NCIS: Complete 1st Season (2003) NCIS: The Complete First Season follows an elite team of special agents who operate outside the military chain of command. Led by Special Agent Leroy Jethro Gibbs (Mark Harmon), a tough, highly skilled investigator who's willing to bend the rules to get the job done, this tight-knit crew travel the world investigating everything from murder and espionage to terrorism and kidnapping in this 6-disc set featuring all 23 pulse-pounding episodes from this unique and dynamic show that's ...taught, smart and wonderfully unpredictable.NCIS: Complete 2nd Season (2004) The Complete Second Season continues the mind-blowing action and pulse-pounding adventure of an elite team of special agents who operate outside the military chain of command. Led by special agent Leroy Gethro Gibbs (Mark Harmon), a tough, highly skilled investigator who's willing to bend the rules to get the job done, this tight-knit crew prove they're willing to pay the ulitmate price when they travel the globe investigating from murder to espionage to terrorism and kidnapping.NCIS: Complete 4th Season (2005) NCIS: The Complete Foruth Season the top-rated investigative crime drama, continues the thrilling adventures of a cutting-edge crew of special agents who operate outside the government's chain of command. Led by Leroy Jethro Gibbs (Mark Harmon), a former Marine whose skills as an investigator are unmatched, this highly trained, tight-knit team travels the world investigating murder, espionage and terrorism. This 6-disc set includes all 24 action-packed episodes, along with top-notch, behind-the-scenes special features, from this critically acclaimed, one-of-a-kind series.NCIS: Complete 3rd Season (2005) NCIS is an action drama about a team of special agents whose mission is to investigate any crime that has a shred of evidence connected to Navy and Marine Corps personnel, regardless of rank or position.The second season finale,