WALES ONLINE (July 14, 2016) ~ SHERLOCK (BBC) stars Benedict Cumberbatch and Martin Freeman filming a Season 4 episode scene on the smoke-filled tugboat in Cardiff Bay on July 13, 2016. [Article, Photos & Video]
Created by Mark Gatiss, Steven Moffat. With Benedict Cumberbatch, Martin Freeman, Una Stubbs, Rupert Graves. A modern update finds the famous sleuth and his doctor partner solving crime in century London.