‘Unlocking Sherlock’ to Air in January, Streaming Online Early as a Holiday Treat for Fans Leading up to the long-awaited third season of super-popular mystery series Sherlock on January 19, PBS has announced that a new behind-the-scenes special, titled Unlocking Sherlock, will premiere the week before the great detective’s return on By Lacy Baugher for Drama on 12/25/2013
