NCIS: Los Angeles: The Fourth Season (DVD)(2012)

NCIS: LOS ANGELES is a drama about the high stakes world of 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. By assuming false identities and utilizing the most advanced technology, this team of highly trained agents goes deep undercover, putting their lives on the line in the field to bring down their targets.