After Kurt Hectic, the janitor extraordinaire, has bravely ventured into the perilous minecrawlers and averted the alien threat to the Earth, he returns to his friends, the genius scientist Dr. Fluke Hawkins, and his invention, the six-legged robotic dog Max, to celebrate their great victory. However, they find out that one minecrawler in Canada still hasn't been destroyed. Kurt is sent to complete the mission, but as a result gets kidnapped by an alien being known as Shwang Shwing. Doc and Max rush to his rescue, and soon realize that they are up against a much bigger threat, involving an alien empire and galactic conquest. The fate of the Earth is in their hands!