The BBC has debuted the new Sherlock Series 4 trailer, which you can watch below. Sherlock Series 4 will premiere on January 1, 2017.
“The Six Thatchers” is the new episode’s title and it marks the first new episode of Sherlock since the hit series’ 2015 Christmas special, “The Abominable Bride.” In fact, the Sherlock Series 4 premiere arrives nearly two years after the end of the show’s…
