Emiko Yamamoto

A high school girl, Izumi Gojo, who has been found guilty of murder, falls into the sea and disappears when running away from the police. However, a mysterious group rescues her and had her undertake training to transform her into an assassin. Years later, Izumi seeks to escape the group.

Choujinki Metalder is the sixth and shortest entry of the Metal Hero Series, running from March 16, 1987, to January 17, 1988, for only 39 episodes. It was the first series to air on Sundays instead of Mondays. Metalder bears many similarities to Toei's earlier program Android Kikaider, particularly in its themes, characters, and the hero's costume design. The action footage of Metalder was adaptated for the first two seasons of VR Troopers. On February 21, 2007, Toei released the complete Metalder TV series and film on a seven-disc DVD set. For distribution purposes, Toei refers to this television series as Metalder.

Jikuu Senshi Spielban is a Japanese tokusatsu television series, part of the Metal Hero Series created by Toei Co. Ltd. from April 7, 1986 to March 9, 1987. Spielban's action footage was used for the battle scenes in VR Troopers. For distribution purposes, Toei refers to this television series as Spielvan.