Teach You a Lesson
Action & AdventureDramaComedy

Teach You a Lesson

“Let us protect you!”

9.4/10 2026 1 Season 10 Episodes

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.

On screen

Top 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

Ahn Ha-young

Ahn Ha-young

Choi Ga-yun

Kim Jong-soo

Kim Jong-soo

Hwang Gi-tae

Lee Bong-joon

Lee Bong-joon

Cho Gyu-cheol

Lee Yeo-jin

Lee Yeo-jin

Anchor

Baek Ji-hye

Baek Ji-hye

Gi-tae's Assistant

Choi Jae-sup

Choi Jae-sup

Prison Officer Kang (uncredited) (archive footage)

Jin Si-won

Jin Si-won

Reporter 3

Kim Eun-hee

Kim Eun-hee

Reporter 4

Episodes guide

Seasons

Season 1

Season 1

10 episodes · 2026

Preview

Official Trailer

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