Promotional cover of Teach You a Lesson
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Teach You a Lesson

2026
10 episodes
1 season
95user score

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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Season
Cover of the Season 2 of Teach You a Lesson

Season 2

ended

There won't be a season 2, the show has ended.

Cover of the Season 1 of Teach You a Lesson

Season 1

10 episodes
Jun 5, 2026

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.

Casting
Profile picture of Kim Moo-yul who plays Na Hwa-jin
Kim Moo-yul
Na Hwa-jin
Profile picture of Lee Sung-min who plays Choi Kang-seok
Lee Sung-min
Choi Kang-seok
Profile picture of Jin Ki-joo who plays Im Han-rim
Jin Ki-joo
Im Han-rim
Profile picture of Pyo Ji-hoon who plays Bong Geun-dae
Pyo Ji-hoon
Bong Geun-dae
Profile picture of Kim Jong-soo who plays Hwang Gi-tae
Kim Jong-soo
Hwang Gi-tae
Profile picture of Ahn Ha-young who plays Choi Ga-yun
Ahn Ha-young
Choi Ga-yun
Profile picture of Lee Bong-joon who plays Cho Gyu-cheol
Lee Bong-joon
Cho Gyu-cheol
Network
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Content rating
M18
19
SAM 16
16
A
16+
18
16
16
18+
TV-MA
16
TV-MA
TV-MA
D
15
15
18+
16
16
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