Overview
- The first season launches worldwide on Netflix on 19 September 2025 with eight episodes available at release.
- Production built an expansive retro‑futurist bunker set outside Madrid spanning over 7,200 m² with about 100 interlinked spaces, supported by roughly 400 crew members and 4,700 extras.
- The story unfolds inside Kimera Underground Park, a luxury private-bunker concept with capacity for more than 100 guests and up to ten years of autonomy, with units priced in the tens of millions of euros.
- The ensemble includes Miren Ibarguren as Minerva alongside Joaquín Furriel, Natalia Verbeke, Carlos Santos, Pau Simón, Alícia Falcó, Montse Guallar and Álex Villazán.
- Showrunners Álex Pina and Esther Martínez Lobato frame the series as a blend of thriller, melodrama and black comedy, and note that any second season would depend on audience response.