SNOWPIERCER left viewers squirming with an operation scene of nightmarish proportions.
The dysotpian Netflix drama is known for some seriously gory moments, with characters previously having limbs frozen off and smashed either as punishment or to extract information.
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However, the latest cringe-inducing moment involved Josie Wesllstead (Katie McGuiness) and her road to recovery after her near-fatal showdown with Melanie Cavill (Jennifer Connelly).
Fans will remember how Josie was left fighting for her life after being brutall tortured by Melanie.
She had her hand mutilated as Melanie exposed her fingers to freezing temperatures, before shattering them with a hammer.
She was also left in a carriage with a breach, flooded by sub-zero temperatures that left her entire body coverted in severe frostbite.
Josie headed to Big Alice's experimental medical facility for treatment from Mr Wilford's (Sean Bean) top doctors.
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However she had political motives too - serving as a spy for Andre Layon (Daveed Diggs) while receiving her treatment.
As they prepared to perform skin graft surgery, they provided Josie with a pill to put her under, but she decided to spit it out so she could eavesdrop on their coversation.
Of course, this also meant she had to pretent to be unconscious while she had her damaged flesh peeled off.
At one point she couldn't help but flinch as her back was skinned, but the surgeons put this down to an involuntary spasm.
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Fans took to social media in horror at the stomach-churning scenes.
"Christ alive, Josie is basically being skinned alive while she's still awake! Pass the sick bucket," one queasy Twitter user wrote.
"Oh HELL NO is she just chilling there while they peel her skin off?!" a second exclaimed, accompanied but a string of vomiting emojis.
"Josie is looking gnarly, like a burnt piece of bacon," a third joked.
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While a fouth asked: "How has she not passed out from the pain? Whole thing is making me light-headed."
Still, Josie's hardiness paid off - she was able to warn Layton about an upcoming attack on Snowpiercer involing the brakemen.
However, they turned out to be the victims of the attack, rather than the perpetrators, in a shocking twist.
New episodes of Snowpiercer drop Tuesdays on Netflix.