The WORST episodes of Teach You a Lesson

Every episode of Teach You a Lesson ever, ranked from worst to best by thousands of votes from fans of the show. The worst episodes of Teach You a Lesson!

When respect collapses in schools, a special unit arrives to set things right — with sharp, no-nonsense lessons you won't find in textbooks.

Last Updated: 6/9/2026Network: NetflixStatus: Ended

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#1 - Episode 1

Season 1 - Episode 1 - Aired 6/5/2026

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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#2 - Episode 2

Season 1 - Episode 2 - Aired 6/5/2026

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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#3 - Episode 3

Season 1 - Episode 3 - Aired 6/5/2026

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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#4 - Episode 4

Season 1 - Episode 4 - Aired 6/5/2026

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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#5 - Episode 5

Season 1 - Episode 5 - Aired 6/5/2026

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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#6 - Episode 6

Season 1 - Episode 6 - Aired 6/5/2026

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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#7 - Episode 7

Season 1 - Episode 7 - Aired 6/5/2026

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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#8 - Episode 8

Season 1 - Episode 8 - Aired 6/5/2026

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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#9 - Episode 9

Season 1 - Episode 9 - Aired 6/5/2026

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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#10 - Episode 10

Season 1 - Episode 10 - Aired 6/5/2026

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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