Seasons & Episodes
Episode 1
Disturbing events in the world's oceans alarm scientists around the globe, launching an investigation into a mysterious
Episode 2
As bizarre occurrences continue to unfold around the world, scientists scramble to find the source of mysterious deaths
Episode 3
While Venice suffers an unprecedented plague of jellyfish, it's discovered that a mutated bacterium is the cause of a gr
Episode 4
Political leaders grow skeptical about the dramatic situation on the French Atlantic coast, while the ice worms on the s
Episode 5
Dr. Cécile Roche detects in crabs that have overrun coasts around the world the same bacterium that entered drinking wa
Episode 6
Johanson suspects that an unknown marine intelligence, which he calls Yrr, is behind the strange happenings, and wants t
Episode 7
The expedition to study the Yrr sets out for the Arctic, where a large number of Yrr signals were spotted.
Episode 8
With humanity's future at stake, the team butts heads on what to do. In a desperate situation, a radical decision is mad
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