The WORST episodes of Hyper Knife

Every episode of Hyper Knife ever, ranked from worst to best by thousands of votes from fans of the show. The worst episodes of Hyper Knife!

Se-ok, an eager yet genius neurosurgeon is reunited with Deok-hee, the professor who ruined her life long ago. Once, the two surgeons cared for each other more than anyone else. But now with nothing but hatred toward each other, Se-ok is furious that he is back in her life and vows to take revenge.

Last Updated: 5/11/2025Network: Disney+Status: Ended

7.39

46 votes

#1 - Episode 1

Season 1 - Episode 1 - Aired 3/19/2025

Once a brilliant neurosurgeon but now a pharmacist in a rural town, Se-ok still performs brain surgeries at night. Se-ok is confronted by Deok-hee, the mentor who had a hand in stripping her of her medical license and ruining her life.

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7.52

31 votes

#2 - Episode 2

Season 1 - Episode 2 - Aired 3/19/2025

Deok-hee wants Se-ok to operate on him for a tumour in his head, but Se-ok does not want to comply with her mentor's request. Frustrated by his former pupil's reluctance, Deok-hee puts pressure on Se-ok.

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7.54

24 votes

#3 - Episode 5

Season 1 - Episode 5 - Aired 4/2/2025

Se-ok's past comes back to haunt her when Doo-bong, a former patient, calls and warns her of a threat coming her way. To make matters worse, a sudden house fire pushes Se-ok to the edge.

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7.62

26 votes

#4 - Episode 4

Season 1 - Episode 4 - Aired 3/26/2025

Se-ok is in search of Deok-hee's weaknesses. She visits a former patient, Kim Myeong-jin, who is the main reason for Deok-hee's betrayal, and asks him why he wanted to erase her from his life.

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7.64

22 votes

#5 - Episode 6

Season 1 - Episode 6 - Aired 4/2/2025

A rich patient requires a highly complex surgery that needs two skilled neurosurgeons. Deok-hee comes on board, taunting Se-ok and telling her he wants to see what her world is like. Stuck with no other choice, the two reunite at the operating table.

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7.64

25 votes

#6 - Episode 7

Season 1 - Episode 7 - Aired 4/9/2025

Se-ok assumes that Deok-hee's ailment only requires surgery, but learns from U-yeong that his condition is terminal; she prepares for the surgery and calls Deok-hee, telling him to come right away so she can operate on him.

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7.87

23 votes

#7 - Episode 8

Season 1 - Episode 8 - Aired 4/9/2025

Se-ok's past begins to resurface as she tries to blackmail Deok-hee into being treated; after causing confusion as a medical consultant in an investigation, Deok-hee makes a deal with Inspector Yang.

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7.88

24 votes

#8 - Episode 3

Season 1 - Episode 3 - Aired 3/26/2025

Se-ok wants revenge for what Deok-hee did to her and meets Na-nae in the hope of stopping Deok-hee from winning the Ichida trophy, an award he is poised to win for the tenth consecutive year.

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