ALLTV

A former FBI agent pleads with Gibbs to do whatever is necessary to take down drug dealers after his daughter is hospitalized from an opiate overdose; Gibbs is haunted by the personal aspects of the case and his history with vigilante justice.

NCIS

Daughters

The team investigates the murder of a Marine sergeant who was hailed as a war hero for his efforts overseas; Gibbs turns to Dr. Grace Confalone for advice after he uncharacteristically unravels and abandons his team at a crime scene investigation.

Lost Time

After NCIS finds a secret government bank account that's funding a nationwide network of vigilante justice, the team must determine who is acting as judge and jury.

...and Executioner

After entering cold case DNA into the system, Kasie solves a 30-year-old murder case, but a loophole in the legal system may set the suspect free; McGee visits an elite technology company in Silicon Valley that is offering him a high-paid position.

Judge, Jury...

After human remains are discovered at a construction site, NCIS investigates the murder of a Marine major believed to have been killed in the 9/11 attack on the Pentagon; a personal history with the victim drives Gibbs to solve the crime.

Hail & Farewell

Following an active shooter lockdown at a naval hospital, the team searches for a suspect who fled the scene; someone from Sloane's past is a key witness in the case.

Perennial

Torres relies on his team's investigative skills after he wakes up on a dilapidated fishing boat and is covered in blood and unable to remember the last 12 hours.

Mona Lisa

Director Vance is notified by the Pentagon that the nuclear submarine Gibbs and Bishop are aboard to conduct a murder investigation has gone radio silent.

Silent Service

Jimmy is torn between family and work after his father-in-law asks him to tamper with evidence in a current murder investigation; Ed's poker buddy offers to help with the case.

Bears and Cubs

The NCIS team investigates a man overboard fatality from a Navy destroyer at sea; Torres is frustrated with Vance's assignment to mentor three high school students.

Crossing the Line

McGee reluctantly visits his high school after the unique computer password he used as a teenager is linked to the murder of a department of defense contractor; an intruder breaks into McGee's home in an attempt to steal his high school computer.

Once Upon a Tim

A malnourished and confused 9-year-old girl is found hiding in a storage unit; the team suspects the girl is the daughter of a Navy recruit who disappeared 10 years ago; Bishop discovers notes that Special Agent Ziva David kept on the case.

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Naval Criminal Investigative Service Special Agent Leroy Jethro Gibbs leads a group in investigating crimes -- ranging from murder and espionage to terrorism -- that have evidence connected to Navy and Marine Corps personnel.

S16 E18 | Mona Lisa