The three traitorous Students Kenji Tsukigata, Rui Senda and Gou Omura come back from Outer Space in the name of the Armed Brain Army Volt to begin their attack on the Earth.
Guest Stars:
Daisuke Ban
With Academia destroyed, the Liveman gain from their dying mentor Doctor Hoshi instructions and a clue to assist in their battle against Volt.
Guest Stars:
Daisuke Ban, Reiko Hirano
Jou shows doubt in facing down his old friend Gou as he prepares to use a virus to evolve into the ultimate being.
Megumi suspects Mazenda in a plot involving transforming Jimmers into Dummy Man spies.
Guest Stars:
Kan Tokumaru, Osamu Ujiie, Daisuke Odera, Mayuko Ookawa
Yusuke is approached by Takuji's little brother to help complete a car he was working on, which becomes sabotaged by Dr. Kemp and an engine Brain Beast.
Guest Stars:
Eiji Maruyama, Hirofumi Taga
A boy befriends a young dinosaur brought to the present by Obular's time-manipulating Brain Beast.
Guest Stars:
Michirō Iida, Teppei Takasugi, Ryohei Iizuka
Takeshi and the Liveman try to work out a final solution regarding Gon while Obular decides to experiment in making the dinosaur into a city-destroying giant.
Guest Stars:
Teppei Takasugi, Ryohei Iizuka, Takanobu Tooya
The Liveman trio must learn to draw on other emotions to fight after Dr. Kemp creates a Brain Beast that sucks away anger for power.
Guest Stars:
Kazuhiko Kishino, Akira Igarashi, Hiroki Takano, Ikuyo Emoto, Shigeru Nakasone
Megumi attempts to protect the love of her newlywed friends from being corrupted by Mazenda's love-potion perfume.
Guest Stars:
Go Oomatsu, Naomi Kashiwagi, Kota Mizumori, Minoru Nakajima
Jou takes a delivery job to save a pizza shop - "Pizza Sweet" , which becomes more dangerous after a Brain Beast turns the town into a maze.
Guest Stars:
Kan Tokumaru, Yoshifumi Egawa, Mitsuyo Kawashima, Shuji Sakamoto, Aiko Hiyama
Arashi Busujima, a self-proclaimed idiot gang leader, causes trouble for both Volt and the Liveman by making a Brain Beast his own servant.
Guest Stars:
Yoshio Kawai, Osamu Tanaka, Hiroaki Takeuchi
Bias transforms the idiotic gang leader Arashi into Doctor Ashura, the ultimate genius who befuddles the Liveman with both brains and brawn!
Guest Stars:
Eiji Maruyama, Shiro Ooki, Koji Yamanaka, Yuji Sasamori
A malfunctioned Jimmer who falls for Colon assists the team in stopping a plot by Mazenda to poison the city.
Guest Stars:
Toku Nishio, Goro Higuchi
Ashura depowers and estranged Yusuke with a Brain Beast that turns him into a walking electromagnet.
Guest Stars:
Chiyako Shibahara, Megumi Osanai, Katsumi Itakura, Kiyoshi Suzuki, Isao Kamata
Jou protects a robot being targeted by Gash for a special crystal Bias wishes to obtain.
Guest Stars:
Eisuke Yoda, Isao Kishimoto, Bin Manabe, Ayako Sachi
Yusuke returns to Academia to retrieve love letters he left that are being used for jumping, zombie-like apparitions of his fellow students.
Guest Stars:
Yumiko Nii, Chieko Shirota, Hiroaki Nakajima
Megumi fights to regain a doll with emotions that is transformed by Kemp into a doll-controlling Brain Beast.
Guest Stars:
Hisako Kyoda, Yuko Shige, Reiko Nishihara, Fukunosuke Izumi
Jou falls for a mysterious girl created from the remnants of Mazenda's loving heart into a Brain Beast.
Guest Stars:
Shin Mori, Kyoko Nunomura, Hiroshi Ichikawa
A Brain Beast created with Obular's own mind leads to a shocking revelation to the Liveman about their enemy Gou.
Guest Stars:
Masaya Taki, Nami Munakata, Toshihiko Nakano, Takeshi Inoue, Hiroyoshi Ishii
Gou is kicked out of Volt for his failures, forcing him to return home in order to resume experiments for becoming the ultimate Obular.
Guest Stars:
Nami Munakata, Toshihiko Nakano, Eisuke Yoda
Yusuke attempts to convince Gou's mother to save her son as Volt bring him back for their own schemes.
Guest Stars:
Nami Munakata, Toshihiko Nakano, Toru Sakai
Megumi tries to give confidence to a girl whose song may be the only means to stop a mad musical alien.
Guest Stars:
Eiji Maruyama, Fumi Toteno
Colon tries to prove her worth to Yusuke against a swordsman Brain Beast using a new metal developed by Kemp.
Guest Stars:
Kazuhiko Kishino
Yusuke tries to convince a boy the importance of hard work in school and fun while dealing with Mazenda's mental manipulation of children.
