Dark 1998 on netflix

Nightmare school, nightmare at school. When Tim, Evelyn and Niclas have to write an exam, strange things happen: The supervisor disappears without a trace, the night is overwhelmed by a deep dark, a black man scurries through the corridors, and the building itself floats detached in the void. To escape this nirvana, the three teenagers have to face their own fears. But do you dare to …?