Sep. 23, 2003
Returning Series
60 min.
CBS TV Network

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Explore the inner workings of the government agency that investigates all crimes involving Navy and Marine Corps personnel, regardless of rank or position. Leading this team is NCIS Special Agent Leroy Jethro Gibbs, a skilled investigator and interrogator who is smart, tough and willing to bend the rules to get the job done.

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NCIS Season 4 (2006-2007)

4x01 4 4x01 Shalom
With Gibbs retired and boat-building in Mexico, the NCIS team must learn to work without him. As each team member deals with the absence of Gibbs in their own way, Ziva's past comes ...
Sep. 19, 2006
4x02 4 4x02 Escaped
A man brought to justice by Gibbs and Fornell manages to escape from prison and manages to make his way to Fornell, to ask him to reopen his case. Fornell is not amused, as he has his ...
Sep. 26, 2006
4x03 4 4x03 Singled Out
A female Navy Lieutenant goes missing when she's attempting to speed-date. Ziva goes undercover at such an event to find out more, and if they can catch the perp. Gibbs sports some ...
Oct. 03, 2006
4x04 4 4x04 Faking It
Two Washington Metro cops pull over a guy who was talking on his cellphone while driving. When approaching the drive, they see a gun under the car seat. Just when they have the guy ...
Oct. 10, 2006
4x05 4 4x05 Dead and Unburied
The NCIS team is called to investigate when a real estate agent finds the body of a missing Lance Corporal is found in a vacant house. At the scene of the crime, Gibbs and the team ...
Oct. 17, 2006
4x06 4 4x06 Witch Hunt
Gibbs and his team are called in when a marine has been attacked at his home and his daughter appears to have been kidnapped.
Oct. 31, 2006
4x07 4 4x07 Sandblast
A Marine Colonel is killed on a military golf course, leading the NCIS team to pair up with the Army Criminal Investigative Unit in order to find the killer. After the CIA receives ...
Nov. 07, 2006
4x08 4 4x08 Once A Hero
When suspicious activity surrounds the death of a decorated Marine veteran, the NCIS team works to clear his name. The NCIS team investigates when an honored Marine veteran falls to ...
Nov. 14, 2006
4x09 4 4x09 Twisted Sister
Forgoing NCIS procedure, McGee risks his career when he takes matters into his own hands after his sister appears at his door bloodied and confused. As McGee struggles to piece together ...
Nov. 21, 2006
4x10 4 4x10 Smoked
When a burnt and mummified body is found at a Marine base NCIS is called in. They identify the remains as a serial killer which means they now have to work with the FBI.
Nov. 28, 2006
4x11 4 4x11 Driven
The whole team has to attend sexual harassment classes. They're having a bit of fun with it until they are notified of a dead Navy Lieutenant involved in a research project. Seems like ...
Dec. 12, 2006
4x12 4 4x12 Suspicion
When a Marine Lieutenant from Saudi Arabian descent is murdered in a hotel room in a small town, NCIS is called in to investigate. However, the local Sheriff's department already cleaned ...
Jan. 16, 2007
4x13 4 4x13 Sharif Returns
The team must find a terrorist who has a missing, toxic chemical weapon in their possession. After 10 kilograms of toxic chemicals go missing, Gibbs and the team must race against the ...
Jan. 23, 2007
4x14 4 4x14 Blowback
Ducky is taken out of the autopsy room and put undercover in order to help stop the illegal sale of the Navy's weapons system. When the team captures one international arms dealer, ...
Feb. 06, 2007
4x15 4 4x15 Friends & Lovers
Working with the local officials, the NCIS team originally believes that the sailor died of an unintentional drug overdose. But when they uncover a mysterious laminated card, Abby discovers ...
Feb. 13, 2007
4x16 4 4x16 Dead Man Walking
The NCIS team suspects foul play when a Navy Lieutenant is the victim of radiation poisoning.Gibbs and the team collaborate with the ailing Lieutenant, who is an inspector for the International ...
Feb. 20, 2007
4x17 4 4x17 Skeletons
Gibbs and the team look for a potential serial killer when an explosion at a military cemetery mausoleum reveals a cache of dismembered human remains.When Ducky and Abby confirm that ...
Feb. 27, 2007
4x18 4 4x18 Iceman
The team investigates when a Marine, who was thought to have frozen to death, wakes up o Ducky's autopsy table. With the Marine on life support, the team must follow his steps days ...
Mar. 20, 2007
4x19 4 4x19 Grace Period
The team learn a tip about terrorist activity was false and resulted in the death of two agents. Agent Cassidy, feeling guilty over the deaths, works with NCIS to track down the people ...
Apr. 03, 2007
4x20 4 4x20 Cover Story
McGee is shocked when an officer he based his book on is found murdered. With few leads, the team forces McGee to find out everyone who has had access to his secret manuscript.
Apr. 10, 2007
4x21 4 4x21 Brothers In Arms
Director Shepard risks his life and agrees to meet an informant alone, but the meeting takes a turn for the worst and her contact is killed. Gibbs and NCIS try to gather the information ...
Apr. 24, 2007
4x22 4 4x22 In the Dark
A blind photographer inadvertently films the murder of a petty officer. With little evidence, the team has Scott re-create the scene of the crime. Meanwhile, both Tony and Gibbs struggle ...
May. 01, 2007
4x23 4 4x23 Trojan Horse
Gibbs puts off his paperwork for his "acting" director duties in order to lead an investigation into a murder victim found in a taxi headed for NCIS. Meanwhile, Jenny uncovers a secret ...
May. 08, 2007
4x24 4 4x24 Angel of Death
When the NCIS Director returns from Europe, Gibbs and the team prepare for Homeland Security polygraph tests. This leads to tight secrets among the team to be exposed and reveals the ...
May. 22, 2007
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