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Episode guide

S1·E9 The Mathematics Teacher

Core Aired March 21, 2025 68 min ★ 9.0/10 · 4 TMDB votes
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Synopsis

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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Frequently Asked Questions

When did Season 1 Episode 9 of Undercover High School air?

Season 1, Episode 9 ('The Mathematics Teacher') originally aired on March 21, 2025.

How long is Season 1 Episode 9 ('The Mathematics Teacher')?

The runtime for this episode is approximately 68 minutes.

What happens in Undercover High School Season 1 Episode 9?

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 co...

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