The BBC's Sherlock has been off the air (except for a Christmas special) since early 2014, and although this allowed Benedict Cumberbatch time to become a global superstar, fans of high-stakes detective mysteries have been growing impatient. You can now start counting down the days, however, because the new Sherlock season will debut sometime in 2017. Ok, yeah, that's really disappointing, but at least the BBC put out this trailer so you can get excited about waiting (and about Toby Jones, Dr. Zola from Captain America, as a new villain):