, 198420mDoctor 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.
S1E18Super Powered Girl's Prayer
Jun 2, 198420mShingo encounters a girl who has strange visions of a Mecha Gigan attacking her town associated with a stone that gives her amazing gifts.
S1E19My Father Is Doctor Man
Jun 9, 198420mDoctor Man adds his 17-year old son to Gear as its new commander, with a cruelty that Ryuuta believes can be stopped.
S1E20The Prince's Challenge!
Jun 16, 198420mAs 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.
S1E21Protect The Bio Base
Jun 23, 198420mA 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.
S1E22A Great Burglar!? Blue!
Jun 30, 198420mWhen 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.
S1E23Gyo! Attack Of The Puppets!
Jul 7, 198420mBioman must protect a runaway girl who ends up with a gemstone required by Gear to perfect their new super-weapon for causing global chaos.
S1E24The Exploding Flower of Love
Jul 14, 198420mShingo 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.
S1E25Prince's Ghost?
Jul 21, 198420mShuichi 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!
S1E26My Father's Dreadful Secret
Jul 28, 198420mAs 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.
S1E27The Female Warriors Of Spider Hell
Aug 4, 198420mHikaru and Jun become trapped in a seaside town conquered by an army of mechanical spiders that control the populace.
S1E28The Assassination of Doctor Man
Aug 11, 198420mRealizing 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.
S1E29The Day Tokyo Disappeared!?
Aug 18, 198420mTrying to find a boy's lost brother, Ryuta discovers a Gear plot to suck Tokyo into multiple simultaneous black-hole bombs!
S1E30Ultimate Kans' Demon Sword
Aug 25, 198420mShirou becomes the fake fiancée of a swordmaker's daughter in order to prevent Monster from obtaining a sword for Doctor Man's final Mecha Gigan.
S1E31New Model? Arrival Of Megas
Sep 1, 198420mThe Bioman face the Beastnoids in a showdown as a comet that interferes with their powers passes Earth, all while Doctor Man decides to unveil his new secret weapon.
S1E32Gear's Great Tactics Reformation
Sep 8, 198420mAs Bioman works on a new finisher for Bio Robo, Jun tries to help out a girl whose foot is run over by a car controlled by an upgraded Psygorn.
