BBC One has revealed a new interactive trailer for "Sherlock" series three that you can check out below. Underneath, you'll also find the normal version of the trailer. The third season will premiere on BBC One on January 1st with "The Empty Hearse." The third season will kick-off in the States on January 19th on PBS.
After the New Year's Day premiere, the second episode will air on Sunday, January 5th, followed by the third and final part on Sunday, January 12th. Those episodes are titled "The Sign of Three" and "His Last Vow." All three episodes will run at 90 minutes each.