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 poster

Teach You a Lesson (2026)

Let us protect you!

★ 9.4/10 June 5, 2026 1 season

Action & AdventureComedyDrama

Creator: Chae Yong-taek, Han Ga-ram  ·  Writers: Lee Nam-kyu, Kim Da-hee, Moon Jong-ho

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.

Where to watch

Netflix Netflix Netflix Standard with Ads Netflix Standard with Ads

Trailer

Creators

Chae Yong-taek Chae Yong-taek Han Ga-ram Han Ga-ram

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

User Reviews (7)

MSSR
MSSR June 11, 2026
★ 9/10

I am completely hooked on Teach You a Lesson. It is rare to find a show that balances a satisfying, high-octane "power fantasy" premise with actual substance. Every episode feels like a fresh, high-stakes investigation that teaches a new lesson. It’s not just about the action—though Kim Mu-yeol’s performance is brilliant—it’s about the underlying message of finding justice in a broken system. Watching corrupt individuals finally face the consequences of their actions is incredibly cathartic. The writing is sharp, the pacing is fast, and the emotional stakes keep you invested until the very end. If you’re looking for a K-drama that is as thrill-inducing as it is meaningful, this is well worth your time. Highly recommended!

dark-king178
dark-king178 June 12, 2026

The series drops viewers into an alternate South Korea where the classroom has completely devolved. Hamstrung by youth-protection laws and terrified of wealthy, hyper-influential parents, teachers have lost all authority. In this vacuum, vicious student gangs and cyberbullies rule with absolute immunity

ratulislamsagor
ratulislamsagor June 19, 2026

this is absulate peak. best kdrama of the year or i'd say best drama of this year. highly recommended watch this masterpiece! 💥

ℛ.
ℛ. July 12, 2026
★ 8/10

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. Although in my own place the bullying cases are not that bad (or so I thought). 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. …

Dean
Dean August 29, 2026
★ 10/10

I love TV shows like this and no one does it better than Koreans. Great show. It has heart inside, has good soundtracks and good morale story. Definitely 10/10!

𝑪𝒓𝒆𝒍𝒊𝒔𝒚𝒂
𝑪𝒓𝒆𝒍𝒊𝒔𝒚𝒂 September 18, 2026
★ 5/10

***It's way too theatrical*** *I had pretty high expectations for this drama, mainly because of the cast, the director, and especially the concept. The idea of the **(ERPB)**, protecting the right to education, and tackling school bullying is something I’m really interested in, so I was genuinely curious to see how this organization would be used in the story.* *In the end, even though it’s overall decent and the variety of cases is interesting, I still came away a bit disappointed. I felt like the writing was way too simplistic, and I kept having the impression that the drama was missing the opportunity to explore something much deeper and more nuanced. Some cases work better than others, but overall I was expecting something a lot more ambitious.* *That being said, I really liked the case in episode 5. It’s probably one of the strongest episodes so far. It deals in a p…

LM1010
LM1010 October 1, 2026
★ 8/10

*Teach You a Lesson* was a really enjoyable watch for me. It has a good balance of **action, drama, and comedy**, with enough serious moments to keep the story engaging without making it feel too heavy. What I particularly enjoyed was the **unconventional premise and the way the characters interact**. The show has plenty of fun moments, and some scenes genuinely had me laughing 😂. The cast also works well together, especially when the story shifts between its more dramatic and comedic sides. It isn't a flawless series, and there are moments where the pacing or story could have been tighter, perhaps i just wanted more of it, but overall it was **easy to get invested in and fun to watch**. **My vibe: 80%** — definitely a show I enjoyed and would recommend to someone looking for a light but entertaining mix of comedy, drama, and action. - Refined by AI