In a cavernous studio outside Madrid teeming with TV industry stars, Netflix is blending old knowledge with modern technology to try to concoct a successor to its global hit “Money Heist”.

The dystopia “Billionaires’ Bunker”, to be released on Friday and set in a gigantic underground fortress offering gyms, a garden and a fancy restaurant, is the US streaming giant’s latest Spanish superproduction.

The aim is to conjure the magic of “Money Heist”, a series about a group of wily robbers who hold up the Spanish national mint, which was Netflix’s first non-English-language global success after launching in 2017.

Migue Amoedo, visual artistic director of “Billionaires’ Bunker”, described “Money Heist” as “the turning point of the industry”, saying they now had “the recipe” for repeating its

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