What do we know?
Well, it’s called “The Six Thatchers” and it premieres on Jan. 1, 2017 on PBS.
It will star Benedict Cumberbatch as Sherlock Holmes and Martin Freeman as Dr. John Watson.
“This is the story we’ve been telling from the beginning. A story about to reach its climax,” showrunners Steven Moffat and Mark Gatiss said at Comic Con according to Deadline.