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

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Series 1

Sherlock

Drama: Crime

Blunt, brilliant Sherlock teams up with war veteran Dr Watson to solve impossible crimes.

Blunt, brilliant Sherlock teams up with war veteran Dr Watson to solve impossible crimes. When the truth is revealed, it's never what you think. Starring Benedict Cumberbatch.

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

BBC One 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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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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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

BBC One HD

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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Sherlock: Series 4

Benedict Cumberbatch

Martin Freeman

Una Stubbs

Rupert Graves

Mark Gatiss

Amanda Abbington

Louise Brealey

Steven Moffat

Benjamin Caron

Sue Vertue

Hartswood Films

Sherlock: Series 4: Episode 3: The Final Problem

The Final Problem

Episode 3

Episode 3: The Final Problem

Series 4

BBC One - Sherlock, Series 4, The Final Problem

Alone and defenceless, Sherlock and Dr Watson face their greatest ever challenge.

Someone has been playing a very long game indeed and, alone and defenceless, Sherlock and Dr Watson face their greatest ever challenge.

In the final episode of this series, written by Mark Gatiss and Steven Moffat, long-buried secrets finally catch up with the Baker Street duo. Someone has been playing a very long game indeed and, alone and defenceless, Sherlock and Dr Watson face their greatest ever challenge. Is the game finally over?

BBC One

Sherlock and John Watson return in a contemporary take on Conan Doyle's iconic adventures.

Sherlock and Dr John Watson return in Steven Moffat and Mark Gatiss's contemporary take on Conan Doyle's most iconic adventures.

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Sherlock

Series 4

Episode 3: The Final Problem

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