Series 4

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

2017-01-01

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.

2017-01-08

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

2017-01-15