TV series
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.
Streaming, rental and purchase options
Checked Nov 1, 2026
Nightmare Teacher is available to stream on Rakuten Viki in United States. Use the direct links below to open the provider.
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.
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Episode 1
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.
Where to watch Nightmare Teacher
Episode information updated Nov 14, 2026
Uhm Ki-joonHan Bong-goo
Kim So-hyunKang Ye-rim
Lee Min-hyukSeo Sang-woo
Seo Shin-aeKim Seul-gi
Baek Seung-doOh Ki-chul
Kim Ji-ahnDo Do-hee
Jang Kyoung-upCheon Jae-su
Kim Da-yeAhn Si-yeon
NAVER TVSouth Korea
