Watch "Ratched" on Netflix for a different kind of American horror. The series tells the origin story of nurse Mildred Ratched, the iconic character from the classic film "On the Cuckoo's Nest."

The psychological drama is co-produced by Ryan Murphy and Evan Romanski, with Sarah Paulson, one of Murphy's most frequent collaborators, playing the title role. Nurse Ratched was the main antagonist in the 1975 film "One Flew Over the Cuckoo's Nest," starring Jack Nicholson and Louise Fletcher.

In this prequel series set in 1947, the story begins with Mildred getting a nursing job at a prestigious mental hospital. Mildred presents herself as a perfect, dedicated, and caring nurse, but she has a secret agenda: to infiltrate the psychiatric system. Hidden behind her stylish, good-natured exterior is the depth of darkness within. True monsters are not born, they are made.

Here's everything you need to know about how to watch "Rached" on Netflix.

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If you're in the U.S., you can watch "Ratched" on Netflix starting Friday, September 18 at 3:01 am.

The Ratched trailer begins ominously, with Mildred recounting her difficult childhood and wondering "how different I would be" if someone had shown her mercy. She then looks at herself in the mirror and prefaces it with "You look fine, Mildred." In the trailer, Mildred stuns Hunter Parrish and Cynthia Nixon asks, "Aren't we playing God?" The film also flashes scenes of gruesome medical procedures, such as when Mildred asks, "Are we playing God?

The cast of "Ratched" is led by Sarah Paulson, who plays Mildred Ratched, a nurse at a Northern California mental hospital.

She joins:

Criticism of "Ratched" has been generally negative. Here's what some of the critics had to say:

The New York Times: "Ratched is misled by spectacle and lurid melodrama. What begins as a psychological portrait becomes a tragedy of bloodshed and revenge, like Jackson Pollock's Scattered Patterns. One plot jumps eastward, another westward.

Entertainment Weekly I was going to rate "Ratchet" as a glorified mediocrity, a glossy blunder from a creative coalition in need of new ideas. And then I got to the finale, which is the worst hour of television I've ever seen, successfully piecing together lame soap opera clichés and lame horror clichés into a veritable Frankenstein of dramatic tackiness."

The Hollywood Reporter: "'Ratchet' exhibits more narrative discipline, although it does occasionally confuse 'scary' with 'hard to watch.' But the whole is less than the sum of its parts.

Vanity Fair: "Paulson does her best to connect the dots, but her Herculean efforts to hold the story together with her bare hands can't mask the fact that the screenwriter seems to think of Ratchet as little more than a character with a uniform and a haircut."