E1 - Secrets

Aired: December 01, 2017

In 2019, a local boy's disappearance stokes fear in the residents of Winden, a small German town with a strange and tragic history.

E2 - Lies

Aired: December 01, 2017

When a grim discovery leaves the police baffled, Ulrich seeks a search warrant for the power plant. A mysterious stranger checks into the hotel.

E3 - Past and Present

Aired: December 01, 2017

It's 1986, and Ulrich's brother, Mads, has been missing for a month. Confusion reigns as past and present intertwine.

E4 - Double Lives

Aired: December 01, 2017

Bizarre occurrences give Charlotte a sense of déjà vu, and she suspects Peter is hiding something. Franziska snaps when Magnus confronts her.

E5 - Truths

Aired: December 01, 2017

Hannah takes her obsession with Ulrich too far. The stranger asks Regina to deliver an important package. Martha is torn between Jonas and Bartosz.

E6 - Sic Mundus Creatus Est

Aired: December 01, 2017

Ulrich looks to the past for answers and dredges up disturbing family secrets. Armed with new tools, Jonas probes the cave's murky depths.

E7 - Crossroads

Aired: December 01, 2017

Ulrich questions a frail and frightened Helge in the nursing home. Jonas searches for Mikkel, but the stranger warns him about meddling with the past.

E8 - As You Sow, So You Shall Reap

Aired: December 01, 2017

In 1953, the disfigured bodies of two boys are exhumed at a construction site, the future location of Winden's nuclear power plant.

E9 - Everything Is Now

Aired: December 01, 2017

Ulrich runs afoul of the law, Helge tries to dodge Egon Tiedemann, Claudia harnesses the cave's powers, and Katharina lashes out at Hannah.

E10 - Alpha and Omega

Aired: December 01, 2017

Peter gets a shock. Jonas learns the truth about his family, but there are more surprises still to come. Helge makes a sacrifice.