Original air date: 10/09/2018 Runtime: 43:12 min. One of the NCIS agents is starstruck after the team investigates an explosion outside the home of Navy Petty Officer First Class Todd Nicholas (Cameron Radice) and his wife, popular reality TV star Sheba Nicholas (Tara Holt). Also, Vance continues physical therapy for the injuries sustained when he was held hostage.
Original air date: 10/16/2018 Runtime: 43:32 min. Gibbs' quiet vacation at his remote cabin is interrupted by a surprise visit from Tobias Fornell (Joe Spano) and Navy Captain Phillip Brooks (Don Lake), as well as a call from NCIS asking for his help locating a robber hiding in the woods near him.
Original air date: 11/20/2018 Runtime: 41:33 min. McGee and Bishop travel to Afghanistan after a murder case in the states is linked to a string of soldiers killed by friendly fire overseas. Also, Kasie leaves the lab and accompanies Torres into the field to process additional forensic evidence.
Original air date: 01/15/2019 Runtime: 41:50 min. An old family friend, Army Corporal John Sydney (Dabney Coleman), beseeches Gibbs to join him on a road trip to search for a missing military I.D. bracelet. Also, a Navy Lieutenant in NCIS protective custody is poisoned by an infamous drug dealer.
Original air date: 02/12/2019 Runtime: 43:32 min. After a malnourished and confused 9-year-old is found hiding in a storage unit, NCIS reopens an old missing persons case when the girl is believed to be the daughter of a Navy recruit who disappeared 10 years ago. Also, Bishop discovers notes that Special Agent Ziva David kept on the case long after NCIS officially stopped investigating.
Original air date: 02/19/2019 Runtime: 41:37 min. 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. The case escalates when an intruder breaks into McGee's home in an attempt to steal his archaic high school computer.
Original air date: 03/12/2019 Runtime: 43:02 min. Jimmy is torn between family and work after his father-in-law, Ed (Larry Miller), asks him to tamper with evidence from NCIS' current murder investigation. Also, Ed's poker buddy, Anthony DiNozzo, Sr. (Robert Wagner), offers to help with the case.
Original air date: 04/16/2019 Runtime: 43:02 min. NCIS investigates the murder of a Marine Major believed to have been killed in the 9/11 attack on the Pentagon after human remains are discovered at a construction site. A personal history with the victim drives Gibbs to solve her crime, on NCIS.
Original air date: 04/30/2019 Runtime: 43:34 min. 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. Also, McGee visits an elite technology company in Silicon Valley that is offering him a highly paid position.
Original air date: 05/14/2019 Runtime: 43:21 min. The NCIS team investigates the murder of a Marine Sergeant in the States who was hailed as a war hero for his efforts overseas. Also, Gibbs turns to Doctor Grace Confalone (Laura San Giacomo) for advice after he uncharacteristically unravels and abandons his team at a crime scene investigation.
Original air date: 05/21/2019 Runtime: 43:30 min. Former FBI Agent Tobias Fornell (Joe Spano) pleads with Gibbs to do whatever is necessary to take down drug dealers and suppliers in the area after his daughter, Emily Fornell (Juliette Angelo), is hospitalized from an opiate overdose. Gibbs is haunted by the personal aspects of the case and his history with vigilante justice.