Episode 1

S1 : E1 | TV-14 | 43 min | Aired: 09.12.23

Disturbing events in the world's oceans alarm scientists around the globe, launching an investigation into a mysterious threat to humanity's fragile existence.

Episode 3

S1 : E3 | TV-14 | 42 min | Aired: 09.26.23

While Venice suffers an unprecedented plague of jellyfish, it's discovered that a mutated bacterium is the cause of a growing number of deaths on the coasts.

Episode 4

S1 : E4 | TV-14 | 42 min | Aired: 10.03.23

Political leaders grow skeptical about the dramatic situation on the French Atlantic coast, while the ice worms on the sea bed continue to spread.

Episode 5

S1 : E5 | TV-14 | 43 min | Aired: 10.10.23

A tsunami is heading for the Atlantic coast of Northern Europe and Shetland.

Episode 6

S1 : E6 | TV-PG | 42 min | Aired: 10.17.23

Johanson suspects that an unknown marine intelligence, which he calls Yrr, is behind the strange happenings, and wants to contact the life form.

Episode 7

S1 : E7 | TV-14 | 43 min | Aired: 10.24.23

The expedition to study the Yrr sets out for the Arctic, where a large number of Yrr signals were spotted.

Episode 8

S1 : E8 | TV-14 | 43 min | Aired: 10.31.23

With humanity's future at stake, the team butts heads on what to do. In a desperate situation, a radical decision is made.