Avsnitt 1

Three Space Knights are chosen to become Tekkamen. In space, the United Earth Fleet is fighting off another invasion by Radam. The Radam bring Tekkamen and wipe out the fleet. They send missiles to Earth. This causes a problem during the Tekkaman evolution process for the three new cadets and a computer error resulting in Yumi receiving the Reacter Voltekka instead of Natasha. The Space Knights attack Radam but are overpowered . When attempting to help them, Yumi uses Reactor Voltekka but is unable to control it's power, leading to a disaster.