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Last broadcast on Thu, 16 Jul 2009, 19:00 on BBC HD (see all broadcasts).
Synopsis
The team investigates why parts of the Southern Ocean are warming twice as fast as the rest of the world's oceans and looks at the impact of this phenomenon.
Expedition leader Paul Rose, environmentalist Philippe Cousteau Jr, maritime archaeologist Dr Lucy Blue and marine biologist and oceanographer Tooni Mahto brave some of the roughest seas and the strongest winds on the planet.
They go in search of one of the planet's most curious and enigmatic creatures - the weedy sea dragon. They explore iconic kelp forests to investigate how they're being threatened by the rise in sea temperatures and a new predator. They dive one of the thousand shipwrecks in these waters and in a unique sunken valley, they search for mysterious deep ocean creatures normally found hundreds of metres below the surface. And they enter a maze of perilous sea caves to hunt for evidence of ancient sea creatures that can reveal how this ocean formed.
Oceans film locations:
A guide to the sites visited by the Oceans team in the Southern Ocean.
Image gallery:
Image highlights from the Southern Ocean dive expedition.
360° Experience:
Watch a 360° video of fur seals off the Tasmanian coast greeting the film crew.
Ultimate dives:
Watch Lucy Blue's ultimate dives which include a night dive searching for the largest octopus in the Southern hemisphere.
Ultimate dives:
Watch Tooni Mahto's ultimate dives which include a sea cave dive searching for ancient fossils.
Broadcasts
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Wed 19 Nov 200820:00
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Wed 19 Nov 200821:30
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Sat 22 Nov 200817:20
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Wed 10 Dec 200801:10
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Mon 9 Feb 200917:00
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Thu 16 Jul 200919:00
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