Season 4 · 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?
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.
E3
The Final Problem
Holmes and Watson travel to Europe to escape Moriarty's vengeance.