When did Undercover High School Season 1 Episode 4 air?
Undercover High School Season 1 Episode 4 aired on March 1, 2025.


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.

Hae-sung attends the anti-bullying committee session with a key witness who clears his name, while Dong-min finally finds the courage to stand up for himself. With his name vindicated, Hae-sung uncovers the existence of another grandfather clock hidden in the student council room, and the only way to get closer to it is by joining the student council. With the help of his team, he tries to meet the strict requirements.
Direct answers for episode-level questions and details.
Undercover High School Season 1 Episode 4 aired on March 1, 2025.
This episode runs for approximately 66 minutes.
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