In New Holland, the boy Victor Frankenstien is a bright but outcast student without any friend but his dog Sparky. When the newcomer science teacher Mr. Rzykruski challenges the students to participate in the science fair, Victor's father forces him to play baseball otherwise he would not sign the necessary authorization for his son. During the game, Sparky chases the ball and is hit by a car. Victor recalls Mr. Rzykruski's class about the effects of electricity and successfully resuscitates Sparky using lightning. Victor hides Sparky in the attic but the weird Edgar sees the dog on the garden and blackmails Victor to learn how to bring the dead to life. Edgar does not keep the secret and soon Victor's envious schoolmates revive several creatures to win the science fair contest. When the town is invaded by the monsters, Victor and Sparky are the last chance to rescue the girl Elsa van Helsing from the claws of Mr. Whiskers.