Is Hemligt Hav coming back?

Hemligt Hav ended on December 25, 2021, on TV4. The show concluded after its single season, which aired on that date.

Hemligt Hav was a drama series set in 1984 during the Cold War era. It told the story of two Swedish teenage girls who, while in a rowing boat in the Åland Sea, found themselves in distress at sea. Their encounter with a submarine led to a life-changing experience, and the series explored their ongoing search for the truth about that event.

Each episode had a runtime of approximately 44 minutes. The first and only season consisted of three episodes, all aired on December 25, 2021.