Colossus: The Forbin Project
This is the dawning of the Age of Colossus (where peace is compulsory... freedom is forbidden... and Man's greatest invention could be Man's greatest mistake).
4/8/1970
Imdb: tt0064177
Tmdb: 14801
Popularity: 9.575
Vote: 6.9/10 (207)

The U.S. has handed over control of its nuclear defense system to the Colossus supercomputer designed by scientist Dr. Charles Forbin. It soon becomes clear, that the now-sentient Colossus is far more intelligent than its creator realized—with the fate of the world hanging in the balance.