Special Agent Gibbs (Mark Harmon) is back with the team in this the sixth season of the ratings-busting NCIS. At the beginning of this season Gibbs is forced to break up the team as the director fears their might be a mole inside his unit. The season includes the Los Angeles double episode that launched NCIS LA and concludes with Ziva having to choose between her new friends and her father. Did you know - Don Johnson was apparently offered the role of Gibbs. He turned it down.

6-disc set includes all 25 action-packed Season 6 episodes along with high-caliber, behind the scenes special feature.