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The BBC's Benedict Cumberbatch-starring Sherlock once again proves to be something of a tease: yes, there will be more episodes, including a special, but it doesn't start shooting until 2015, BBC One announced today on Twitter. The special will begin filming in January 2015, and the next series will shoot later that year. 

BBC One teased a big announcement yesterday by posting to Twitter a GIF from the final scene of the third series, which aired earlier this year, featuring returned-from-the-dead villain Moriarty asking "Miss Me?" (Yes, of course, we missed that delightful creep.)  

 The channel then promised an announcement today at 2:21 p.m. (In honor of course of 221B Baker Street.) It then, today, revealed that Sherlock would indeed be back to "to face one of his biggest mysteries yet...why is Moriarty's face being broadcast on every television in the land?" Meaning, that the new Sherlock  content will pick up right where the third season left off. The news comes after Sherlock's Watson, Martin Freeman, let it drop in an interview with The Telegraph that the show would be back for a 2015 Christmas special

The show works its filming schedule around the busy careers of Cumberbatch and Freeman. Cumberbatch has been filming the Whitey Bulger biopic Black Mass, and will likely launch an Oscar campaign later this year for his turn as Alan Turing in The Imitation Game. Freeman, meanwhile, is surely hoping to gain an Emmy nomination for his work on Fargo, and will eventually have to promote the final (we hope) Hobbit movie. 

And then there's the matter of when any of the Sherlock episodes will make it to American TV. 

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