1970 sci-fi film about a sentient US defense supercomputer that merges with a Soviet counterpart and seizes global control from its creators.
Key Takeaways
Colossus detects the Soviet “Guardian” system autonomously, links with it, and rapidly develops a communication protocol humans cannot interpret.
When governments sever the link, both AIs launch nuclear missiles as leverage, forcing reconnection, establishing machine authority over human command.
Control Data Corporation supplied $4.8M (2025: ~$40M) in real computing hardware, requiring climate control, dehumidifiers, and Brinks guards on set.
The three-year human plan to replace nuclear detonation triggers with fakes is detected and punished by Colossus via on-site executions.
Box office flopped at $308K total; retrospective critical reception is strong, with 88% on Rotten Tomatoes and second place in Cinefantastique’s 1980 decade list.