Dark is a German webseries of drama, suspense and science fiction created by Baran bo Odar and Jantje Friese and distributed by Netflix. The series takes place in the fictional city of Winden, Germany, which is impacted by the disappearance of a child, who exposes the hidden secrets and connections between four local families, as they slowly unravel a sinister time travel conspiracy spanning several generations. Throughout the series, Dark explores the existential implications of time and its effects on human nature. It is Netflix's first original German series, having premiered its first full season on December 1, 2017.
After positive reviews, the series was renewed for a second season that was released on June 21, 2019. In the trailer for launching the second season, the series was heralded as "a story told in three 'cycles'" - the ending of which took place in its third and final season, which was released on June 27, 2020.