Watch Undercover High School (2025) Free Online
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.
Undercover High School is a 2025 action & adventure, comedy and drama TV series created by Im Young-bin and Choi Jeong-in starring Seo Kang-joon, Jin Ki-joo and Kim Shin-rock. The series has 1 season and 12 episodes. Viewers rate it 8.0/10 on TMDB based on 66 votes.
- First aired: 2025-02-21
- Seasons: 1
- Episodes: 12
- Status: Ended
- Genres: Action & Adventure, Comedy, Drama
- TMDB rating: 8.0/10
Undercover High School cast
Seo Kang-joon, Jin Ki-joo, Kim Shin-rock, Kim Min-ju, Yoon Ga-i, Kim Young-ah, Lee Hyun So, Yun Chae-bin, Kim Sun-min, Kim Seung-beom