Teach You a Lesson

Teach You a Lesson

참교육

Let us protect you!

Ended First aired 05/Jun/2026 South Korea Korean 1 season(s) 10 episode(s)
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.
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TimeScore 36% Skip It
Binge Meter 56% Slow Burn
Episode Pulse Quiet 40% activity score
Drop Rate 0% Very Low

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Seasons & Episodes

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Season 1 · Season 1
10 episode(s) · Air date: 05/Jun/2026
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Season Overview

The National Assembly and the Minister of Education passes the Amendment to the Act on the Protection of Teachers' Rights. With the passage of the law, a new government organization, the Educational Rights Protection Bureau, is formed. Na Hwa-jin belongs to the Educational Rights Protection Bureau. He is sent to a problem school as a supervisor. There, he can educate the students without any restrictions or limitations.

Season Overview

The National Assembly and the Minister of Education passes the Amendment to the Act on the Protection of Teachers' Rights. With the passage of the law, a new government organization, the Educational Rights Protection Bureau, is formed. Na Hwa-jin belongs to the Educational Rights Protection Bureau. He is sent to a problem school as a supervisor. There, he can educate the students without any restrictions or limitations.

S1E9
Episode 9
Air date: 05/Jun/2026 · Runtime: 67 min
Summary

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.

Summary

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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S1E8
Episode 8
Air date: 05/Jun/2026 · Runtime: 60 min
Summary

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

Summary

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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S1E7
Episode 7
Air date: 05/Jun/2026 · Runtime: 64 min
Summary

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.

Summary

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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S1E6
Episode 6
Air date: 05/Jun/2026 · Runtime: 69 min
Summary

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.

Summary

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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S1E5
Episode 5
Air date: 05/Jun/2026 · Runtime: 66 min
Summary

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.

Summary

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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S1E4
Episode 4
Air date: 05/Jun/2026 · Runtime: 68 min
Summary

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.

Summary

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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S1E3
Episode 3
Air date: 05/Jun/2026 · Runtime: 72 min
Summary

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.

Summary

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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S1E2
Episode 2
Air date: 05/Jun/2026 · Runtime: 57 min
Summary

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.

Summary

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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S1E1
Episode 1
Air date: 05/Jun/2026 · Runtime: 52 min
Summary

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.

Summary

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.

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Cast

Main cast members.

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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
Pyo Ji-hoon
Pyo Ji-hoon
Bong Geun-dae
Kim Jong-soo
Kim Jong-soo
Hwang Gi-tae
Ahn Ha-young
Ahn Ha-young
Choi Ga-yun
Lee Bong-joon
Lee Bong-joon
Cho Gyu-cheol
Lee Chan-yong
Lee Chan-yong
Kim Gyeong-min
Lee Seung-gyu
Lee Seung-gyu
Ryu Jun-hyeong
Jeong Soo-hyun
Jeong Soo-hyun
Park Dae-seok
Kim Do-gun
Kim Do-gun
Kim Gwang-su
Jeon Bong-seok
Jeon Bong-seok
Kim Hyeong-ju
Ok Jin-uk
Ok Jin-uk
Cho In-beom
Yoo Tae-joo
Yoo Tae-joo
Park Seong-hwan
Lee Tae-hwan
Lee Tae-hwan
Jang Kwon-hyuk
Seong No-jin
Seong No-jin
Principal
Byun Yun-jeong
Byun Yun-jeong
Hyeong-ju's mother
Kim Chan-hyung
Kim Chan-hyung
Du-mok

Crew

Creators, directors, writers, and production crew.

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No Photo
Ryu Seon-gwang
Production Design
No Photo
Lee I-jin
Props
No Photo
Yun Ju-hwan
Director of Photography
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Yumi An
Costume Design
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Jun Young-min
Makeup & Hair
Hong Jong-chan
Hong Jong-chan
Director
No Photo
Park In-cheol
Editor
No Photo
Jeon Byeong-yun
Lighting Director
Kim Tae-seong
Kim Tae-seong
Original Music Composer
No Photo
Gang Hye-yeong
Sound Supervisor
No Photo
Kim Da-hee
Screenplay
Lee Nam-kyu
Lee Nam-kyu
Screenplay

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