
Five descendants of the people showered with Bio Particles by Bio Robots five centuries in the past have become Biomen. They transform with the Bio Brace and fight using their Super Electronic Brains on their masks. Their Bioswords are equipped with sword and gun modes.
Cast: Ryōsuke Sakamoto, Naoto Ôta, Akito Osuga
Season 1
51 episodes
1. Enigma Of The Giant Robot's AppearanceAn 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.ALLCC20minFeb 4, 1984
2. Gathering! Warriors Of DestinyDoctor 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.ALLCC20minFeb 11, 1984
3. Our Friend, Bio RobotWhen 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.ALLCC20minFeb 18, 1984
4. Self Destruct! Mecha HumansUsing Shirou's animal informants, Bioman discovers a Gear plot to replace humans with exploding Mecha Humans to sabotage a super-energy plant.ALLCC20minFeb 25, 1984
5. Kill the Unseen EnemyIn 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.ALLCC20minMar 3, 1984
6. Rise Up! Bio RoboMika'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.ALLCC20minMar 10, 1984
7. Captured PeeboWhen 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.ALLCC20minMar 17, 1984
8. Fight! Vow to the PlanetAs 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.ALLCC20minMar 24, 1984
9. The Jumprope That Erases PeopleRyuuta becomes trapped within the dimension of a supercomputer by twin girl Mecha Humans being used to capture children for Gear.ALLCC20minMar 31, 1984
10. Farewell, YellowDoctor 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!ALLCC20minApr 7, 1984
11. Enter, New Warrior JunAfter 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.ALLCC20minApr 14, 1984
12. Murderer Green!Shingo begins to doubt himself when he believes that a Mecha-Human was actually the father of a boy he was trying to save.ALLCC20minApr 21, 1984
13. I'm Jun!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.ALLCC20minApr 28, 1984
14. Neo Intellect Brain!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.ALLCC20minMay 5, 1984
15. The Female Warrior's Flaming OathAfter 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.ALLCC20minMay 12, 1984
16. Run, 21599 SecondsJun 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.ALLCC20minMay 19, 1984
17. I Saw Ryugu CastleDoctor 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.ALLCC20minMay 26, 1984
18. Super Powered Girl's PrayerShingo encounters a girl who has strange visions of a Mecha Gigan attacking her town associated with a stone that gives her amazing gifts.ALLCC20minJun 2, 1984
19. My Father Is Doctor ManDoctor Man adds his 17-year old son to Gear as its new commander, with a cruelty that Ryuuta believes can be stopped.ALLCC20minJun 9, 1984
20. The Prince's Challenge!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.ALLCC20minJun 16, 1984
21. Protect The Bio BaseA 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.ALLCC20minJun 23, 1984
22. A Great Burglar!? Blue!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.ALLCC20minJun 30, 1984
23. Gyo! Attack Of The Puppets!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.ALLCC20minJul 7, 1984
24. The Exploding Flower of LoveShingo 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.ALLCC20minJul 14, 1984
25. Prince's Ghost?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!ALLCC20minJul 21, 1984
26. My Father's Dreadful SecretAs 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.ALLCC20minJul 28, 1984
27. The Female Warriors Of Spider HellHikaru and Jun become trapped in a seaside town conquered by an army of mechanical spiders that control the populace.ALLCC20minAug 4, 1984
28. The Assassination of Doctor ManRealizing 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.ALLCC20minAug 11, 1984
29. The Day Tokyo Disappeared!?Trying to find a boy's lost brother, Ryuta discovers a Gear plot to suck Tokyo into multiple simultaneous black-hole bombs!ALLCC20minAug 18, 1984
30. Ultimate Kans' Demon SwordShirou 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.ALLCC20minAug 25, 1984
31. New Model? Arrival Of MegasThe 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.ALLCC20minSep 1, 1984
32. Gear's Great Tactics ReformationAs 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.ALLCC20minSep 8, 1984- 33. Come Forth! New Certain Kill TechniqueNo synopsis available yet.ALLCC20minSep 15, 1984
- 34. Behold The Power Of Bio!No synopsis available yet.ALLCC20minSep 22, 1984
- 35. Series Six BoyNo synopsis available yet.ALLCC20minSep 29, 1984
- 36. Transform BoyNo synopsis available yet.ALLCC20minOct 6, 1984
- 37. The Assassin SilverNo synopsis available yet.ALLCC20minOct 13, 1984
- 38. The Riddle Of BalzionNo synopsis available yet.ALLCC20minOct 20, 1984
- 39. Meison's TrapNo synopsis available yet.ALLCC20minOct 27, 1984
- 40. To Steal TurboNo synopsis available yet.ALLCC20minNov 3, 1984
- 41. The Devilish NursemaidNo synopsis available yet.ALLCC20minNov 10, 1984
- 42. Gou! To Wager One's DestinyNo synopsis available yet.ALLCC20minNov 17, 1984
- 43. Sailor Suited WarriorNo synopsis available yet.ALLCC20minNov 24, 1984
- 44. Beautiful Conscience CircuitNo synopsis available yet.ALLCC20minDec 1, 1984
- 45. Human Bomb JunNo synopsis available yet.ALLCC20minDec 8, 1984
- 46. Escape! Village TrapNo synopsis available yet.ALLCC20minDec 15, 1984
- 47. Professor Shibata's True ColorsNo synopsis available yet.ALLCC20minDec 22, 1984
- 48. Enter BalzionNo synopsis available yet.ALLCC20minDec 29, 1984
- 49. Fearful Bio RobotNo synopsis available yet.ALLCC20minJan 5, 1985
- 50. Assault! NeogradNo synopsis available yet.ALLCC20minJan 12, 1985
51. Farewell, Peebo!No synopsis available yet.ALLCC20minJan 19, 1985
Choudenshi Bioman
Five descendants of the people showered with Bio Particles by Bio Robots five centuries in the past have become Biomen. They transform with the Bio Brace and fight using their Super Electronic Brains on their masks. Their Bioswords are equipped with sword and gun modes.
Creators and cast
- Created by
- Moriyoshi Katō, Seiji Abe, Takeyuki Suzuki, Yasuhiro Tomita
- Studio
- Toei Company, TV Asahi, Toei Agency

































