When Abby's homeland security think tank is compromised, the team realizes that a theoretical terror playbook has been stolen. ...

When a Petty Officer is killed, the team investigates, they discover that the Sheriff who called them in, is one of the Sherlocks, the amateur sleuths whom they meet a fe ...

When a Naval Captain is killed in what appears to be a hit and run, the team goes to investigate. While there Palmer sees something and leaves. When they process the crim ...

When Gibbs doesn't come in to work, they all wonder why. They go to where he goes before coming in, the coffee shop where he gets his coffee. They find his truck and no s ...

The team searches for new leads when an undercover mission to apprehend a businessman who's committing acts of terrorism to manipulate the stock market is compromised. ...

The team investigates the death of a Navy Captain who's under investigation for selling secrets. They go through his things and find an address which turns out to be the ...

The team investigates threats against Congresswoman Jenna Flemming, while Vance oversees temporary protection detail. ...

When a Naval Chaplain dies in a car accident, the team goes and was about to rule it an accident when Ducky tells them, he died hours before the accident. So they try to ...

When a sailor is killed in liquor store robbery, the team investigates. They learn from witnesses that a man was standing over him. They learn he works at the store that ...

Gibbs gets a call about a Petty Officer who's been missing. It seems like her fingerprints were found at the scene of a murder. They deduce the victim abducted her and sh ...

MI6 Clayton Reeves calls NCIS and tells them that he is in Philadelphia looking for a missing MI6 agent and while looking for him, he found a dead sailor. He thinks the d ...

A Naval Lieutenant on a Destroyer is killed and thrown into a trash compactor. Gibbs and Quinn go on board to investigate. Thing is, it's a Tiger cruise wherein relatives ...

A marine jumps off the building she lives in. The team goes to investigate and it appears to be a suicide. The marine is brought to the hospital and while there Gibbs run ...

Quinn and Torres' first day with the team has them investigating a death at a Quantico reunion. They learn the victim was in the middle of a spat with someone when he jus ...

Gibbs has been rejecting every agent sent to replace Tony, so Quinn, the agent who trained them shows up and asks Gibbs what he's looking for, Gibbs tells her to stay and ...

The NCIS, FBI and MI6 join forces in their international manhunt for a spy who has already killed a number of former and current agents. During the investigation, Tony re ...

Fornell and the MI6 operative who is helping them locate British spy Jacob Scott are shot. And it is believed that Scott shot them. Gibbs goes all out to find Scott and h ...

When a 14-year-old foils a home invasion, Gibbs suspects the teenager is withholding pertinent details. Also, Director Vance and Senior FBI Agent Fornell travel to London ...

The team is called to go to a mortuary because a dead body was found along with a shipment of caskets. They wonder why were they called. That's when Fornell shows up and ...

Tony attends a political function with Vance and when he meets a Senator, the man walks away from him and when they're alone says something Tony finds odd and then hands ...

The team investigates the death of a Naval Public Affairs man. When they arrive at the crime scene they are told there are two suspects, the man's wife and mistress. They ...

When a petty officer and her husband who were in Iraq on vacation are killed by a sniper, the team investigates. They learn that the weapon used is American made and issu ...

The NCIS agents' personal plans are interrupted when each of them catches errors in a seemingly cut-and-dried closed case. Also, McGee and Delilah (Margo Harshman) argue ...

When some MP's are shot, Gibbs investigates. TheMP's are brought to the hospital where Dr. Taft operates. Also one of the shooters is brought in, Gibbs tells Taft he need ...

When the SecNav's daughter is abducted, the team works with Fornell to get her back. The kidnappers call and make a ransom demand. They want SecNav to deliver it but Gibb ...

A Navy diver dies while in the decompression chamber. Gibbs goes to investigate and brings Ducky along but Ducky can't examine the body because it and the three suspects ...

Ellie has a huge crisis of conscience when a new NCIS case has similar features with the absolute, worst case from Hell marked Solved from NSA days. An NSA forensic agent ...

When a plane doesn't answer their radio, Gibbs is called in because unless they respond, they will have to be shot down. they learn everyone on board the plane is dead. G ...

After Ducky is attacked by a man claiming to have information about his half-brother who died decades ago, the NCIS team searches for the perpetrator, as Ducky recalls th ...

The Secretary of Defense turns to NCIS to help a sailor dying from leukemia locate a bone marrow transplant after two of his siblings are killed in the line of duty. Mean ...

In order to clear his name, a petty officer volunteers to be court martialed if NCIS agrees to conduct its own investigation after his murder case is dismissed due to a m ...

DiNozzo is reunited with his ex-girlfriend, Jeanne Benoit, when insurgents in South Sudan attack a group of volunteer doctors, including her husband. DiNozzo and McGee tr ...