Season 1
🎬 10 Episodes 📅 2026 ⏱ 52 min Ended ✅
In schools where authority has started to collapse, Na Hwa-jin appears as part of an agency created to protect teachers’ rights and intervene when classrooms turn into spaces of bullying, disorder, and administrative corruption. Teach You a Lesson is not a simple classroom drama; it follows school cases where students, teachers, and institutions are pushed into direct confrontation. The series blends action, school drama, and dark comedy while questioning what happens when a broken education system tries to restore order without facing its deeper problems.
📊 Season Stats
10
Episodes
2026
Year
52
min / ep
8.7
Watch Hours
1/1
Season No.
Ended ✅
Status
🎬 Season Trailer
Watch Trailer
🎬 Episodes 10 episodes
1
Episode 1
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.
2
Episode 2
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.
3
Episode 3
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.
4
Episode 4
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.
5
Episode 5
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.
6
Episode 6
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.
7
Episode 7
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.
8
Episode 8
After a pre-med student collapses in class, Hwa-jin investigates his obsessive mother, whose access to illicit pills hints at a larger conspiracy.
9
Episode 9
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.
10
Episode 10
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.