NCIS (Naval Criminal Investigative Service) is a media franchise of American television programs. The main NCIS series is the longest-running show of the franchise, which premiered its twenty-second season on October 14, 2024. Six television series make up the NCIS franchise: NCIS, Los Angeles, New Orleans, Hawai?i, Sydney, and Origins. NCIS: Los Angeles had a proposed spin-off, but it was not picked up by CBS.