CSI: NY (Crime Scene Investigation: New York) is an American police procedural television series which premiered on September 22, 2004, on CBS. The series was the second indirect spin-off from the veteran series CSI: Crime Scene Investigation and directly from CSI: Miami during an episode in which several of the CSI: NY characters made their first appearance. The show currently airs on Wednesdays at 10/9PM ET/PT on CBS or in the UK on channel 5/five usa at various times throughout the week. The show follows the investigations of a team of NYPD forensic scientists and police officers as they unveil the circumstances behind mysterious and unusual deaths as well as other crimes. CSI: NY was produced in partnership with the Canadian media company Alliance Atlantis. The company dissolved after the third season in 2007 and all production is now done under the purview of CBS Paramount Television.