Learn more: http://to.pbs.org/2foyetD | #SherlockPBS
How well do Sherlock’s Steven Moffat and Mark Gatiss know each other? Find out as Steven’s son Louis puts them to the test! An all-new season of Sherlock begins January 1st on MASTERPIECE on PBS. #SherlockPBS
Subscribe to the PBS channel for more clips: https://www.youtube.com/user/PBS/feat…
Enjoy full episodes of your favorite PBS programs at pbs.org/video.
Like MASTERPIECE on Facebook: https://www.facebook.com/masterpiecepbs
Follow MASTERPIECE on Twitter: https://twitter.com/masterpiecepbs
Follow MASTERPIECE on Instagram: https://www.instagram.com/masterpiecepbs/
Official MASTERPIECE website: http://www.pbs.org/masterpiece/
Like PBS on Facebook: https://www.facebook.com/pbs/
Follow PBS on Twitter: https://twitter.com/PBS
Follow PBS on Instagram: https://www.instagram.com/PBS
Official website: http://www.pbs.org/
Get PBS merchandise: http://www.shoppbs.org/home/index.jsp
Season four begins with the mercurial Sherlock Holmes (Benedict Cumberbatch), back once more on British soil as Doctor Watson (Martin Freeman) and his wife Mary (Amanda Abbington) prepare for their biggest challenge yet: becoming parents. Sherlock will return in “”The Six Thatchers”” on January 1, 2017 on MASTERPIECE on PBS.