Velma wins first prize at her elementary school science fair with a computerized robot that Velma has programmed to do exactly what it's told. When mysterious locker robberies occur, Velma is the prime suspect. Things get even worse when her robot goes on a deadly rampage.
Elenco: Kellie Martin , Scott Menville , Casey Kasem , Don Messick , Linda Dangcil , Avery Schreiber , David Mendenhall , Maggie Roswell , Takayo Fischer , June Foray , Darryl Hickman , Hamilton Camp , Paul Eiding , Brian Stokes Mitchell , Dorian Harewood , Dehl Berti , Michael Bell , Vernee Watson-Johnson , Frank Welker , Jackie Joseph , Earl Boen , Chuck McCann , Isabel Sanford , Mark Taylor , Jerry Houser , Kenneth Mars , Alan Oppenheimer , Dan Gilvezan , Tress MacNeille , Arthur Burghardt , Lynne Moody , Ed Gilbert , Lewis Arquette , Kath Soucie , Al Fann , Allan Lurie , Jim Cummings .