Zero Tester

is a Japanese mecha anime series by Sunrise and Crystal Art Studio which originally broadcasted on Fuji TV for 66 episodes.

Plot
A series of space accidents turn out to be the work of the Armanoid aliens, who plan to conquer Earth. Professor Tachibana 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.