(これは人を愛し、正義を守る若者と少女の心のドラマである。, Kore wa Hito o Aishi, Seigi o Mamoru Wakamono to Shōjo no Kokoro no Dorama de aru.

Jiban defeated his duplicate and ultimately Gibanoid, the true form of Biolon's leader Doctor Giba.

The victorious Jiban then learned that Mayumi Igarashi, the one civilian that knew his secret, had been his missing younger sister all along.

Every episode, when Jiban faces his Bionoid enemy, he ejects his badge from his waist and shows it to the monster, reading a code of articles and laws that serve as his directives (much like RoboCop's prime directives), but unlike the movie, they giving him a greater freedom instead of restricting him: The Maximillian Type 3 can also perform the following moves and techniques: An armed force organized by the mysterious scientist Doctor Giba intending to take over the Earth by means of narrow attacks rather than large-scale destruction.

A movie for the series, entitled The Mobile Cop Jiban: Great Explosion at the Monster Factory of Fear, was released on July 15, 1989 as part of the 1989 "Manga Matsuri" Special Festival.