The last episode of Sherlock’s 4th season has been posted on the Internet prior to being aired, reports DTF.

According to the source, the posted episode is an official product of the first channel. The premiere should have taken place on that channel.  The website writes, that the leakage could occur through the channel’s online service, where they post the episodes, that have been aired." The premiere of the fourth season’s third episode was scheduled on January 16.