Original air date: 09/30/2018 Runtime: 43:10 min. Gravely injured and unable to communicate with the team in the U.S., Callen, Sam and Kensi, with an unconscious Deeks in tow, search for a safe way home as a cartel boss places a 'dead or alive' bounty on their heads. Also, Mosely and retired Navy Admiral Hollace Kilbride (Gerald McRaney) beseech their contacts in Mexico and D.C. for assistance with their missing colleagues.
Original air date: 10/07/2018 Runtime: 41:54 min. After the prototype for a tactical assault suit is stolen from a Navy base and used in a Beverly Hills jewelry heist, the team must determine who stole the suit and what their next target is. Also, retired Navy Admiral Hollace Kilbride (Gerald McRaney) temporarily oversees the team while Mosely and Hetty face repercussions for the unsanctioned Mexico mission.
Original air date: 10/21/2018 Runtime: 43:12 min. The NCIS team is in danger after their pictures, as well as Mosley and her son’s names, are included on a cartel hit list. Also, NCIS Deputy Director Louis Ochoa (Esai Morales) arrives with Special Prosecutor John Rogers (Peter Jacobson) to interview Mosley about the off-the-books mission in Mexico.
Original air date: 10/28/2018 Runtime: 41:09 min. While assisting NCIS with an undercover operation, informant Elizabeth Williams (Dendrie Taylor) is arrested, and the team is unable to provide her with an alibi. Also, Callen meets with ATF Agent Anna Kolcheck (Bar Paly) who remains on suspension following her last joint case with NCIS.
Original air date: 11/11/2018 Runtime: 40:25 min. The NCIS team partners with the State Department after the murder of an arms dealer is connected to a series of crimes seemingly executed by someone with elite special forces training. Also, Callen visits ATF Agent Anna Kolcheck (Bar Paly) in prison as she awaits her sentencing.
Original air date: 11/18/2018 Runtime: 43:11 min. Deputy Director Ochoa (Esai Morales) volunteers the NCIS team to assist with a covert operation tied to a terrorist group advocating for extreme military force. Also, Callen has concerns as to what an assignment of this nature could mean for the future of the team.
Original air date: 11/25/2018 Runtime: 42:55 min. The NCIS team investigates the home invasion of Navy Captain Dean Hadlow (Christopher Goodman), who was entertaining his friend, General Omer Abidi (Ravi Kapoor) of Pakistan, when robbers successfully stole money, jewelry and highly classified information. Also, Deeks and Kensi interview candidates to manage the bar.
Original air date: 01/13/2019 Runtime: 42:13 min. The NCIS team works with the Global Criminal Tribunal when a Syrian seeking justice, David Sarraf (Eyas Younis), is brutally attacked while delivering evidence that would prove chemical weapons were used on civilians. Also, Kensi stays at the crime scene and comforts Sarraf who is pinned behind a vehicle.
Original air date: 03/03/2019 Runtime: 42:55 min. The NCIS team investigates the murder of a journalist who was writing an exposé on a mishandled classified military operation. Also, as their wedding day quickly approaches, Kensi and Deeks work on the last remaining items on their to-do list.
Original air date: 03/24/2019 Runtime: 43:10 min. Sydney (Ashley Rae Spillers) turns to her sister Nell for help after her high school crush, Andre Martinez (Delon de Metz), is mixed up in a Russian plot to steal intelligence from the Department of Defense. Also, Special Prosecutor John Rogers (Peter Jacobson) conducts mandatory performance reviews with the team.
Original air date: 03/31/2019 Runtime: 43:01 min. Department of Justice (DOJ) Agent Lance Hamilton (Bill Goldberg) asks Sam for assistance in locating a former U.S. border patrol tactical officer who disappeared following a threat by the cartel. Also, Kensi and Army Criminal Investigative Department (CID) Special Agent Steve Evans (Shane McMahon) partner on a dangerous mission to recover a stolen hard drive with sensitive military intelligence on it.
Original air date: 05/19/2019 Runtime: 42:58 min. Callen and Sam work with Navy Captain Harmon "Harm" Rabb, Jr. (David James Elliott) to locate a group of ISIS sympathizers aboard the USS Allegiance. Also, Hetty enlists her friend, Lieutenant Colonel Sarah "Mac" Mackenzie (Catherine Bell), to help obtain information from a Russian diplomat.