Movies | Webseries | Stream on Instagram: "NCIS" is an American military police procedural drama television series created by Donald P. Bellisario and Don McGill. It premiered on CBS in 2003 and follows the investigations of a team of agents from the Naval Criminal Investigative Service (NCIS). --- Plot Summary: The series centers on a Major Case Response Team (MCRT) of the NCIS, based at the Washington Navy Yard in Washington, D.C. The team investigates high-stakes crimes involving the U.S. Nav