NCIS

NCIS, promoted as Navy NCIS in its first season, aka Navy NCIS: Naval Criminal Investigative Service or NCIS: Naval Criminal Investigative Service, is an American police procedural television series revolving around a fictional team of special agents from the Naval Criminal Investigative Service of the United States Navy and United States Marine Corps. The concept and characters were initially introduced in a two-part episode of the CBS series JAG (episodes 8.20 and 8.21). The show premiered on September 23, 2003 on CBS and, to date, has aired five full seasons. Its executive producer is Donald Bellisario, creator of popular television series such as Magnum P.I., Quantum Leap and the show NCIS was spun off from, JAG.[1] NCIS returned for its sixth season on September 23, 2008.