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Undercover High School (2025) – Official Series Trailer, Cast & Seasons
Undercover High School at a Glance
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. It first aired on February 21, 2025 on MBC and has 1 season and 12 episodes. The series has ended, with its last episode airing on March 29, 2025, and it is rated 8.0/10 by TMDB users across 63 votes.
Watch the official Undercover High School trailer for free in 123Movies below.
1080p HD • Free YouTube Stream
Seasons & Episode Catalog (2)
Specials
1 Episodes • 2025
Season 1
12 Episodes • 2025
Where “Undercover High School” Fits in the 123Movies Catalog
Frequently Asked Questions About Undercover High School
When did Undercover High School first air?
Undercover High School premiered on February 21, 2025 on MBC.
How many seasons does Undercover High School have?
Undercover High School has 1 season with 12 episodes in total, according to TMDB.
Is Undercover High School still running?
No. Undercover High School has ended. Its final episode aired on March 29, 2025.
Who stars in Undercover High School?
Undercover High School stars Seo Kang-joon as Jeong Hae-sung, Jin Ki-joo as Oh Su-ah, Kim Shin-rock as Seo Myung-ju and Kim Min-ju as Lee Ye-na. The cast also includes Yoon Ga-i, Kim Young-ah, Lee Hyun So and Yun Chae-bin.
Who created Undercover High School?
Undercover High School was created by Im Young-bin and Choi Jeong-in.
What network is Undercover High School on?
Undercover High School aired on MBC.
How long are Undercover High School episodes?
Episodes of Undercover High School run about 1 hour 10 minutes, according to TMDB.
What genre is Undercover High School?
Undercover High School is listed on TMDB as a mix of action & adventure, comedy and drama.
What is the TMDB score of Undercover High School?
On TMDB it has an average user score of 8.0/10 from 63 votes.
Where can I watch the trailer for Undercover High School for free?
You can watch the teaser trailer for Undercover High School, "[1차티저] 국정원 요원 서강준, 고등학교에 잠입한다!, MBC 250221 방송", for free on this 123Movies page. It is embedded from YouTube.
What shows are similar to Undercover High School?
Series TMDB recommends alongside Undercover High School include La Femme Nikita (1997), Agent Kim Reactivated (2026), Legends (2026), Lethal Weapon (2016) and Pretty Hard Cases (2021).
Can I watch full episodes of Undercover High School on 123Movies?
No. 123Movies only shows official trailers and series information. Full episodes are not hosted or linked on this site.
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