HBO’s new series “Westworld” might conjure up notions of “Waterworld” meets “Deadwood.”

But that ill-fated Kevin Costner opus and canceled-too-soon HBO series ultimately have little in common with the ambitious new J.J. Abrams undertaking, premiering on HBO this weekend.

“Westworld” is a pleasure-seeking theme park based on the Old Wild West.

Oh, and did you know that it’s all based on a Yul Brynner movie from 1973?

Abrams — along with co-creator Jonathan Nolan — decided to flip the script. In the original, humans were under siege, being attacked by a town full of robots that turned on them. In this “new” “Westworld,” it is the robots we are to pity.

Written and directed by Michael Crichton, the original also starred James Brolin. While Crichton’s engrossing world of dinosaurs known as “Jurassic Park” was still some 20 years off, he was already toiling with the notion of theme-park chaos. (Guy must have been a blast at Disney as a kid.)

There are similarities between “Westworld” and “Jurassic,” of course. In both scenarios, Crichton gives his human characters a way to explore their deep-seated fantasies — whether it’s walking with real dinosaurs or having a hedonistic romp with multiple remote-controlled ladies in the Wild West.

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“Westworld” is a pleasure-seeking theme park based on the Old Wild West. The “hosts” of the park are actually realistic androids with zero consciousness who have been programmed to grant the visiting patrons their every desire. Those who visit the park are paying $40,000 a day for the ultimate sinful experience.

Debauched? Sure. Even more disconcerting, in this day and age, “Westworld” does not even seem too futuristic — which only adds to the thumping tension.

Elon Musk, the billionaire tech entrepreneur, is talking about colonizing Mars. He just announced he’d be unveiling plans to send humans to the Red Planet and establish a city there, expecting people to reach Mars within a decade. This declaration adds a certain gravitas when watching a series like “Westworld,” which now seems even more than possible — it’s likely.

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And the series doesn’t necessarily need extra weight. It’s damn scary already.

The theme park is run and created by Dr. Ford (Oscar winner Anthony Hopkins — Hannibal Lecter himself!), who is responsible for keeping everything under control by erasing any cognitive processes from the robots.

There are no rules for “Westworld” customers — they can murder and sexually assault their android outlaws, bartenders, and prostitutes, all while playing “Wild, Wild West.” And without a pesky Will Smith or goofy Kevin Kline either. To be sure, what happens in “Westworld,” stays in “Westworld.”

The main host is designed to be the girl next door (Evan Rachel Wood). When she (it?) begins to show signs of memory and human emotion, the parks programmer decides to care for her while she slowly realizes her entire life is a manufactured lie.

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Meanwhile, “The Man in Black” (Ed Harris) is trying to uncover exactly how Westworld operates on a technological level. He’s not afraid to cripple anyone in his path, either.

The takeaway here is: What happens when humans try to play gods? In tech-obsessed America, where apps that enable us to have a vehicle in front of us in seconds to take us to our next bar, or where we can catch Pikachu, that sensation of all-knowing, all-seeing, all-conquering is more and more accessible.

“Westworld” was a fantastic leap in 1973. But in 2016 it is the stuff of conspiracy theory. Someone you work with is going to tell you this theme park is already in existence somewhere come Monday morning — and they might not be wrong.