First trailer from Sherlock’s fourth season

Sherlock, the BBC series based on the detective created by Arthur Conan Doyle, presented tonight the first trailer for the anticipated fourth season that will be broadcasted somewhere in 2017. On the occasion of the Comic Con in San Diego, where have attended Benedict Cumberbatch (Sherlock), Mark Gatiss (Mycroft Holmes) and Amanda Abbington (Mary Morstan) with producer Steven Moffat, the actors in the series have spoken to fans about some details of this new season, as for example that it will be more dark than the previous ones and also we'll enjoy the more hesitant Sherlock so far, while also presented the first trailer for the new episodes.

On the video, Sherlock and company are still convinced of the return of Sherlock's archenemy, James Moriarty (Andrew Scott), but we also have the first images of what will be the new villain of this season, played by Toby Jones. To increase the intrigue, we focus on the sentence highlighted during the video "Everything they know will be tested. Everything they know is under threat"..