BBC has released a teaser trailer for the forth season of Sherlock, scheduled to premiere in 2017.
The TV series broadcast by BBC One follows consulting detective Sherlock Holmes, played by Benedict Cumberbatch, solving various mysteries in modern-day London, with his friend’s help, Dr. John Watson, played by Martin Freeman.
The first look on the new season reveals that everything the two detectives know will be tested and that everyone they know is under threat.
The soundtrack music is original, composed by David Arnold and Michael Price. Regarding the release date of season 4, unfortunately there is no set date yet, as there have been various postponements of filming until early August 2016.