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Season 1 – Teach You a Lesson

Play trailer 1:23 Poster for Season 1 – Teach You a Lesson Jun 2026 Action Crime Comedy Mystery & Thriller Play Trailer Watchlist
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89% Tomatometer 9 Reviews 95% Popcornmeter 100+ Ratings
When respect collapses in schools, unconventional inspectors arrive to set things right, with sharp, no-nonsense lessons you won't find in textbooks.
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Teach You a Lesson — Season 1

Critics Reviews

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Weiting Liu Common Sense Media 2d
4/5
Teach You a Lesson is a thought-provoking drama that sparks meaningful conversations about bullying, accountability, and the hopes and limits of institutional reform. Go to Full Review
Suwitcha Chaiyong Bangkok Post Jul 6
Supported by natural performances from both the main and supporting cast, it is a thought-provoking series that keeps viewers engaged, regardless of whether they agree with using violence or not. Go to Full Review
S. Poorvaja The Hindu Jun 29
Do we have a winning formula on our hands? Or a possible second season that sees the return of the ERPB? Either way, this is the no-frills entertainment that has been missing from K-Dramas for a while now. Go to Full Review
Sarah Musnicky But Why Tho? Jun 14
7.5/10
Teach You A Lesson ultimately ends as a chaotic viewing experience. With its blend of action, comedy, and incredibly serious subject matter, it's a lot to take in, but it culminates in a mostly fun venture. Go to Full Review
Jae-Ha Kim Jae-Ha Kim (Substack) Jun 13
3/4
"Teach You a Lesson" Questions Whether Violence Against Teens is Ever Justified. This superb new K-drama led by Kim Mu-yeol presents arguments that it can be. Go to Full Review
Archi Sengupta LeisureByte.com Jun 8
3.5/5
Teach You a Lesson is an enjoyable watch that looks great and is acted superbly. Go to Full Review
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Audience Reviews

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Taylor K @RT10662526 10h Stressful, but a really unique concept. It offers an interesting look at how to approach juvenile discipline when it seems every other system has failed these kids. It raises important questions: How do we protect other students, teachers, and society while also giving young people the opportunity to grow into contributing members of society? The film opens the door to thoughtful discussion about accountability and whether stronger consequences, rather than repeated slaps on the wrist, are sometimes necessary. Whether you agree with its perspective or not, it definitely gives you something to think about. See more Prim R @moilady 21h There's so much I want to say about this drama. But let's keep it short. This drama, which explores bullying in schools, left me with mixed feelings. It is both terrifying and sad to realize that perhaps in some places cases of bullying are becoming more and more common. Like the tip of the iceberg, this bullying seems to be a hidden threat for a long time. But one thing I've realized is that recent bullying cases are truly horrific. It's as if the psychological impact on the victims isn't a problem. The perpetrators can still live, but the victims? Life feels reluctant. It's a bittersweet, but bullying between students, teacher-on-student violence, student-on-teacher resentment, and even parental accusations against teachers do exist, and will continue to happen if we can't control ourselves. Aside from the bullying things, I personally really enjoyed this drama, especially the interactions between Na Hwajin and Minister Choi. The dry, dad-like comedy was also quite entertaining. See more John S @RT56707526 5d Thanks to Netflix, I have become a huge fan of K-dramas. They know how to hit you right where it counts, in ways you don't expect. This show is no exception. Each episode will hit you in different ways. This is a show you really can't watch all at one time, it's too emotionally draining in a good way. Please keep making K-drams that put American shows to shame. See more Mahnoor T @shrody 6d It was a nice. Highkey refreshing to se as a student! I loved the trio. Ofc........🤓 It was an interesting one with comedy!! The comedy and irony made it so much more engaging!! Though about one or two episodes were boring, I just feel that way, not because of the theme they chose. I am also surprised Korea finally made a drama on this whole system. Anyways. 😛 See more Elizabete D @BettyDavis Jul 12 Teach You a Lesson is one of the most powerful Korean dramas I've seen. The cast is outstanding, delivering emotional and believable performances that make every character feel real. The writing is equally impressive, with compelling stories that keep you invested while tackling the painful reality of bullying. What makes this drama so memorable is how relevant it is today. Too often, victims suffer in silence, carrying fear, trauma, and shame, while those responsible face few consequences. This series reminds us how important it is to protect those who are hurting, encourage them to speak up, and hold bullies accountable. Schools should be places where students feel safe, supported, and heard. Every school could benefit from having someone with the compassion and determination shown in this drama. Thought-provoking, emotional, and brilliantly acted, Teach You a Lesson is a series that deserves to be seen. See more P D @RT81118135 Jul 11 #Teach You A Lesson is an absolute masterpiece! 🔥 The story of the ERPB taking down systemic bullying and corruption is pure cathartic dopamine. Kim Mu-yeol as the savage Na Hwa-jin is completely unforgettable. Request to netflix, awaiting for Season 2 ! 💥📢 See more Read all reviews
Teach You a Lesson — Season 1

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Episodes

Episode 1 Aired Jun 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. Details Episode 2 Aired Jun 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. Details Episode 3 Aired Jun 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. Details Episode 4 Aired Jun 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. Details Episode 5 Aired Jun 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. Details Episode 6 Aired Jun 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. Details Episode 7 Aired Jun 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. Details Episode 8 Aired Jun 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. Details Episode 9 Aired Jun 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. Details Episode 10 Aired Jun 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. Details
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Season Info

Director
Hong Jong-chan
Creator
Lee Nam-kyu, Moon Jong-ho
Screenwriter
Lee Nam-gyu, Kim Dahee, Mun Jong-ho
Network
Netflix
Rating
TV-MA
Genre
Action, Crime, Comedy, Mystery & Thriller
Original Language
Korean
Release Date
Jun 5, 2026