When did Undercover High School Season 1 Episode 9 air?
Undercover High School Season 1 Episode 9 aired on March 21, 2025.
Undercover High School
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.
Created by: Im Young-bin, Choi Jeong-in
Season 1 · Episode 9
The Mathematics Teacher
Mar 21, 2025·1h 7m
As Su A recovers in the hospital following the attack during the break-in, Hae Seong and the team uncover the culprit: Lee Jun Ho, the mathematics teacher. When Hae Seong detects his father's notebook missing, he realizes that Seo Myeong Ju orchestrated the break-in. After Lee Jun Ho's arrest and confession, the revelation of the school's grade-rigging scandal throws the institution into chaos. Amid the turmoil, Hae Seong stumbles upon a crucial clue to the final scary story.
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How long is Undercover High School Season 1 Episode 9?
This episode runs for approximately 67 minutes.
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