CSI: NY (Crime Scene Investigation: New York) is the first spin off of the CBS television series CSI: Miami and follows the investigations of a team of New York City forensic scientists as they unveil the circumstances behind mysterious and unusual deaths and crimes. The show debuted in September 22, 2004, and is produced in partnership with the Canadian media company Alliance Atlantis. On May 10, 2013, the series is officially cancelled after nine seasons concluded on February 22, 2013.