NCIS: Los Angeles

NCIS: Los Angeles is an American crime series aired on CBS. The series premiered on September 22, 2009.

NCIS: Los Angeles is a drama about the high stakes world of undercover surveillance at the Office of Special Projects (OSP), a division of NCIS that is charged with apprehending dangerous and elusive criminals that pose a threat to the nation's security, specifically Naval and Marine assets and personnel.