Series One
Dr John Watson returns from service in Afghanistan and finds himself drawn inexorably into the world of the brilliant but baffling 'consulting detective', Sherlock Holmes.
Episodes:
1. A Study in Pink
2. The Blind Banker
3. The Great Game
Series Two
Sherlock and Dr John Watson return in Steven Moffat and Mark Gatiss' contemporary take on Conan Doyle's most iconic adventures.
Episodes:
1. A Scandal in Belgravia
2. The Hound of Baskerville
3. The Reichenbach Fall
Series Three
In the eagerly anticipated third series, Sherlock returns...but will things ever be the same again?
Episodes:
1. The Empty Hearse
2. The Sign of Three
3. His Last Vow
Series Four
The mercurial Sherlock Holmes is back once more on British soil. Meanwhile, Doctor Watson and his wife, Mary, prepare for their biggest ever challenge - becoming parents for the first time.
Episodes:
1. The Six Thatchers
2. The Lying Detective
3. The Final Problem