Short Circuit (1986)

"Something wonderful has happened... No. 5 is alive!"
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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.

Ally Sheedyas Stephanie Speck
Steve Guttenbergas Newton Crosby
Fisher Stevensas Ben Jabituya