Party Crashers October 1, 2017

After Hetty turns in retirement papers and then disappears, Executive Assistant Director Shay Mosley arrives in Los Angeles to oversee the team and immediately makes staffing changes. Also, still mourning the death of his wife and living in a trailer on the beach, Sam is adamant that Callen find a new partner.

Se Murio El Payaso October 8, 2017

When the daughter of a notorious counterfeiter arrives in Los Angeles, Sam is sent undercover as a financier, while Callen partners with Anna to track the family's latest scheme.

Assets October 15, 2017

During the murder investigation of a Navy Lieutenant on leave in Los Angeles, the NCIS team uncovers classified surveillance briefs she smuggled into the city that may have been sold to a foreign buyer.

Plain Sight October 22, 2017

After weapons with a $1 million street value are stolen, the team tracks the evidence to a wealthy charity event, prompting Mosley to be added to the guest list with Callen and Sam as her security detail.

Mountebank October 29, 2017

Sam goes undercover as a day trader after a prominent investment banker with ties to a Russian oligarch is murdered. Also, one of Callen's aliases is the victim of credit card theft, and Mosley is concerned it signals something bigger.

Can I Get a Witness? November 5, 2017

LAPD Detective Whiting calls in a favor from Deeks after his former partner, LAPD Lieutenant Bates, goes rogue and only Deeks can bring him in.

The Silo November 12, 2017

After an Air Force captain Kensi dated a decade ago breaches a missile launch facility, she is transported to the location to help thwart the use of nuclear weapons.

This Is What We Do November 19, 2017

The NCIS team must locate a group of unknown assailants who illegally crossed the border and attacked California Highway Patrol officers. Also, Homeland Security sends over Specialist Sydney Jones, Nell's older and bossy sister, to assist NCIS with the case.

Fool Me Twice November 26, 2017

Callen and the team question CIA Agent Joelle Taylor's backstory after she escapes from a kidnapping and turns to Callen for help.

Forasteira December 10, 2017

The NCIS team tracks a highly skilled assailant determined to avenge her father's death by killing a Brazilian diplomat.

All Is Bright December 17, 2017

The team investigates a ransomware attack that takes out the entire power grid for west L.A. and paralyzes the city. Also, as the first holiday season since the death of Sam's wife approaches, he struggles to find the best way for his family to celebrate.

Under Pressure January 7, 2018

After napalm is detected at a crime scene, the NCIS team investigates the sole casualty for possible links to terrorism.

Các Tù Nhân January 14, 2018

While Hetty is being tortured by her captors in Vietnam, Eric and Nell find a clue to her whereabouts, prompting the team to organize a rescue mission with very little information.

Goodbye, Vietnam March 11, 2018

Callen, Sam, Kensi and Deeks join Hetty's team from the Vietnam War, Sterling Bridges, A.J. Chegwidden and Charles Langston, in a dangerous and off-the-books rescue mission to save Hetty from her captors in Vietnam. Also, Mosley calls in Nell's sister, homeland security specialist Sydney Jones, to assist the team in Los Angeles with processing evidence connected to Hetty's time in Vietnam.

Liabilities March 18, 2018

Callen and Sam pull Granger's daughter, former spy Jennifer Kim, from witness protection to help the team locate an underground spy who has obtained an arsenal of bomb materials.

Warrior of Peace March 25, 2018

Callen pursues every alternative when the Diplomatic Security Service apprehends his father, Nikita Aleksandr Reznikov, as part of an exchange for two American photographers being held hostage in Iran.

The Monster April 1, 2018

While investigating a missing person's case, the team uncovers a killer who puts on shows for high-paying voyeurs. Also, Mosley assigns Callen as her partner on a joint ATF mission to apprehend someone from her past.

Vendetta April 8, 2018

Callen and Sam join forces with Anna Kolcheck and the Bureau of Alcohol, Tobacco and Firearms (ATF) when Arkady Kolcheck warns NCIS that a notorious international weapons dealer has returned to the states. Also, the case requires Eric to go undercover as a bank IT technician.

Outside the Lines April 22, 2018

After a cryptocurrency farm is robbed of over $10 million in Bitcoin codes, Sam and Hidoko go undercover, with Sam resuming a likely compromised former alias.

Reentry April 29, 2018

Callen, Sam and Nell travel to the Angeles Forest to search for pieces of a failed rocket launch, including a top-secret government device. Also, Hetty tries to help Keane acclimate to life in the states.

Where Everybody Knows Your Name May 6, 2018

NCIS partners with the FBI after a Marine is murdered by a rare nerve gas. Also, Deeks shares his dream to quit law enforcement and open a bar.

Venganza May 13, 2018

NCIS investigates the murder of a federal prison inmate who was the adopted daughter of a notorious counterfeiter. Also, Callen is summoned by the Alcohol, Tobacco and Firearms (ATF) Internal Affairs board to discuss Anna Kolcheck's actions during a joint NCIS and ATF case.

A Line in the Sand May 20, 2018

After Sam is shot during a firefight with the cartel, a suspect is interrogated and reveals new information on the whereabouts of Spencer Williams, the man who kidnapped Mosley's son five years ago.

Ninguna Salida May 20, 2018

Despite several team members with grave reservations, NCIS travels to Mexico for a risky mission to locate and rescue Mosley's son.