Series 1

Series 1

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.

On iPlayer

This programme is not currently available on BBC iPlayer

On TV

There are no upcoming broadcasts of this programme

Last on

All previous episodes

Get Involved: Hidden Messages

Get Involved: Hidden Messages
Test your own powers of deduction and help Sherlock decipher hidden messages from Series 1.

Go to The Science of Deduction website

Dr John Watson's Blog

Dr John Watson's Blog
Read John's regular accounts of life after returning from Afghanistan. Things have certainly changed since he met Sherlock.

Read Dr John Watson's blog

TV Blog: Mark Gatiss

TV Blog: Mark Gatiss
Find out how the co-creator and writer of Sherlock made Holmes and Watson 'living, breathing, modern men.'

Read Mark Gatiss' post on the BBC TV blog

Interactive Trailer

Sherlock Interactive Trailer

Discover exclusive clips and pictures from Series 3.

John Watson's Blog

John

Read John's accounts of his adventures with Sherlock.