Elementary is an American crime drama series that premiered on CBS on September 27, 2012. It presents a contemporary update of Sir Arthur Conan Doyle's character Sherlock Holmes set in the contemporary United States. It stars Jonny Lee Miller as Sherlock Holmes and Lucy Liu as Dr. Joan Watson. Holmes is a former consultant to Scotland Yard, and also an addict. He travels to New York City to check into a rehabilitation center and stays on in Brooklyn with Watson, who becomes his sober companion.
On October 23, 2012 CBS picked up Elementary for a full season. On November 15, 2012 CBS ordered two additional episodes to its current season, bringing the total number of episodes to 24.