The BBC has released a new teaser clip for the one-off Victorian special of Sherlock.

The clip features stars Benedict Cumberbatch, Martin Freeman and Una Stubbs as Sherlock Holmes, John Watson and Mrs Hudson.

Louise Brealey and Rupert Graves will also be reprising their roles in the special episode.

Writer Steven Moffat revealed at the 2015 San Diego Comic-Con that the Sherlock special will air at Christmas and will be screened in selected cinemas worldwide.

Watch the teaser below…