Series 4
2017 · 3 episodes · 4h 27m in all · 7.6/10
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.

Episodes

1. The Six Thatchers
1 Jan 2017 · 89 min · 7.0/10
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
8 Jan 2017 · 89 min · 8.4/10
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
15 Jan 2017 · 89 min · 7.5/10
Holmes and Watson travel to Europe to escape Moriarty's vengeance.
Sherlock Series 4: quick answers
How many episodes are in Sherlock Series 4?
Series 4 of Sherlock has 3 episodes, about 4 hours in total.
When did Sherlock Series 4 come out?
Series 4 premiered on 1 Jan 2017.
What is the best episode of Sherlock Series 4?
By viewer score, episode 2, “The Lying Detective”, at 8.4/10.