Season 1

1

Episode 1

84%

January 28, 2022 • 1h 6m

Inside Lee Byeong-chan's science lab, a student incurs a seemingly harmless bite. Shortly after, a fast-spreading outbreak soaks the school in blood.

Expand

2

Episode 2

86%

January 28, 2022 • 1h 10m

The infected multiply in droves. Scrambling for their lives, Nam On-jo and Lee Cheong-san find safety with others inside a classroom — but not for long.

Expand

3

Episode 3

79%

January 28, 2022 • 1h 2m

When one of the group is scratched while fighting a zombie, Lee Na-yeon demands they kick him out. Outside, the virus swallows up the city.

Expand

4

Episode 4

86%

January 28, 2022 • 1h 12m

In need of a cellphone, two students take a risky journey to the teachers' office. Byeong-chan passes on critical information to Detective Song Jae-ik.

Expand

5

Episode 5

82%

January 28, 2022 • 56m

Martial law is imposed on the city. When Cheong-san is separated from the rest of the group, On-jo leads a mission to use a drone to locate him.

Expand

6

Episode 6

83%

January 28, 2022 • 1h 7m

The group clears a path to Cheong-san using sound to draw away zombies, but a new type of threat surfaces. Nam So-ju breaks out of the quarantine camp.

Expand

7

Episode 7

86%

January 28, 2022 • 1h

To make it out of the music room and onto the roof, the students put into action their most perilous plan yet. Elsewhere, Jae-ik comes across a setback.

Expand