S01E0152:251. Episode 1Inspector 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.Episodes — Season 1
Season pageS01E0152:251. Episode 1Inspector 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.
S01E0257:432. Episode 2With 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.
S01E031:12:493. Episode 3When 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.
S01E041:08:304. Episode 4Choi 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.
S01E051:06:045. Episode 5When 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.
S01E061:09:306. Episode 6Four juvenile delinquents think they're above the law — until the team takes an interest in their extracurricular crimes and gives a harsh reality check.
S01E071:04:127. Episode 7Geun-dae goes undercover to help a father find his gambling addict son. To undermine the bureau politically, Hwang Gi-tae visits a juvenile inmate.
S01E081:00:018. Episode 8After a pre-med student collapses in class, Hwa-jin investigates his obsessive mother, whose access to illicit pills hints at a larger conspiracy.
S01E091:07:159. Episode 9To 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.
S01E101:01:0810. Episode 10After public backlash hits the bureau, Hwa-jin and his team go rogue to expose a deadly conspiracy led by a violent student-run gang.Where to stream Teach You a Lesson
Subscription
Netflix
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NetflixNetflix Standard with AdsAvailability provided by JustWatch via TMDB, details on TMDB. Offers in the United States, subject to change.
Teach You a Lesson synopsis
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.
Teach You a Lesson cast
Kim Moo-yulNa Hwa-jin · 10 ep.
Lee Sung-minChoi Kang-seok · 10 ep.
Jin Ki-jooIm Han-rim · 10 ep.
P.OBong Geun-dae · 10 ep.
Ahn Ha-youngChoi Ga-yun · 9 ep.
Kim Jong-sooHwang Gi-tae · 9 ep.
Lee Bong-joonCho Gyu-cheol · 9 ep.
Lee Yeo-jinAnchor · 7 ep.
Baek Ji-hyeGi-tae's Assistant · 4 ep.
Choi Jae-supPrison Officer Kang (uncredited) (archive footage) · 4 ep.
Jin Si-wonReporter 3 · 4 ep.
Kim Eun-heeReporter 4 · 4 ep.
Kim Beong-chounLee Cheol-myeon · 3 ep.
Lee Seo-hanSeo Beom-su · 3 ep.
Lee Ho-cheolReporter 1 · 3 ep.Song Seon-hyoReporter 2 · 3 ep.Teach You a Lesson trailer
About the series Teach You a Lesson
Teach You a Lesson is a series (action & adventure and drama) created by Chae Yong-taek and Han Ga-ram, airing on Netflix since 2026. It has 1 season and 10 episodes of about 70 minutes each. The series ended on June 5, 2026. Cast members include Kim Moo-yul, Lee Sung-min and Jin Ki-joo. It is rated 9.4/10 by 976 TMDB users.
Frequently asked questions about Teach You a Lesson
Where to watch Teach You a Lesson online?
In the United States, Teach You a Lesson is available with a subscription on Netflix and Netflix Standard with Ads (source: JustWatch via TMDB, offers subject to change). Each episode has its own page with this information.
How many seasons of Teach You a Lesson are there?
Teach You a Lesson has 1 season for a total of 10 episodes.
Has Teach You a Lesson ended?
Yes, the series has ended: the last episode aired on June 5, 2026.
Who stars in Teach You a Lesson?
The lead actors are Kim Moo-yul (Na Hwa-jin), Lee Sung-min (Choi Kang-seok), Jin Ki-joo (Im Han-rim), P.O (Bong Geun-dae), Ahn Ha-young (Choi Ga-yun).
