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Season 1 — Episode 11

Deep Sea

Steve Backsall examines what is by far the largest ecosystem on our planet — the deep sea. From jellyfish with 40 meter long tentacles, fish with headlights and terrifying looking "vampire squid", it contains some of the most extraordinary and bizarre life forms on the planet.

The most surprising discovery Steve makes is the existence of large communities of animals around volcanic vents.

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