Jan 1, 2017 · 1h 29m
Why is someone destroying images of Margaret Thatcher? Is there a madman on the loose? Or is there a much darker purpose at work?
Season 4 Episodes
Browse every episode and jump into details.
Jan 8, 2017 · 1h 29m
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.
Jan 15, 2017 · 1h 29m
Holmes and Watson travel to Europe to escape Moriarty's vengeance.
Season 4 FAQ
Quick answers about this season's release timeline and episode lineup.
When did Sherlock Season 4 premiere?
Sherlock Season 4 premiered on January 1, 2017.
How many episodes are in Sherlock Season 4?
Sherlock Season 4 has 3 episodes.
What is the first episode of Sherlock Season 4?
The season opens with Season 4 Episode 1, "The Six Thatchers". It aired on January 1, 2017.
Go to Season 4 Episode 1