The Sign of Three
Sherlock faces his biggest challenge of all – delivering a Best Man’s speech on John’s wedding day. But all isn't quite as it seems. Mortal danger stalks the reception. Benedict Cumberbatch and Martin Freeman star in the 2014 Primetime Emmy Award winning series Sherlock as seen on MASTERPIECE on PBS. #SherlockPBS
Expired: 09/21/15Video has closed captioning.