Series co-creator and actor Mark Gatiss on the most technically challenging scene from the Sherlock special, as seen on MASTERPIECE on PBS. #SherlockPBS
Aired:
| Expires: | Runtime: 1m 59s
You are leaving GBH.org
You are leaving gbh.org and going to a web page that is not owned by GBH. If you are streaming, your experience will be interrupted.