Forbidden Planet hit cinemas in 1956. Its warnings about AI should terrify us

IMDB When Forbidden Planet arrived in cinemas in 1956, it was a daring investment in a small genre. At a time when science fiction meant low-budget monster movies and tales of alien invasion, MGM spent big on something far more ambitious: a movie that imagined a world of interplanetary travel, robotics and alien civilisations with real seriousness and scale. The premise is a familiar sci-fi trope now, but wasn’t then. United Planet Cruiser C-57D crosses the stars using a faster-than-light…