The Day the Earth Stopped
Hundreds of massive intergalactic robots appear in all of the world's major capitals with an ultimatum: Prove the value of human civilization or be destroyed.
Genres: Action, Adventure, Science Fiction, Thriller
Directors: C. Thomas Howell
Writers: Carey Van Dyke, Darren Dalton, Edmund H. North, Harry Bates, Shane Van Dyke
IMDB: tt1290471