Among their team attacks are the Bio Electron Beam (バイオエレクトロビーム, Baio Erekutoron Bīmu) and Miracle Laser (ミラクルレーザー, Mirakuru Rēzā).

The Neo-Empire Gear (新帝国ギア, Shin Teikoku Gia) was founded and led by the cyborg Doctor Man, from his Neo-Cloud fortress at the South Pole.

The Five Beast Warrior Jyunoids (ジューノイド五獣士, Jūnoido Go Jūshi) are mechanical monsters that fight the Biomen and support the Big Three in their battles.

Though an arch-enemy of the Bioman, Silva is also at odds with Gear who desire to utilize Balzion's technology for their own use where he used some of the Neo Mecha-Gigas.

A movie version of Chōdenshi Bioman premiered at the Toei Manga Matsuri film festival on July 14, 1984, the same day episode 24 aired.

The events of the movie are set somewhere between Episodes 11 and 31 due to the presence of Jun Yabuki as Yellow Four and the appearance of all five Beastnoids.