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The Deep

TV·2010–2010·1 season, 5 episodes·BBC One·Drama·1h·7.5·Created by Simon Donald

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In the state-of-the-art research submarine Orpheus, Captain Frances Kelly leads a team of scientists deep below the Arctic ice. They are following the path of an earlier, disastrous expedition; searching the final frontiers of Earth for unknown and remarkable life forms, attempting to find the solution to the world's escalating energy crisis.

Enduring crushing pressure, boiling vent gases, freezing temperatures and total darkness, the Orpheus arrives at the Lomonosov Ridge, an enormous area of sea bed which is disputed territory, currently under the United Nations' jurisdiction. Nobody comes here. But there is something else out here: something huge and bewildering. And, as the Orpheus crew struggle for survival and attempt to unravel the mystery, they uncover secrets more terrifying than they ever could have imagined…

Highest-rated episodes all ranked

  1. 01The Deep S01E01To the Furthest PlaceS01E01 · 6.5The Orpheus' team of scientists are on a mission to find a renewable source of energy in the depths of the Arctic Ocean. The last team who went died in mysterious circumstances, so the Orpheus crew are already feeling nervous when a salvage inspector unexpectedly joins their mission. What does he know about the lost crew, and who is he working for?
  2. 02The Deep S01E02Into the Belly of the BeastS01E02 · 6.5The scientific crew on the Orpheus submarine runs into severe danger in their quest to find rare micro-organisms. One crew member has died, the Orpheus has been intercepted and two of the crew are trapped and running out of air. They have to escape, but can they risk boarding the mysterious vessel which looms above them?
  3. 03The Deep S01E03Ghosts of the DeepS01E03 · 6.0The Orpheus crew's quest for renewable energy has led them into danger. They're trapped on Volos, a Russian submarine, and its nuclear reactor is dangerously overheating. Whoever shuts it down will be exposed to lethal radiation. Who will draw the short straw? Meanwhile Clem is determined to find out what part the Volos had in his wife's death.

Cast

Episodes by season

Season01Episode ratings across the season — the gold bar is its best episode5Episodes2010Aired 6.2Season avg
  1. S01E01The Deep S01E01Season's bestTo the Furthest PlaceAugust 3, 2010 6.5The Orpheus' team of scientists are on a mission to find a renewable source of energy in the depths of the Arctic Ocean. The last team who w
  2. S01E02The Deep S01E02Into the Belly of the BeastAugust 10, 2010 6.5The scientific crew on the Orpheus submarine runs into severe danger in their quest to find rare micro-organisms. One crew member has died,
  3. S01E03The Deep S01E03Ghosts of the DeepAugust 17, 2010 6.0The Orpheus crew's quest for renewable energy has led them into danger. They're trapped on Volos, a Russian submarine, and its nuclear react
  4. S01E04The Deep S01E04Everything Put Together Falls ApartAugust 24, 2010 6.0The Orpheus is mended, and the captain wants the crew to find more of the rare bio-fuel samples before they return to the surface. The Russi
  5. S01E05The Deep S01E05The Last BreathAugust 31, 2010 6.0The Orpheus crew have found rare bio fuels in the ocean depths, but they must find a way of getting it to the surface safely. With the Russi

Season 1 ranked & reviewed

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