How many seasons and episodes does Undercover High School have?

Undercover High School features 1 season (12 episodes) available for high-definition streaming on mofli.

Who created Undercover High School and who is in the starring cast?

Undercover High School was created by Im Young-bin, Choi Jeong-in. The starring cast includes Seo Kang-joon, Jin Ki-joo, Kim Shin-rock, Kim Min-ju, Yoon Ga-i.

Are all episodes of Undercover High School available with English subtitles?

Yes, episodes stream with synchronized English subtitles, multiple audio language tracks, and customizable video qualities up to 1080p Full HD on mofli.

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Watch Undercover High School (2025) Poster

Watch Undercover High School (2025) TV Series Online Free in HD

8.0

(63)

2025

1 Season

1080P HD

Action & Adventure Comedy Drama

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.

Start Streaming S1 E1Watch Trailer

Episodes & Seasons

Episodes

No episodes found for this season.

Watch Undercover High School (2025) Online: Streaming & Story Guide

Editorial overview, viewing details, and technical stream playback on mofli

Experience Undercover High School in crisp, high-definition streaming on mofli. 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.

Whether you are catching up on the latest episodes for the first time or revisiting favorite scenes, mofli delivers adaptive bitrate playback with zero buffering delays, multi-language subtitle tracks, and crisp digital audio.

100% Free Streaming1080p Full HDMulti-Language SubtitlesMobile & Desktop Optimized

Quick Snapshot

Category:Television Series

Genres:Action & Adventure, Comedy, Drama

Created By:Im Young-bin, Choi Jeong-in

Lead Cast:Seo Kang-joon, Jin Ki-joo, Kim Shin-rock, Kim Min-ju

Duration:1 season (12 episodes)

Rating:8.0 / 10

Frequently Asked Questions About Undercover High School

Everything you need to know about streaming, release date, subtitles, and cast

You can stream all seasons and episodes of Undercover High School (2025) online in full high definition on mofli with fast buffering and multi-language subtitles.