BIG season 3 spoilers inside the links! You have been warned.
Comic-Con 2013: The Sherlock Series 3 Panel (with a quip from Andrew Scott!)
Or, the short version:
"Sherlock? But that’s Television." Sherlock Gets A Fourth Season!
Bonus interview: Benedict Cumberbatch on His Emmy Nomination and Loving Matt Damon
They shoot ep 3 of s3 in about a week and a half, Ben says in that interview. [Starting on 1-August?] WOOT! Going into early September.