The BEST episodes of Inspector Koo

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

A reclusive ex-cop reenters the game as an insurance investigator, searching for clues in crime scenes perfectly staged by a serial killer in her midst.

Last Updated: 5/31/2024Network: JTBCStatus: Ended
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Episode 10
star
8.56
18 votes

#1 - Episode 10

Season 1 - Episode 10 - Aired 12/5/2021

Kyung-yi inches closer to finding out the truth behind the boat party. Yi-kyung tries to escape the suffocating grasp of Yong-suk's control.

Watch Now:Amazon
Episode 7
star
8.22
18 votes

#2 - Episode 7

Season 1 - Episode 7 - Aired 11/20/2021

In a high-stakes game of cat and mouse, Kyung-yi tries to find and stop the deadly plans Yi-kyung has set in place for Ko Dam's public event.

Watch Now:Amazon
Episode 9
star
8.11
18 votes

#3 - Episode 9

Season 1 - Episode 9 - Aired 12/4/2021

Yi-kyung joins hands with Yong-suk, replacing a down-in-the-dumps Kyung-yi who falls out of favor with the strong-handed director.

Watch Now:Amazon
Episode 12
star
8.11
18 votes

#4 - Episode 12

Season 1 - Episode 12 - Aired 12/12/2021

Santa is held hostage by Yi-kyung, who reveals his identity to a disbelieving Kyung-yi. Yong-suk's plans blow up in her face.

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Episode 11
star
8.06
18 votes

#5 - Episode 11

Season 1 - Episode 11 - Aired 12/11/2021

Yong-suk begs for Kyung-yi's help after a video of the yacht party is leaked. Yi-kyung taps a member of Kyung-yi's team for a covert collaboration.

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Episode 8
star
8.05
19 votes

#6 - Episode 8

Season 1 - Episode 8 - Aired 11/21/2021

Yi-kyung's loss plunges her into a world of reckless darkness. Both Yi-kyung and Kyung-yi seek answers on the inexplicable outcome of the event.

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Episode 2
star
7.96
24 votes

#7 - Episode 2

Season 1 - Episode 2 - Aired 10/31/2021

Kyung-yi suspects there's more to this accident than meets the eye. Reuniting with an old classmate, Song Yi-kyung hears about a former teacher's fate.

Watch Now:Amazon
Episode 6
star
7.95
20 votes

#8 - Episode 6

Season 1 - Episode 6 - Aired 11/14/2021

Kyung-yi sifts through Yi-kyung's playbooks to find out the next target. An outcast's account takes the team to an IT company headed by a public figure.

Watch Now:Amazon
Episode 5
star
7.90
20 votes

#9 - Episode 5

Season 1 - Episode 5 - Aired 11/13/2021

Jung Jeong-yeon thinks back to a traumatic incident in her niece's past. Following a hunch that "K" might leave the country, Kyung-yi's team sets a trap.

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Episode 4
star
7.89
18 votes

#10 - Episode 4

Season 1 - Episode 4 - Aired 11/7/2021

Santa's chase after "K" puts the team on high alert, especially Kyung-yi. A spooked co-conspirator distances himself from the criminal mastermind.

Watch Now:Amazon
Episode 3
star
7.65
20 votes

#11 - Episode 3

Season 1 - Episode 3 - Aired 11/6/2021

A news story about a criminal's light sentence establishes the next target for "K," who sets the scene at a bustling university campus.

Watch Now:Amazon
Episode 1
star
7.28
29 votes

#12 - Episode 1

Season 1 - Episode 1 - Aired 10/30/2021

In need of a big win at work, Na Je-hui plays on Koo Kyung-yi's strengths and weaknesses to enlist her help on a missing person's case.

Watch Now:Amazon