Billionaires' BunkerBillionaires' Bunker is a 2025 Spanish thriller television series created by Álex Pina and.SynopsisIn the face of the threat posed by an imminent nuclear war, a group of billionaires hide in a bunker called the Kimera Underground Park. Resentment between two families is fueled in the claustrophobic environment.ProductionThe series was co-created by Álex Pina and Esther Martínez Lobato. Consisting of eight episodes, it is a Vancouver Media production for Netflix.ReleaseThe series was released on Netflix on 19 September 2025. It was canceled by Netflix after its first season.