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Poster for Teach You a Lesson

Teach You a Lesson

9.4/10 1,015 votes
Action & AdventureDramaComedy

An inspector from the Educational Rights Protection Bureau (ERPB) who is authorized by the government to use physical intervention and unconventional methods to discipline delinquent students and reform the educational system.

Created by:
Chae Yong-taek, Han Ga-ram
Cast:
Kim Moo-yul, Lee Sung-min, Jin Ki-joo, P.O
Language:
Korean
Country:
South Korea
Network:
Netflix

Episode guide

Seasons

1 available

Season 1

Episodes

Episode 1 selected
Still from Episode 1 E01

Episode 1

★ 8.0

Episode 1

2026-06-05 · 52m

Inspector Na Hwa-jin steps into the chaos and takes control of a school plagued by the spoiled son of a powerful politician — to teach him a lesson.

Current episode
Still from Episode 2 E02

Episode 2

★ 8.0

Episode 2

2026-06-05 · 57m

With unassuming Bong Geun-dae on his side, Hwa-jin uses his special ops skills to handle a school gang and defend a student who just wants to study.

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Still from Episode 3 E03

Episode 3

★ 8.5

Episode 3

2026-06-05 · 72m

When a teen influencer spreads false claims about her teachers, the team's loose-cannon Inspector Im Han-rim steps in to set the record straight.

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Still from Episode 4 E04

Episode 4

★ 8.6

Episode 4

2026-06-05 · 68m

Choi Gang-seok weathers a political attack on his bureau. Hwa-jin's team visits an elite school to uncover why a student attacked a respected teacher.

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Still from Episode 5 E05

Episode 5

★ 8.7

Episode 5

2026-06-05 · 66m

When an elementary school teacher's spirit wears down under pressure, Hwa-jin steps in to be her substitute — turning the tables to solve the case.

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Still from Episode 6 E06

Episode 6

★ 8.8

Episode 6

2026-06-05 · 69m

Four juvenile delinquents think they're above the law — until the team takes an interest in their extracurricular crimes and gives a harsh reality check.

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Still from Episode 7 E07

Episode 7

★ 8.6

Episode 7

2026-06-05 · 64m

Geun-dae goes undercover to help a father find his gambling addict son. To undermine the bureau politically, Hwang Gi-tae visits a juvenile inmate.

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Still from Episode 8 E08

Episode 8

★ 8.4

Episode 8

2026-06-05 · 60m

After a pre-med student collapses in class, Hwa-jin investigates his obsessive mother, whose access to illicit pills hints at a larger conspiracy.

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Still from Episode 9 E09

Episode 9

★ 8.3

Episode 9

2026-06-05 · 67m

To help a student escape his exploitative friends, Han-rim adopts a new persona to join his circle. Cho Gyu-cheol's return puts the bureau in danger.

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Still from Episode 10 E10

Episode 10

★ 8.0

Episode 10

2026-06-05 · 61m

After public backlash hits the bureau, Hwa-jin and his team go rogue to expose a deadly conspiracy led by a violent student-run gang.

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Cast

Kim Moo-yul

Kim Moo-yul

Na Hwa-jin

Lee Sung-min

Lee Sung-min

Choi Kang-seok

Jin Ki-joo

Jin Ki-joo

Im Han-rim

P.O

P.O

Bong Geun-dae

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