TV series
As the world's energy supplies dwindle, the Orpheus, a research submarine, delves into the deep of the Arctic Ocean searching for rare micro-organisms, but the crew soon find themselves in peril.
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Checked Jul 22, 2026
The Deep premiered August 3, 2010. We don't have a confirmed streaming, rental or purchase option yet.
As the world's energy supplies dwindle, the Orpheus, a research submarine, delves into the deep of the Arctic Ocean searching for rare micro-organisms, but the crew soon find themselves in peril.
Cast, crew and production details
Minnie DriverFrances Kelly
Goran VišnjićSamson
James NesbittClem Donnelly
Antonia ThomasMaddy
Orla BradyCatherine
Richard BrakeMcIndoe
Sacha DhawanVincent
Sinéad CusackMeg Sinclair
BBC OneUnited Kingdom
Tiger AspectUnited Kingdom
BBCUnited Kingdom
BBC Cymru WalesUnited KingdomWatch options above are for the show and may vary by season or episode.
Episode 1
The 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?
Where to watch The Deep
Episode 2
The 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?
Where to watch The Deep
Episode 3
The 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.
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Episode 4
The 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 Russian captain has other ideas, however, and instructs his men to kill the crew. In their struggle to escape, some are left behind; will they be able to complete their mission?
Directed by Colm McCarthy
Where to watch The Deep
Episode 5
The 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 Russian captain of the Volos submarine determined to stop them, will they manage to stabilise the energy source and make it back to the surface?
Directed by Colm McCarthy
Where to watch The DeepEpisode information updated Jul 22, 2026
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