Guest Stars:
Toku Nishio, Kosuke Uchino, Mina Asa, Tadanori Miura, Jun Takeuchi
On vacation in Aizu, the Liveman help a boy get over his fears of a castle haunted by revived Brain Beasts.
Guest Stars:
Eisuke Yoda, Kazuki Yamanaka, Tsuyoshi Inoue, Kazuo Fujita, Hisashi Saito
The Liveman investigate a strange light caused by Mazenda's new Giga energy making the insects of Aizu giant-sized.
Guest Stars:
Kazuki Yamanaka, Yukimi Shimoda
The Liveman are unexpectedly assisted by Megumi's father as Volt ups the ante with the activation of the Giga Project.
Guest Stars:
Isao Kamata, Takeshi Watabe, Junshi Shimada, Masayo Matsuo, Mika Hatanaka
The Liveman struggle against Bias' completed "Giga Volt", but are saved by a mysterious young man with his own hatred of the enemy.
Tetsuya and Junichi, the siblings of the Liveman's deceased friends, push forwards to do whatever it takes to defeat Giga Volt, even with unexpected assistance.
With the continued threat of Giga Volt and Tetsuya and Junichi still driven by revenge, the Liveman must figure a means to come together as a true team to defeat Volt's greatest weapon.
Guest Stars:
Dorothée
Junichi is implanted with the child of Guildos and Butchy's Brain Beast, forcing him to make a decision regarding his unusual situation. Great Professor Bias begins a mysterious competition for his generals.
Guest Stars:
Eiji Maruyama, Tsuyoshi Inoue, Akiko Muta, Rumi Watanabe, Ikuyo Emoto
Kemp is forced to confront a noble deed of his past when he creates a Brain Beast to steal blood for upgrading his altered form.
Guest Stars:
Hamako Someya, Kazuko Honjô, Yasuhiro Fukoka
Tetsuya dons a costume to make a "robot friend" for a young boy, only to fall into a scheme with Mazenda's own Brain Beast copy of it.
Guest Stars:
Seiro Yamaguchi, Yuichiro Ito, Shizuka Isami
An accident by Ashura allows for a girl from fifteen years in the future into 1988, where she has a peculiar encounter with Jou.
Guest Stars:
Hiroe Oka, Yukiko Okada, Fumika Fukaya
Yusuke and Kemp return to Academia Island to see how far they've come and settle old scores as promised four years prior.
Junichi tries to reconcile with a member of his school rugby team as the rest of the team becomes minions to Mazenda's Brain Beast.
Guest Stars:
Masakazu Arai, Shigeru Sasaki, Kenichiro Kanaizumi, Akira Igarashi, Hiromi Fukumoto
An attempt to stop Kemp's Fear Beast evolution accidentally makes Kemp return to his 16-year old self whom Megumi tries to change from his dark path.
Guest Stars:
Kan Tokumaru
Yusuke unexpectedly runs away from a rampaging Mazenda, who has furthered her modifications into a living mechanical weapon!
Jou assists an alien in retrieving a seed from its homeworld trapped within a meteor Brain Beast.
Guest Stars:
Yoshio Kawai, Naomasa Itokawa, Tomoko Hiratsuji
A tricky jewel thief interested in Megumi gets his hands on a gem containing a Brain Beast that helps him in his devious tasks.
Guest Stars:
Takeshi Watabe, Takashi Matsuura
Jou fights to protect his former rival Gou from Volt when he regains memories that are key to the truth behind Bias.
Guest Stars:
Kazuhiko Kishino
Bias uses the power of Giga Brain Waves to brainwash Tetsuya into sabotaging the Gran Tortoise and killing his Liveman teammates.
Guest Stars:
Atsuo Mori
Junichi desperately tries to prove his power against Guildos, who wishes to prove the power of his planet to Bias.
Guest Stars:
Hiromi Yuhara, Akinori Aoto
After discovering the horrifying truth about himself and Guildos, Butchy goes on a rampage through Earth which is interpreted sympathetically by Megumi.
Guest Stars:
Kaoru Shinoda
Fearing being left behind by Bias' remaining pupils, Ashura enacts a plot to hack all information from the world computer networks into himself.
Although changed back to his former idiot form, Arashi continues to try and prove his true worth in a climactic showdown with Kemp's most powerful Brain Beast.
Guest Stars:
Kazuhiko Kishino
Mazenda fights the Liveman to complete her goal of achieving a thousand-point brain for Bias, even as Gou tries to warn of the consequences of doing so.
As Kemp finally achieves a thousand-point brain for Bias, Yusuke sneaks into Brain Base to stop the Giga Brain Wave from controlling humanity.
Guest Stars:
Yutaka Hirose, Kentaro Ishizeki
As a Bias with restored youth descends to Earth to continue his cycle of destruction for the sake of knowledge, the Liveman must hold him off and find a way of either changing his ways or stopping the mad genius permanently.
Guest Stars:
Kentaro Ishizeki