'Sherlock' returns on January 1, but even though it's just a few days away, the wait is still too long. BBC officially released a mini teaser episode "Many Happy Returns' on December 24 on their official YouTube channel. Picking up where the last season left off, Sherlock is thought to be dead but there are still those who believe he is going to make a grand reappearance. The seven minute teaser hints that Sherlock has been solving crimes all over the world. It has already gotten 2,890,119 hits and counting.