The battle continues between the Micronauts ans the soldiers of Karza after the opponents travel throught space and arrive on Earth.
Complete summary (with Spoilers)
Ray Coffin, father of steve discovers his garden totally destroyed by the fight between the micronauts and the acroyear fighters of prince shaitan but, soon, finds the rest of a spaceship destroyed during the battle. Nearby, Bug, left behind by his teammates, observes the giant human, searching a way to join back his friends.
Meanwhile, the micronauts, (always a few inch tall like a animated figurine) try to run away from the space fighter of Shaitan with their own spacecraft, the Endeavor. Both spacial vessels pull fire the one at the other one above an highway, shooting cars, trucks and advertising hoardings. The fight moves above a skateboard track whose seems mountainous area with giants for the opponent.
Understanding that the defensive way means defeat for us, Acroyear and Commander rann chooses to counter-attack, using personnel glider-pacs. In front of them, the spacecraft of prince shaitan divides itself in several smalls fighters. ( Like the real toys made by Hasbro). In the Endeavor,Princes Mari (as Marionette) and Biotron continues to use Thorium Guns against their opponents. Besides the Time Traveler helps them to find a tracking device hide in the spacecraft.
In the same time, the USAF and the police try to understand that are this strange "toys" who destroy the town.
After a huge battle and a lot of destruction, the micronauts win. But it wasn't a happy victory. Bug is missing, the Endeavor is crippled and the tracking device permits Baron Karza to discover a other world to conquer. their future doesn't seem easy.