Series 4 Plot
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.
Sherlock Series 4 aired on January 1st, 2017.
Series 4 Episodes
1. The Six Thatchers
January 1st, 20171 hr 29 min
Why is someone destroying images of Margaret Thatcher? Is there a madman on the loose? Or is there a much darker purpose at work?
2. The Lying Detective
January 8th, 20171 hr 29 min
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.
3. The Final Problem
January 15th, 20171 hr 29 min
Holmes and Watson travel to Europe to escape Moriarty's vengeance.
