Undercover High School poster
Where to stream

Undercover High School

8.020251 seasonTV SeriesAction & AdventureComedyDrama

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.

DirectorChoi Jeong-in
WriterIm Young-bin

Where to watch

Rakuten VikiRakuten VikiOnDemandKoreaOnDemandKoreaKocowa Amazon ChannelKocowa Amazon ChannelKocowaKocowa
Availability shown for United States · rights vary by country

Seasons & Episodes

E1
The Emperor's Lost Gold
Feb 21, 2025 8.0
E2
Spooky Stories
Feb 22, 2025 8.0
E3
Ghost Story Riddles
Feb 28, 2025 8.0
E4
Joining the Student Council
Mar 1, 2025 8.0
E5
Student Council
Mar 7, 2025 8.2
E6
Hye Seong's Father's Notebook
Mar 8, 2025 8.0
E7
The 24th Anniversary of Byeongmun High School
Mar 14, 2025 8.2
E8
The Plan for VIP Students
Mar 15, 2025 8.1
E9
The Mathematics Teacher
Mar 21, 2025 9.0
E10
Retribution
Mar 22, 2025 8.8
E11
The Devastating Truth
Mar 28, 2025 8.3
E12
Where The Stars Lead
Mar 29, 2025 8.7

Cast · Directed by Choi Jeong-in

Seo Kang-joon
Seo Kang-joon
Jeong Hae-sung
Jin Ki-joo
Jin Ki-joo
Oh Su-ah
Kim Shin-rock
Kim Shin-rock
Seo Myung-ju
Kim Min-ju
Kim Min-ju
Lee Ye-na
Yoon Ga-i
Yoon Ga-i
Park Mi-jung
Kim Young-ah
Kim Young-ah
Im Chung-ha
Lee Hyun So
Lee Hyun So
Han Seung-jae
Yun Chae-bin
Yun Chae-bin
Yun Chae-rin
Kim Sun-min
Kim Sun-min
Ji Hyeon-jun
Kim Seung-beom
Kim Seung-beom
Kim Ho-jin
Kang Pil-jun
Kang Pil-jun
Son Beom-Sik

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Undercover High School — streaming FAQ

Which OTT platform streams Undercover High School?

Undercover High School is streaming on Rakuten Viki, OnDemandKorea and Kocowa in United States. It's not currently on Netflix.

Is Undercover High School on Netflix?

No, Undercover High School is not on Netflix in United States as of August 2026. It's currently on Rakuten Viki and OnDemandKorea.

Is Undercover High School on Amazon Prime Video?

No, Undercover High School isn't on Amazon Prime Video in United States right now. It's on Rakuten Viki and OnDemandKorea instead.

Where can I watch Undercover High School for free?

Undercover High School is available on Rakuten Viki and OnDemandKorea in United States, but you'll need an active subscription — there's no free option right now.

How many seasons are in Undercover High School?

Undercover High School has 1 season in total (12 episodes). The series concluded in 2025.

Are all episodes of Undercover High School out yet?

Yes — all 12 episodes across 1 season of Undercover High School are out and available to stream.

Is there a Season 2 of Undercover High School?

No — Undercover High School ended after 1 season, so there is no Season 2.