Let us protect you!
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 (2026) is a action & adventure, drama and comedy series that premiered on June 5, 2026, spanning 1 season and 10 episodes. It stars Kim Moo-yul, Lee Sung-min, Jin Ki-joo and P.O. Viewers rate it 9.4 out of 10 across 883 ratings.
Watch the official trailer for Teach You a Lesson before you start streaming.
Official trailers, teasers, clips and featurettes for Teach You a Lesson.
Trailer
Teaser
Behind the Scenes
Kim Moo-yul
as Na Hwa-jin
Lee Sung-min
as Choi Kang-seok
Jin Ki-joo
as Im Han-rim
P.O
as Bong Geun-dae
Kim Jong-soo
as Hwang Gi-tae
Ahn Ha-young
as Choi Ga-yun
Lee Bong-joon
as Cho Gyu-cheol
Average viewer score of 9.4/10 from 883 ratings.
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…
Reviewed on June 11, 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
Reviewed on June 12, 2026
this is absulate peak. best kdrama of the year or i'd say best drama of this year. highly recommended watch this masterpiece! 💥
Reviewed on June 19, 2026
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…
Reviewed on July 12, 2026
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Teach You a Lesson (2026) is available to stream on Netflix and Netflix Standard with Ads. Availability comes from JustWatch data and varies by country.
Teach You a Lesson has 1 season and 10 episodes in total, starting from its premiere on June 5, 2026.
No. Teach You a Lesson is marked as ended, with the final episode airing on June 5, 2026.
Teach You a Lesson (2026) stars Kim Moo-yul, Lee Sung-min, Jin Ki-joo, P.O and Kim Jong-soo. The full cast list with character names is available in the cast section of this page.
Teach You a Lesson (2026) is rated 9.4 out of 10 from 883 viewer votes, and suits viewers who like action & adventure, drama and comedy series. Reviews from viewers are collected further down this page.
The official Teach You a Lesson trailer is embedded in the trailer section of this page and plays instantly in your browser.
