The Day the Earth Stopped

Synopsis: C. Thomas Howell and Judd Nelson star in this sci-fi thriller that finds the citizens of planet Earth forced to prove their worth or else suffer complete and total annihilation. As hundreds of enormous intergalactic robots appear in major cities throughout the world, the future of our civilization hinges on our ability to convince the invaders that our sole purpose in life isn't to spread suffering and misery while laying waste to the planet that has nurtured our species.     Source: RottenTomatoes.com