
Nightmare Teacher
악몽선생
A mysterious substitute teacher arrives at Yosan Private High School, sparking strange occurrences and a class president's investigation.
A homeroom teacher of Yosan Private High School has an accident, and thus a substitute comes to fill in. Han Bong-Gu is a mysterious man, and after strange occurrences the class president Ye-Rim tries to get to the bottom of this mystery.
Editorial mood guide by WatchMoodly Editorial Team · Base catalog metadata via TMDB.
7.7/10 avg · 32 ratings
Mood Rationale & Viewing Guide: Should You Watch Nightmare Teacher?
Within our mood classification system, Nightmare Teacher aligns strongest with a thriller / sad / chill viewing mood (edge-of-your-seat suspense, mystery, and psychological depth). Key tonal signals include dark mystery, heartwarming teacher student, underrated gem, slow burn, strong female lead, anti hero, making it a strong pick when you want a story driven by those themes without spoilers.
Watch If…
- •You want a mystery, drama k-drama released in 2016.
- •You enjoy themes centered on dark mystery, heartwarming teacher student, underrated gem, slow burn.
- •You want a self-contained story that matches your current mood.
Skip If…
- •You are looking for a purely lighthearted, zero-stress comfort watch without dark or tense themes.
- •You only watch completed stories and prefer not to wait for upcoming episodes.
Official Trailer

Official Streaming Platforms
Frequently Asked Questions About Nightmare Teacher
Where can I watch Nightmare Teacher (2016) legally online?
Nightmare Teacher is available through official platforms including Viki. Use the streaming links on this page to open the licensed release directly.
What mood and genres does Nightmare Teacher fit best?
Nightmare Teacher is classified under Mystery, Drama and best matches a thriller or sad or chill mood, featuring elements of dark mystery, heartwarming teacher student, underrated gem, slow burn, strong female lead.
How many episodes does Nightmare Teacher have?
Nightmare Teacher (2016) is currently marked as ongoing.
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