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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.

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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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Series 4

Episode 3: The Final Problem

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