Once again the Tan Commander Plastro is out to defeat Green Sarge, only this time he has enlisted the help of an Alien Army of bug-eyed extraterrestrials. To combat this new menace, Sarge has teamed up with Tina Tomorrow and her Galactic Army of Space Troopers. It’s up to Sarge to defend both, the Plastic World and Real World from Plastro and the evil Alien Army menace.