Gibbs reunites with a former colleague when the murder of a congressman in New Orleans prompts a joint case between the field offices and the FBI.
The NCIS team enters the world of rock ‘n roll after a bomb explodes during the rehearsal for a military charity concert.
When DiNozzo confronts a man impersonating a Navy officer, guns are drawn and the perpetrator is left dead. The subsequent investigation uncovers that the only eyewitness is DiNozzo's father, who is in town to disclose a secret to his son.moreless
After uncovering faulty bulletproof vests in a truck filled with stolen U.S.M.C. merchandise, the NCIS team attempts to locate both the source and any vests that had been shipped to military personnel overseas.moreless
The murder of a port authority officer reveals Parsa's possible whereabouts, as the team continues their tireless hunt. Meanwhile, Bishop reveals her past association with the elusive terrorist.
In an effort to find the terrorist Parsa, Gibbs and the NCIS team track down one of his cohorts using evidence from the drone attack. Meanwhile, an emotionally shaken McGee struggles with the ramifications of the incident.moreless
When a stolen drone is linked to the elusive terrorist Parsa, the NCIS team partners with the Department of Defense, including Gibbs' former girlfriend, Hollis Mann, to track down the device before it is used for a large scale attack.moreless
After a mysterious illness strikes children from military families, Gibbs and the team investigate the cause. Meanwhile, Abby and Jimmy partner with the Naval Medical Research Center to determine the strain of illness, all in hopes of delivering a cure before the holidays. Also, Vance struggles with forgiveness as his estranged father-in-law makes a surprise visit to his home.moreless
Complications arise when the NCIS team discovers a link between a murder victim and the boyfriend of Gibbs' ex-wife.
When it's discovered the Secretary of the Navy was bugged during a confidential briefing, the NCIS team must work with NSA Analyst Ellie Bishop to help determine who is responsible.
The latest NCIS investigation returns DiNozzo to his Baltimore P.D. days when he chases a felony suspect from a 15-year-old case.
The murder of a woman impersonating a deceased soldier leads Gibbs to an Afghan women's shelter formerly championed by Mike Franks.
The NCIS team utilizes Twitter to help solve a case, and McGee agonizes over his lost badge.
As Gibbs and the team search for a terrorist ring stateside, Tony travels to Israel with the mission of finding Ziva.
Following an explosion at a D.C. black-tie affair, Parsons assumes a new role within the NCIS agency, while Gibbs' team remains down three agents.
Pierce is sure that a psychiatric hospital is full of secrets after he investigates a stabbing there.
Gibbs and the team are assigned legal counsel after the Department of Defense IG Investigator puts their future at the agency in jeopardy.
The NCIS team is questioned by a Department of Defense investigator regarding their response to the Bodnar case.
Against orders from Homeland Security, the NCIS team continues their manhunt for the elusive Bodnar.
After Ziva tracks a lead on Bodnar to Berlin, she and Tony head overseas in the hopes of avenging her father's death.
When a Navy reservist returns home to find her husband missing and her living room covered in blood, she turns to the NCIS team to bring him home. Meanwhile, Tony suspects that Ziva is planning a risky move to avenge her father's death.moreless
A massive storm brings the NCIS team aboard the USS Borealis, where everyone becomes a suspect once the crime scene proves that Mother Nature wasn't the only culprit. Tension builds when McGee discovers that his estranged father, Navy Admiral John McGee, was on board during the incident.moreless
After Ducky and Jimmy fail to return to headquarters following a crime scene investigation, the rest of the NCIS team works to locate the disappearing duo.
The team looks into a hacker that could lead them to the most-wanted cyber terrorist in the world.
It's Christmas time for the DiNozzos when Tony's dad comes to visit. Meanwhile, the NCIS team is "following the money" in order to solve a murder investigation.