CSI:NY(CrimeSceneInvestigation:NewYork)isanAmericanpoliceproceduraltelevisionseriesthatranonCBSfromSeptember22,2004toFebruary22,2013,foratotalofnineseasonsand197originalepisodes.TheshowfollowstheinvestigationsofateamofNYPDforensicscientistsandpoliceofficersidentifiedas"CrimeSceneInvestigators"(insteadoftheactualtitleof"CrimeSceneUnitForensicTechnicians"(CSU))astheyunveilthecircumstancesbehindmysteriousandunusualdeaths,aswellasothercrimes.Theseriesisanindirectspin-offfromtheveteranseriesCSI:CrimeSceneInvestigationandadirectspin-offfromCSI:Miami,duringanepisodeinwhichseveraloftheCSI:NYcharactersmadetheirfirstappearances.ItisthethirdseriesintheCSIfranchise.