Lucy, the Robot The Lucy Show : Season 4 Episode 23

Lucy helps an inventor friend get some badly needed funding. She figures Mr. Mooney will approve some cash if they help him with the miscreant 13-year-old nephew he's stuck with. Her genius pal builds a life-sized robot soldier to entertain the brat, but its doesn't survive a Lucy-induced fall down the stairs. Lucy passes herself off as the robot and gives the delinquent some much-needed discipline.