Sherlock Season 4

Season 4

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.

Air date: 2017-01-01

Episodes: 3

Episodes

E1: The Six Thatchers

Why is someone destroying images of Margaret Thatcher? Is there a madman on the loose? Or is there a much darker purpose at work?

Air date: 2017-01-01 • ★ 6.995

E2: The Lying Detective

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.

Air date: 2017-01-08 • ★ 8.362

E3: The Final Problem

Holmes and Watson travel to Europe to escape Moriarty's vengeance.

Air date: 2017-01-15 • ★ 7.569