Sherlock - Masterpiece

S4 Ep3: Preview

Video duration: 0:20

See a preview for the Sherlock Season 4 finale, "The Final Problem," premiering Sunday, January 15th, 2017 at a special time, 7/6c, on MASTERPIECE on PBS.[Note: The episode itself begins at approximately 7:20/6:20c] #SherlockPBS