Teach You a Lesson plot: what the series is about
What happens when the classroom stops being a safe place, and the adults in charge seem powerless to fix it? Teach You a Lesson starts from that question and pushes it to an extreme. In this Korean series, the government sets up a special body, the Educational Rights Protection Bureau, to respond to delinquency and violence in schools.
Its inspectors carry an unusual mandate. They are officially allowed to step in physically and to use methods no ordinary teacher could. Their goal is to bring troublemaking students into line and shake up an education system that has lost its grip. The show’s tagline sums up the attitude: “Let us protect you!”
The story sets this bold idea against a wider web of students, teachers, parents and politicians. It touches on bullying, respect in the classroom and who really holds power in schools. The result is a mix of action, drama and comedy. It also works as pointed social commentary about whether fighting the system with force can ever be the right lesson.
What makes Teach You a Lesson notable
- Cast: Kim Moo-yul plays Na Hwa-jin and Lee Sung-min plays Choi Kang-seok. They are joined by Jin Ki-joo as Im Han-rim, P.O as Bong Geun-dae, Ahn Ha-young as Choi Ga-yun, Kim Jong-soo as Hwang Gi-tae and Lee Bong-joon as Cho Gyu-cheol. Lee Yeo-jin appears as a news anchor.
- Behind the camera: The series is directed by Hong Jong-chan, with scripts by Lee Nam-kyu, Moon Jong-ho and Kim Da-hee. Chae Yong-taek and Han Ga-ram are credited as creators.
- Source material: It is based on a Korean webtoon (manhwa), so fans of the original can see the story in live action.
- Network and format: It is a Netflix original Korean series with one season of 10 episodes, each running around 70 minutes. All episodes premiered on June 5, 2026, and the season has ended.
- Genre blend: It combines action and adventure, drama and comedy. School life serves as the backdrop for bigger social issues.
Is it for you? A quick review-style guide
This section won’t rate the show. It’s simply a look at who the premise and tone are likely to suit:
- K-drama fans who enjoy school stories with a harder, more action-driven edge
- Viewers interested in social commentary on bullying, discipline and education reform
- Readers of Korean webtoons curious to see a manhwa adapted for the screen
- Fans of Lee Sung-min, Kim Moo-yul, Jin Ki-joo or P.O
- Anyone looking for a finished, binge-friendly series of just 10 episodes
Where to watch Teach You a Lesson in the Philippines
In the Philippines, Teach You a Lesson is listed on Netflix, which is available with a paid subscription. As a Netflix series, it premiered on June 5, 2026, with all 10 episodes released the same day. You can watch the full season legally in one go with any active Netflix plan.
Trailer
Cast
Kim Moo-yulas Na Hwa-jin10 episodesSee credits →
Lee Sung-minas Choi Kang-seok10 episodes
Jin Ki-jooas Im Han-rim10 episodes
P.Oas Bong Geun-dae10 episodes
Ahn Ha-youngas Choi Ga-yun9 episodesSee credits →
Kim Jong-sooas Hwang Gi-tae9 episodes
Lee Bong-joonas Cho Gyu-cheol9 episodes
Lee Yeo-jinas Anchor7 episodes
Photo: TMDB
Episode guide
| Season | Episode | Original air date | |
|---|---|---|---|
| 1 | 1 | Aired | |
| 1 | 2 | Aired | |
| 1 | 3 | Aired | |
| 1 | 4 | Aired | |
| 1 | 5 | Aired | |
| 1 | 6 | Aired | |
| 1 | 7 | Aired | |
| 1 | 8 | Aired | |
| 1 | 9 | Aired | |
| 1 | 10 | Aired |
Dates are original broadcast dates in the country of origin (Korea/China). Official streaming platforms in your country may add episodes the same day or later.
FAQ
- How many episodes does Teach You a Lesson have?
- Teach You a Lesson has one season of 10 episodes, each running about 70 minutes. The series has ended.
- Where can I watch Teach You a Lesson legally in the Philippines?
- It is listed on Netflix in the Philippines, which requires a paid subscription.
- When was Teach You a Lesson released?
- The series premiered on Netflix on June 5, 2026. All 10 episodes were released on the same day.
- Who is in the cast of Teach You a Lesson?
- The main cast includes Kim Moo-yul as Na Hwa-jin, Lee Sung-min as Choi Kang-seok, Jin Ki-joo as Im Han-rim and P.O as Bong Geun-dae. Ahn Ha-young, Kim Jong-soo, Lee Bong-joon and Lee Yeo-jin also appear.
- What genre is Teach You a Lesson, and is it based on a webtoon?
- It is a Korean action, drama and comedy series set around schools and education. It is based on a webtoon (manhwa).
THE DAYS
The Early Spring
The First Frost
The Lament of Autumn
The Prisoner of Beauty
The Scandal