Stage 1: The New Generation – Part 1.The United Earth Fleet fights off another Radam invasion, but the Radam Tekkamen wipe out the fleet and send missiles to Earth. This causes errors during the Tekkaman conversion process for three new Space Knight cadets, and Yumi is given the Reactor Voltekka instead of Natasha. The Space Knights attack the Radam, but are overpowered. While attempting to help them, Yumi is unable to control the power of the Reactor Voltekka, which leads to a disaster.