BBC First

Our cast's first memory working on the series

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Series 4, Episode 1

BBC First

A mysterious case baffles Scotland Yard, but Sherlock is more interested in why someone is destroying images of the late Prime Minister Margaret Thatcher. 1/3

Series 4, Episode 2

BBC First

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. 2/3

Series 4, Episode 3

BBC First

Long buried secrets finally catch up with the Baker Street duo. Someone has been playing a very long game and Sherlock and John Watson face their greatest ever challenge. Is the game…

Series 4, Episode 1

BBC First

A mysterious case baffles Scotland Yard, but Sherlock is more interested in why someone is destroying images of the late Prime Minister Margaret Thatcher. 1/3