Full episodes of "NCIS" are available on CBS.com, VUDU.com, Google Play and the Amazon Instant Video feature on Amazon.com. Viewers can purchase individual episodes or buy passes that include full seasons. Retailers such as Best Buy and Target also carry full "NCIS" episodes on DVD.
As of 2015, "NCIS" is an American television series that airs on CBS. The show is a police procedural and concerns cases covered by the Major Case Response Team of the Naval Criminal Investigative Service. "NCIS" premiered on September 23, 2003, and has run for 12 seasons and 279 episodes. Two spin-offs, "NCIS: Los Angeles" and "NCIS: New Orleans," also exist.