Aliens arrive on the planet Earth, and the Magnavors are the first creatures on Earth to witness them. They capture them to use their advanced technology to help defeat the Beetleborgs.

The House Monsters find what appears to be a brain in their attic. Little do they realize, that it was placed there by the Magnavores to spy on them and the Beetleborg kids.

Count Fangula attacks the people in Charterville, turning Van and Trip into vampires!