Thanks to a recommendation from an investigator of The Board of Education Eddie is in danger of being expelled from school. The only way he can stay if he makes an excellent project for the school's Science Fair; Grandpa helps he make a robot. Herman walks on stage and is thought to be the robot causing Eddie to win first prize and stay in school.
Elenco: Fred Gwynne , Yvonne De Carlo , Butch Patrick , Al Lewis , Beverley Owen , Pat Priest .