Emotions run high for the team as one agent is held in an unknown location and tortured by the mole, while another discovers he was betrayed by someone he least expected.
Hetty goes rogue, leaving the NCIS team completely in the dark, and the mole kidnaps one of the agents.
Planted evidence by the mole results in the arrests of Callen, Sam, Granger and Deeks, on the same day Under Secretary Duggan returns for Hetty's resignation.
A new lead in the ongoing mole investigation is uncovered after two men disguised as sheriff's deputies are killed in front of Callen's home by an unknown female assailant. Meanwhile, Nell visits a prison to interview an inmate who is withholding information on the department's leak.moreless
Callen interrogates his father after he is found in an NCIS patient's hospital room during a radiation poisoning case. Meanwhile, the team discusses their Thanksgiving plans.
NCIS investigates when a graduate student who is developing an electromagnetic weapon for the Navy is attacked. The probe reveals a connection to international warfare. Meanwhile, Kensi continues with grueling physical therapy for her spinal injury.moreless
Callen goes undercover as a patient in a mental health hospital to search for an NSA agent who disappeared while tracking an ISIS cell trying to cross the Mexican border.
A maintenance man stops an intruder from attacking a lieutenant commander but the probe uncovers his secret past which puts a teen in danger. Meanwhile, Sam must decide which colleague he should take to a football game.moreless
A navy machinist with high security clearance is murdered on the roof of a downtown high-rise building. Anna Kolcheck partners with Callen to investigate. Meanwhile, Sam assists Hetty in the on-going mole probe.moreless
After a Homeland Security agent is poisoned by a notorious Triad assassin, NCIS uncovers a warehouse of counterfeit purses and a money trail to stolen government funds. Meanwhile, Nell joins the team in the field.moreless
The team investigates an abduction case while down two members, with Hetty being held in Washington, D.C., for questioning in the mole probe, and another still in ICU following the mission in Syria.moreless
Season 7 ends with Sam receiving a distress code from his son Aiden that his military school in San Francisco has been taken over by an extremist group led by Tahir, Sam's arch enemy. Sam, Callen, Kensi and Deeks rush north in hopes of apprehending Tahir and freeing the hostages.moreless
Sam and Callen go undercover as firefighters when top secret information about suspected terrorists is stolen from a secure Department of Defense container at the site of a fire.
Granger escorts Jennifer Kim, a North Korean spy who is his long-lost daughter, back to Los Angeles and interrogates her.
The team learns that operational psychologist Nate Getz is working with an infamous crime leader, after he fails to check in with Hetty while working undercover on a mission linking organized crime to terrorism.moreless
The team members search for a North Korean spy when they are assigned to protective details for the commander of the Pacific Command.
Callen tries to connect with a boy in imminent danger who has been brainwashed by a terrorist cell. Meanwhile, Deeks and Kensi discuss having children.
A convicted Cuban spy escapes U.S. custody just before he is set to return to his country in a prisoner exchange; and the team is shocked when they learn that Anna helped him break free.moreless
After extensive surveillance footage of Sam's family is found in Africa, Sam and Callen fly there to determine who is responsible and for what purpose. Meanwhile, Sam's family is moved from their home to a safe house.moreless
Part 2 of 2. In Russia, Callen, Sam and Anna plot to break Anna's father and his CIA agent companion out of prison. Meanwhile, Callen finally learns what the "G" in his name stands for; and Kensi and Deeks take Eric into the field on an assignment in L.A.moreless
Part 1 of 2. In order to locate Arkady in Russia, the NCIS team goes undercover with his daughter, Anna, at a gala in Los Angeles to gain access to the Russian Consul General's computer.moreless
Kensi and Deeks announce they are moving in together and then are assigned to protect Kensi's ex-fiancé, who is in possession of a list containing important contacts in Afghanistan that people are willing to kill to get their hands on.moreless
The team investigates the murder of a tech entrepreneur turned venture capitalist who secretly developed a daemon, a background computer program that allows for undetectable data collection.
Kensi and Deeks go undercover at a decommissioned nuclear power plant to investigate the radiation poisoning of a gunnery sergeant who was moonlighting as a security guard at the facility.
A suspected North Korean spy is poisoned and hit by a truck carrying Christmas trees. The team investigates and tries to learn who is smuggling spies into the country. Meanwhile, Deeks and Kensi try to include their mothers in their Christmas plans; and Hetty notices that Granger isn't in a holiday mood.moreless
Deeks is arrested and interrogated in connection with the murder of his former partner, while the team tries to prove his innocence.
The team searches for a missing teen girl who is feared to have been recruited by a terrorist organization.
The team searches for Jada, the woman Sam led to asylum in the U.S. four years ago, after she goes missing. Meanwhile, Kensi goes undercover with DEA agent Talia Del Campo.
As the rest of the team work to prevent the cult from selling government secrets, Kensi and Deeks go undercover as cult members to rescue a former Department of Defense employee brainwashed into revealing classified information.moreless
The NCIS team searches for Sam’s former partner, Ruiz, who disappears during an undercover operation to buy a deadly explosive.