Second season of Zero Tester, series of space accidents turn out to be the work of the Armanoid aliens, who planned to invade planet Earth. Professor Tachibana alongside other world leader gathers a team around him at the Future Science Invention Center and prepares five state-of-the-art vehicles for Shin, Go, Lisa, and Captain Kenmotsu to counter the impending Armanoid aliens invasion with forming special Zero Tester Squad.