Elementary is an American procedural drama series that presents a contemporary update of Sir Arthur Conan Doyle's character Sherlock Holmes. The series was created by Robert Doherty and stars Jonny Lee Miller as Sherlock Holmes and Lucy Liu as Dr. Joan Watson. Season 1 premiered on CBS on September 27, 2012; Season 2 began airing in September 2013; Season 3 began airing in October 2014; and Season 4 in November 2015. The series is set and filmed primarily in New York City.