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Series 4

3 episodes · 1st January 2017

The fourth series begins with the nation’s favourite detective, the mercurial Sherlock Holmes, back once more on British soil, as Doctor Watson and his wife, Mary, prepare for their biggest ever challenge - becoming parents for the first time.

Season details

Details

Episode guide

Episodes

01 The Six Thatchers still The Six Thatchers Episode 11st January 2017 Why is someone destroying images of Margaret Thatcher? Is there a madman on the loose? Or is there a much darker purpose at work? 02 The Lying Detective still The Lying Detective Episode 28th January 2017 Sherlock faces perhaps the most chilling enemy of his long career: the powerful and seemingly unassailable Culverton Smith – a man with a very dark secret indeed. 03 The Final Problem still The Final Problem Episode 315th January 2017 Holmes and Watson travel to Europe to escape Moriarty's vengeance.
Talent

Cast & Crew

01 Benedict Cumberbatch profile Benedict Cumberbatchas Sherlock Holmes 02 Martin Freeman profile Martin Freemanas John Watson 03 Mark Gatiss profile Mark GatissCreator 04 Steven Moffat profile Steven MoffatCreator
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