Premiered: September 20, 1999, on NBC
Premise: Sexual assaults, domestic disputes and kidnappings are often the primary focus of this crime show, which follows New York City detectives working in a specialized division within the police department. The first spin-off of "Law & Order," this series has featured many high-profile guest stars. Richard Belzer brought his character from "Homicide: Life on the Street," Det. John Munch, to the show after the cancellation of the Baltimore-based series.