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The new thriller series Billionaires’ Bunker, created by renowned author/producer Álex Pina, was released on Netflix on September 19, 2025.
Having made a worldwide sensation with the hit Money Heist, Pina returns in this Spanish-language drama, set in one of the world's most expensive underground bunkers, as World War III looms above the surface.
The show captures the intricate relationship of a group of billionaires who find themselves in a compromised situation, exposing secrets, competitiveness, and emotional instability amid a high-stakes closed system. Netflix has promoted it as one of its most ambitious Spanish productions, which mixes new technology in virtual production with an engaging, genre-bending story that shifts between an apocalyptic thriller and a character-based drama.
The story takes place in the Kimera Underground Park, a lavish bunker situated 900 feet below the surface, for the super-rich in the event of a disaster. It starts with a story of a man, Max, who has just left prison with a sense of guilt and loss, and comes to the bunker with his family to survive the nuclear fallout.
The situation is becoming tense indoors as past wounds are simmering beneath the surface among the occupants. The show, produced by Álex Pina and Esther Martínez Lobato, promises a big twist, dramatic pressure-cooker scenarios, and a stinging critique of the global elite captured within the cramped yet lavish walls of this futuristic bunker.
How Álex Pina’s Billionaires’ Bunker promises twists in Netflix’s latest thriller
According to Álex Pina, Billionaires’ Bunker is a story that centers around sharp psychological pressure and emotional extremes caused by the confinement of the characters. In an interview with Variety, Pina shared that the bunker environment is “like a pressure cooker” that forces the characters to let go of their façades and reveal their true natures.
“The fact of shooting in a confined space enhances creativity. It’s actually the fourth show we’ve done in a confined space. It’s like a pressure cooker. You can enhance the drama and the characters. They can go crazy. The romantic side is more romantic, the dramatic more dramatic.”
This heightened characterization of storytelling is a breakthrough in the usual thrillers, as Billionaires’ Bunker is not only about the external catastrophes but also the internal outbursts.
Billionaires’ Bunker is a creative blend of genres, shifting between an apocalyptic mood and a surprisingly playful tone. The fluidity of this genre enhances the narrative as it allows audiences to experience the various characters and themes as the story unfolds across the eight episodes.
Moreover, according to Pina, this project outshines even Money Heist in its ambitions, combining grand-scale production design with heavy emotional storylines. Inside the bunker, people are no longer hopeful, and the only thing that is left to do is to throw their masks off and show their real faces.
“In a way, Billionaires’ Bunker goes further than ‘Money Heist. Trapped in the bunker, they lose hope. All that’s left to them is to take off their masks and be themselves.”
Billionaires' Bunker’s story and production excellence
Billionaires’ Bunker is a series about the survival of wealthy families during the apocalypse and how they find a haven in Kimera Underground Park. At the onset of World War III, Max (Pau Simón), a former inmate who has just been released and comes back home after a tragic accident involving his girlfriend Ane, arrives in the bunker with his family. This is where old grievances are brought to the fore, especially between Max and Ane’s father, Guillermo.
The cast of the show consists of Miren Ibarguren, playing the role of the pragmatic organizer of the bunker Minerva. It also has Joaquín Furriel as Guillermo, Natalia Verbeke, Carlos Santos, and many others, bringing complex drama.
The series is produced by Vancouver Media, Pina’s Madrid-based production company, making it Netflix’s biggest Spanish production yet. It was recorded at Netflix’s state-of-the-art Tres Cantos European Production Center in Spain, a large-scale studio facility regarded by many as one of Europe’s most sophisticated.
The show’s production is based heavily on large-scale application of virtual production and in-camera visual effects (VFX). The latter represents a step change for Spanish TV and facilitates immersive environments to dramatically enhance its claustrophobic and sumptuous setting narrative at a visual level.
This level of production is part of Netflix’s broader efforts to innovate globally with HDR, Dolby Atmos, and intricate live VFX to facilitate dynamic storytelling.
Victor Martí, Netflix’s head of production, tells Variety:
“Billionaires’ Bunker was shot in HDR and Dolby Atmos. It was also the first Netflix show in Spain with really extensive virtual production usage via in-camera VFX.”
The set itself is designed to embody post-WWII minimalist and Bauhaus styles of architecture to achieve a dramatic and symbolic setting. The set reportedly took up 1,200 square meters (13,000 square feet) with more than 160 unique set pieces, made up of restaurants, gyms, cocktail bars, and spas, all carefully crafted to reveal luxury hidden behind apocalyptic horror.
Narratively, Billionaires’ Bunker goes beyond apocalyptic drama to offer a darkly comic and sharply critical look at the global ultra-wealthy: the 0.1% who might control humanity’s future while isolating themselves from the world’s disasters.
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