Watch Unlocking Sherlock (2014) Official Trailer

Explore how writers Steven Moffat and Mark Gatiss created the hit television sensation. Take a personal voyage through the versions of Holmes that have served as inspirations for the new series - the original stories, their factual origins, hundreds of film adaptations - to arrive at their thoroughly modern Sherlock. Moffat and Gatiss explain the challenges they encountered adapting the original adventures of the iconic super-sleuth. Go behind the scenes on the set of the hit television series, including interviews with actors Benedict Cumberbatch, Martin Freeman and Lara Pulver, who talk about the reinvention of their fictional characters.