Netflix’s latest Spanish thriller, Billionaires Bunker (original title: El refugio atomico ) released on September 19, 2025 and immediately hooks audiences with its striking premise, billionaires taking shelter from a looming nuclear apocalypse in a luxurious underground bunker. Created by the minds behind Money Heist , Alex Pina and Esther Martinez Lobato and directed by David Barrocal, Jesus Colmenar and J.M. Cravioto, the series attempts to blend a survival thriller, family drama and dystopian spectacle. But while the concept is intriguing, execution falters in key areas. Money Heist Season 5: Review, Cast, Plot, Trailer, Streaming Date and Time – All You Need To Know About Álvaro Morte, Úrsula Corberó’s Spanish Thriller Series.

‘Billionaires Bunker’ Plot

The story centers on

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