About Undercover High School
Ace NIS agent Jung Hae-seong is demoted after a mission failure. He goes undercover at a high school to locate King Gojong's missing gold, meeting his teacher Oh Soo-ah, who sees him as her lost first love, stirring old heartbreak.
Series details
- First aired
- 2025-02-21
- Last aired
- 2025-03-29
- Seasons
- 1
- Episodes
- 12
- Genres
- Action & Adventure, Comedy, Drama
- Rating
- 8.0/10 (59 votes)
- Language
- KO
- Network
- MBC
- Status
- Ended
Cast
Seo Kang-joon
Jeong Hae-sung
Jin Ki-joo
Oh Su-ah
Kim Shin-rock
Seo Myung-ju
Kim Min-ju
Lee Ye-na
Yoon Ga-i
Park Mi-jung
Kim Young-ah
Im Chung-ha
Lee Hyun So
Han Seung-jae
Yun Chae-bin
Yun Chae-rin
Kim Sun-min
Ji Hyeon-jun
Kim Seung-beom
Kim Ho-jin
Watch the trailer
You may also like
Frequently asked questions
Where can I watch Undercover High School (2025)?
Watch Undercover High School (2025) on CineStream — 1 season (12 episodes) in HD with subtitles in 20+ languages. Start watching →
How many episodes does Undercover High School have?
Undercover High School has 12 episodes across 1 season. Latest aired 2025-03-29.
Is Undercover High School free to watch?
Yes — every visitor gets a 5-minute free trial. Link your Telegram for 30 bonus minutes, then choose pay-per-minute or unlimited via Telegram Stars.
What's the rating of Undercover High School?
Undercover High School has a rating of 8.0/10 based on 59 viewer votes on TMDB.
Ready to watch Undercover High School?
5-minute free trial • No signup required • HD with subtitles
▶ Start watching now