First German series production of Netflix.

Most of the outdoor scenes that took place in the woods were shot at the Fahrtechnikakademie Kallinchen near Berlin. This place is a former military testing area of the German Democratic Republic.

Principal photography started on October 18, 2016 in and around Berlin.

Director Baran bo Odar and Producers Max Wiedemann / Quirin Berg already worked together in Who Am I (2014)

The series will be available in 4K resolution.

In February 2016 Netflix green-lit the series for a first season.

The series is available in Dolby Atmos.

Mikkel's skeleton costume is a reference to Donnie Darko. Time travel are important plot pieces in both