A month after the release of its teaser trailer, the official Twitter page for "Sherlock" just dropped a new portrait for Series 4, which is set to debut next year.
There are many speculations about the Sherlock Season 4 that will be screened in January next year.
With Sherlock Season 4 becoming part of your lifestyle in January 2017, you can expect some interesting changes. Moriarty is coming back, and Mary might die.
With Season 4 of the Sherlock season due to be released in Jan next year, rumors are flying fast and furious.
