Sorry, this episode is not currently available

The Sign of Three

Sherlock, Series 3 Episode 2 of 3

Contemporary crime drama. Sherlock faces his biggest challenge of all - delivering a best man's speech on John's wedding day.

1 hour, 30 minutes

Last on

Sat 13 Dec 2014 21:10


Role Contributor
Sherlock HolmesBenedict Cumberbatch
Dr John WatsonMartin Freeman
Mrs HudsonUna Stubbs
DI LestradeRupert Graves
Mycroft HolmesMark Gatiss
Molly HooperLouise Brealey
Mary MorstanAmanda Abbington
WriterSteve Thompson
WriterMark Gatiss
WriterSteven Moffat
DirectorColm McCarthy
ProducerSusie Liggat
ProducerSue Vertue
Executive ProducerMark Gatiss
Executive ProducerSteven Moffat
Executive ProducerBeryl Vertue

First look at the Sherlock Special

First look at the Sherlock Special

Sherlock, John Watson and Mrs Hudson return to BBC One in the Sherlock Special...

Interactive Trailer

Sherlock Interactive Trailer

Discover exclusive clips and pictures from Series 3.

John Watson's Blog


Read John's accounts of his adventures with Sherlock.

Buy online

Buy online

Available on: DVD, Blu-ray or Video download

From suppliers including: Amazon, BBC Shop, iTunes

Where to buy