A military robot is struck by lightning and develops a mind of its own. The machine embarks on a series of comic misadventures, but the company that made him want him back. He realises his only hope is to convince the scientist who invented him that he really is alive. Sci-fi comedy adventure, starring Steve Guttenberg, Ally Sheedy and Fisher Stevens.

After a lightning bolt zaps a robot named Number 5, the lovable machine starts to think he's human and escapes the lab. Hot on his trail is his designer, Newton, who hopes to get to Number 5 before the military does. In the meantime, a spunky animal lover mistakes the robot for an alien and takes him in, teaching her new guest about life on Earth.