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BBC One is a TV channel that started broadcasting on the 20th April 1964. It replaced BBC Television.

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Factual: Science & Nature

Factual: Science & Nature: Nature & Environment

Wildlife series. In-depth stories of incredible animals with award-winning photography.

BBC Two's classic wildlife series which tells in-depth stories of incredible animals, featuring award-winning photography in some of the most extraordinary places in the world.

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Until 03/01/2009 BBC Two Wales (analogue) was known simply as BBC Two Wales. BBC Two Wales (digital) was BBC 2W. From 03/01/2009 BBC Two Wales schedules on both analogue and digital became identical

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Simulcast of network BBC One in high definition. From 03/11/2010

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The BBC West region started on 1st September 1957 as part of the BBC Television Service, before becoming BBC One West.

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The BBC South West region started on 20th April 1961 as part of the BBC Television Service, before becoming BBC One South West.

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The BBC South region started on 5th January 1961 as part of the BBC Television Service, before becoming BBC One South.

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BBC One region covering Derbyshire, Leicestershire and Nottinghamshire.

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The BBC East region started on 1st May 1959 as part of the BBC Television Service, before becoming BBC One East.

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The BBC North East & Cumbria region started in 1959 (tbc) as part of the BBC Television Service, before becoming BBC One North East & Cumbria.

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Formerly part of a wider BBC One South East region that included London and part of the South region. Separated from BBC One London 2001-09-03 following reorganisation of the South East region.

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BBC Northern Ireland region started on 19th April 1955 as part of the BBC Television Service, before becoming BBC One Northern Ireland.

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Simulcast of network BBC Two in high definition.

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Ingrid Visser

Mark Woodward

Steve Greenwood

Sarah Cunliffe

Chris Cole

Natural World: 2011-2012: Episode 5: The Woman Who Swims with Killer Whales

The Woman Who Swims with Killer Whales

Episode 5

Episode 5: The Woman Who Swims with Killer Whales

2011-2012

BBC Two - Natural World, 2011-2012, The Woman Who Swims with Killer Whales

Dr Ingrid Visser investigates why there has been an increase in killer whale deaths.

Dr Ingrid Visser investigates why there has been an unusual number of whale deaths, and reveals disturbing new information.

The killer whale is one of the most feared predators in the ocean and most would consider it madness to enter the water with one. But New Zealander Dr Ingrid Visser thinks differently - and by swimming with her beloved whales she has come to know almost all of them by sight. But there's been an unusual number of deaths recently and Ingrid is on a mission to find out what is going on. Her findings reveal disturbing new information about the health of our oceans.

Natural World: 2011-2012

BBC Two

Knowledge, drama, comedy and the arts for a broad adult audience.

BBC Two is a lively channel of depth and substance, carrying a range of knowledge-building programming complemented by great drama, comedy and arts.

Series focusing on wildlife around the world

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Natural World

2011-2012

Episode 5: The Woman Who Swims with Killer Whales

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