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Overview
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!
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E11. Enigma Of The Giant Robot's Appearance
1984 · 20m
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.
E22. Gathering! Warriors Of Destiny
1984 · 20m
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.
E33. Our Friend, Bio Robot
1984 · 20m
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.
E44. Self Destruct! Mecha Humans
1984 · 20m
Using Shirou's animal informants, Bioman discovers a Gear plot to replace humans with exploding Mecha Humans to sabotage a super-energy plant.
E55. Kill the Unseen Enemy
1984 · 20m
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.
E66. Rise Up! Bio Robo
1984 · 20m
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.
E77. Captured Peebo
1984 · 20m
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.
E88. Fight! Vow to the Planet
1984 · 20m
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.
E99. The Jumprope That Erases People
1984 · 20m
Ryuuta becomes trapped within the dimension of a supercomputer by twin girl Mecha Humans being used to capture children for Gear.
E1010. Farewell, Yellow
1984 · 20m
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!
E1111. Enter, New Warrior Jun
1984 · 20m
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.
E1212. Murderer Green!
1984 · 20m
Shingo begins to doubt himself when he believes that a Mecha-Human was actually the father of a boy he was trying to save.
E1313. I'm Jun!
1984 · 20m
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.
E1414. Neo Intellect Brain!
1984 · 20m
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.
E1515. The Female Warrior's Flaming Oath
1984 · 20m
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.
E1616. Run, 21599 Seconds
1984 · 20m
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.
E1717. I Saw Ryugu Castle
1984 · 20m
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.
E1818. Super Powered Girl's Prayer
1984 · 20m
Shingo encounters a girl who has strange visions of a Mecha Gigan attacking her town associated with a stone that gives her amazing gifts.
E1919. My Father Is Doctor Man
1984 · 20m
Doctor Man adds his 17-year old son to Gear as its new commander, with a cruelty that Ryuuta believes can be stopped.
E2020. The Prince's Challenge!
1984 · 20m
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.
E2121. Protect The Bio Base
1984 · 20m
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.
E2222. A Great Burglar!? Blue!
1984 · 20m
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.
E2323. Gyo! Attack Of The Puppets!
1984 · 20m
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.
E2424. The Exploding Flower of Love
1984 · 20m
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.
E2525. Prince's Ghost?
1984 · 20m
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!
E2626. My Father's Dreadful Secret
1984 · 20m
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.
E2727. The Female Warriors Of Spider Hell
1984 · 20m
Hikaru and Jun become trapped in a seaside town conquered by an army of mechanical spiders that control the populace.
E2828. The Assassination of Doctor Man
1984 · 20m
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.
E2929. The Day Tokyo Disappeared!?
1984 · 20m
Trying to find a boy's lost brother, Ryuta discovers a Gear plot to suck Tokyo into multiple simultaneous black-hole bombs!
E3030. Ultimate Kans' Demon Sword
1984 · 20m
Shirou 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.
E3131. New Model? Arrival Of Megas
1984 · 20m
The 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.
E3232. Gear's Great Tactics Reformation
1984 · 20m
As 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.
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33. Come Forth! New Certain Kill Technique
1984 · 20m
No overview available.
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34. Behold The Power Of Bio!
1984 · 20m
No overview available.
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35. Series Six Boy
1984 · 20m
No overview available.
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36. Transform Boy
1984 · 20m
No overview available.
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37. The Assassin Silver
1984 · 20m
No overview available.
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38. The Riddle Of Balzion
1984 · 20m
No overview available.
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39. Meison's Trap
1984 · 20m
No overview available.
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40. To Steal Turbo
1984 · 20m
No overview available.
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41. The Devilish Nursemaid
1984 · 20m
No overview available.
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42. Gou! To Wager One's Destiny
1984 · 20m
No overview available.
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43. Sailor Suited Warrior
1984 · 20m
No overview available.
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44. Beautiful Conscience Circuit
1984 · 20m
No overview available.
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45. Human Bomb Jun
1984 · 20m
No overview available.
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46. Escape! Village Trap
1984 · 20m
No overview available.
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47. Professor Shibata's True Colors
1984 · 20m
No overview available.
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48. Enter Balzion
1984 · 20m
No overview available.
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49. Fearful Bio Robot
1985 · 20m
No overview available.
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50. Assault! Neograd
1985 · 20m
No overview available.
E5151. Farewell, Peebo!
1985 · 20m
No overview available.
