Sherlock: Series 3 Launch Trailer - BBC One

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Sherlock is a British television crime drama that presents a contemporary update of Sir Arthur Conan Doyle's Sherlock Holmes detective stories. Created by Steven Moffat and Mark Gatiss, it stars Benedict Cumberbatch as Sherlock Holmes and Martin Freeman as Doctor John Watson. Six episodes have been produced, the first three of which aired in 2010. Series two aired in 2012, and a third series began production in March 2013. The series has been sold to over 180 territories.