More details have emerged about the second series of the BBC's Sherlock - the confirmed second series of three 90-minute episodes will air in Autumn 2011. Detailed information about the new episodes is not publicly available, but Steven Moffat told The Guardian, "You can have three words to work from: Adler, Hound, Reichenbach. Those are your clues."
At the Kapow! 11 convention, Mark Gatiss confirmed that the three episodes would be based on the stories , "A Scandal in Bohemia", "The Hound of the Baskervilles" and "The Final Problem" and that the writers for the episodes would be Moffat, Gatiss and Thompson, respectively.