The Invisible Boy (1957)

Timmie is a typical ten-year-old boy: he loves fun and mischief and hates to study. When his scientist father, in an attempt to improve Timmie's mind, plops him in front of the Super Computer, the boy learns more than how to beat his dad at chess. With designs on world domination, the computer has Timmie reactivate Robby the Robot and directs the metal hulk to do his bidding. But while Robby is an efficient minion, can he be made to harm the boy who gave him life?