The Swarm, The Swarm

S1 E1 • 44m • HD15

As disturbing events in the world's oceans mount up, scientists realise that an unknown species could threaten humanity's fragile existence forever. From the executive producer of Game of Thrones.

S1 E2 • 45m • HD15

As whales attack tourists in Canada and lobsters turn deadly in France, a scientist discovers aggressive worms multiplying at speed.

S1 E3 • 46m • HD15

Venice sees an unprecedented plague of jellyfish, while in Canada, researcher Anawak is getting to the bottom of whale attacks.

S1 E4 • 43m • HD15

Cécile recommends stopping fishing off the coast and warning the population against using tap water, while the worms are investigated more closely.

S1 E5 • 45m • HD15

Johanson travels to Shetland, while the team receive a warning that a tsunami is heading for the area and the Atlantic coast of northern Europe.

S1 E6 • 46m • HD12

Johanson suspects that an unknown marine intelligence is behind all the results, and plots to contact the life form with a research mission.

S1 E7 • 46m • HD15

The expedition to study the Yrr sets out for the Arctic. During a trip by submarine, Charlie Wagner observes a magical sight.

S1 E8 • 45m • HD15

With humanity's future at stake, the team butt heads on what to do on the boat. In a desperate situation, Charlie makes a radical decision. Season finale.