Sherlock concludes its fourth season with “The Final Problem” airing January 15, 2017 at 7:00 pm.
In the final episode of this new season, long buried secrets finally catch up with the Baker Street duo. Someone has been playing a very long game indeed and Sherlock and John Watson face their greatest ever challenge. Is the game finally over?
“The Final Problem” was written by Mark Gatiss and Steven Moffat.
Photo Credit: Courtesy of Colin Hutton/Hartswood Films 2016 for MASTERPIECE