||To Live and Die in Mexico
||September 30, 2018
||With their vehicle hit by a rocket launcher, the badly-injured team must find their way to safety while evading cartel forces that want them dead. Meanwhile, the fate of Agent Hidoko is learned.
||October 7, 2018
||While Callen remains on medical leave following the Mexico mission (and Hetty and Mosley facing the consequences), the rest of the team searches for a bank robber armed with a prototype Navy armored suit.
||October 14, 2018
||The team supplements the protection of a Saudi prince after a convoy with his decoy is attacked, but things get complicated when the attempted assassin is revealed to be Joelle Taylor.
||October 21, 2018
||The team discovers they have become targets of the cartel, along with Mosley and her son; Mosley faces a prosecutor digging into the unsanctioned Mexico op.
||October 28, 2018
||After an NCIS informant is arrested on bogus charges, the team works to get the case dropped while working the case their informant had been helping with.
||November 4, 2018
||The team gets called in when Mosley becomes a person of interest in the murder of a cartel hitman, and they must track her down before she crosses the line - and without the special prosecutor knowing.
||One of Us
||November 11, 2018
||The team investigates a murder that turns out to be the result of a professional hitman with a vendetta; Anna awaits her sentencing for the murder of Sokolov.
||The Patton Project
||November 18, 2018
||Deputy Director Ochoa volunteers the NCIS team to assist with a covert operation tied to a terrorist group advocating for extreme military force.
||A Diamond in the Rough
||November 25, 2018
||While investigating a robbery and shooting at a Navy captain's dinner with a Pakistani general, the team faces a political scandal when the general is discovered to have sensitive information on terrorist camps; Kensi and Deeks look for someone to run their bar.
||December 9, 2018
||Following a bank heist resulting in the theft of a Navy contractor's safety deposit box, the team investigates the contractor to see just what was worth stealing - all while dealing with Special Prosecutor Rogers watching over them.
||December 16, 2018
||The team searches for a Marine reservist with a history of PTSD who disappears after a drunk and disorderly altercation.
||The Sound of Silence
||January 6, 2019
||The team investigates a possible terror threat after the chief of logistics for a naval weapons station collapses on the job. Deeks and Kensi research different honeymoon locations.
||January 13, 2019
||After a witness with information regarding the use of chemical weapons in Syria is hit with a car, the team must work with Turk and the Global Tribunal to find the USB drive containing vital evidence while Kensi stays with the man as he faces death from his wounds.
||Smokescreen (Part 1)
||January 27, 2019
||The team partners with the FBI to locate a terrorist cell in Los Angeles believed to be prepping for an imminent attack.
||Smokescreen (Part 2)
||February 17, 2019
||Following a terrorist attack at a theater, the team's search for those responsible leads them to uncover the attack was merely a false flag operation.
||Into the Breach
||March 3, 2019
||The team's latest investigation leads them to uncover a story about a botched military op; Deeks' bar gets a health inspection.
||Till Death Do Us Part
||March 17, 2019
||The team prepare to celebrate the long awaited wedding day of Kensi and Deeks, but encounter problems in the unexpected arrival of Anatoli Kirkin. The mysterious contents of the Box is revealed, Hetty returns and Kensi and Deeks finally get married.
||Born To Run
||March 24, 2019
||Sydney drags Nell along when a high school classmate of theirs is targeted by unknown assassins while the rest of the team believes he is the prime suspect in the murder of a Naval officer guarding a top-secret project.
||March 31, 2019
||Deeks, Kensi, Eric, Callen, and Nell have a day off to do their own thing. Deeks and Kensi prepare the bar for a fundraiser while Callen recovers from a gunshot wound and bonds with his sister Alex's son. Eric and Nell make plans to go to San Francisco for Eric's job interview. It is revealed that Nell's mom has heart disease and her entire family is looking to move to San Francisco for a new treatment. Sam teams up with DOJ Agent Hamilton and Fatima to chase down a Texas drug lord who supposedly abducted the family of the federal agent who killed his son.
||April 14, 2019
||After a Navy Seal who worked as a security guard at a marijuana dispensary is attacked, the team's investigation leads them to a potential mass shooting.
||The One That Got Away
||April 28, 2019
||Anna and her cellmate escape from prison, leading OSP to assist in locating them to avoid a potential bloodbath.
||No More Secrets
||May 5, 2019
||The NCIS team travels to Cuba for an unsanctioned mission after Callen gets a lead on Anna Kolcheck's whereabouts.
||May 12, 2019
||Callen and Sam travel to the USS Allegiance in the Persian Gulf to work with Navy Captain Harmon Rabb, Jr. when the team uncovers a terror threat on military locations.
||May 19, 2019
||Callen, Hanna, and Rabb detain several terror suspects onboard the Allegiance but are simultaneously forced to deal with Iranian forces amassing on the Iraqi border; Sarah MacKenzie helps the rest of the team untangle a complicated spy web involving a crooked Russian diplomat, Chechen terrorists, and an increasingly meddlesome ISIS; Eric is conflicted between being there for Nell and her mother in the hospital and scrambling to neutralize the terror threat and prevent World War III.