All six episodes from the fourth season of the sci-fi anthology drama created by Charlie Brooker which explores the role of technology in modern society. Includes: USS Callister A woman wakes up on a Star Trek-esque space ship where the crew praise their all-knowing and fearless captain, who has used DNA scans to simulate real people within his game. Arkangel After nearly losing her daughter, a mother invests in a new technology that allows her to keep track of her child. Crocodile A woman\'s past comes back to haunt her while an insurance adjuster questions people about an accident with a memory machine. Hang The DJ A new dating app allows the matched couples to be told how long their relationships will last. Metalhead A woman attempts to survive in a dangerous land full of robotic guard-dogs. Black Museum A woman enters a museum where the proprietor tells her stories relating to the artifacts. Includes subtitles for the Hard of Hearing