The series was released on Hulu in the United States on January 26, 2025. It is set in a city-sized underground bunker in Colorado three years after a doomsday event. The series has received generally positive reviews from critics, with praise for its premise, writing, and performances. At the 77th Primetime Emmy Awards, the series received a nomination for Outstanding Drama Series and acting nominations for Brown, Nicholson, and Marsden.