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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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Who Do You Think You Are? USA

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American celebrities trace their ancestry, discovering surprises from their past.

American celebrities trace their ancestry, discovering secrets and surprises from their past.

Simulcast of BBC One Scotland in high definition. From 14/01/2013

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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 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 BBC One Wales in high definition. From 29/01/2013

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Who Do You Think You Are? USA: Series 4

Christina Applegate

Who Do You Think You Are? USA: Series 4: Episode 1: Christina Applegate

Episode 1

Episode 1: Christina Applegate

Series 4

BBC One - Who Do You Think You Are? USA, Series 4, Christina Applegate

Christina Applegate sets out to uncover what happened to the grandmother she never knew.

In this American episode of the celebrity genealogy series, actress Christina Applegate sets out to uncover what happened to the grandmother she never knew.

Actress Christina Applegate goes on a quest to uncover what happened to the grandmother she never knew. Christina's father Bob was brought up by his grandparents and knows that his mother Lavina died young. To try find out what happened to Lavina and why her father never knew her, Christina travels to Lavina's home town of Trenton New Jersey. 

Court records reveal a bitter dispute between Christina's grandparents over custody of her father. The records are upsetting, and Christina tries to look beyond the bitter accusations to find the truth of what actually happened. Her investigation leads to a shocking death certificate which reveals the true cause of her grandmother's death, finally closing the book on her father's troubled childhood.

BBC One

American celebrities trace their ancestry, discovering secrets from their past.

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Who Do You Think You Are? USA

Series 4

Episode 1: Christina Applegate

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