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18 Episodes 2025 - 2026
Episode 1
Tue, Oct 14, 2025
Gibbs and Franks investigate the disappearance of a young Marine connected to a mysterious compound with a charismatic leader, and Lala's fate is revealed.

Episode 2
Tue, Oct 21, 2025
When the body of a college swimmer washes up on the beach, the team must determine if it was an accident or murder. Meanwhile, Gibbs prepares for his first interrogation.

Episode 3
Tue, Oct 28, 2025
When Dr. Donald 'Ducky' Mallard, a liaison from D.C. headquarters and an old acquaintance of Gibbs, arrives to evaluate whether Pendleton needs an in-house medical examiner, not everyone trusts that's the real reason behind his visit.

Episode 4
Tue, Nov 4, 2025
The team investigates the robbery of a Navy bank while Franks' brother blows into town desperate for help after hitting rock bottom and Lala, still struggling after her accident, makes a decision about her future.

Episode 5
Tue, Nov 11, 2025
When a naval officer mysteriously dies, the team travel to the small dust-blown town of Serenity, where they encounter secret-harboring residents, an uncooperative sheriff and an investigation that will reverberate for decades.

Episode 6
Tue, Nov 18, 2025
When an anonymous tip leads to the body of a young Marine at a horrendous crime scene, Randy believes there may be a connection to a previous case where a coin was left in the victim's throat.

Episode 7
Tue, Dec 2, 2025
The team investigates the murder of a Marine who had recently been handpicked for a classified mission as Wheeler's personal life is upended, Lala is thrown by unexpected news from Vera, and Gibbs and Diane double-date with Randy and Junie

Episode 8
Tue, Dec 9, 2025
After Lala's favorite CI is shot, the team works with Oceanside PD to find the culprit. Franks visits his brother Mason at the Range compound. Gibbs and Diane's relationship faces difficulties after she gets a job offer in Los Angeles.

Episode 9
Tue, Mar 3, 2026
As the team discovers Gibbs' drunken Vegas elopement with Diane, the newlyweds contemplate their future; the team investigates a fatal movie theatre bombing with a connection to the Pruitt compound where Franks' brother Mason is staying....
Episode 10
Tue, Mar 10, 2026
When a marine captain shows up at Camp Pendleton exhibiting symptoms of a fatal virus, NIS goes on lockdown and Gibbs is forced to take charge. Team races to determine whether it really is a deadly outbreak or something else entirely.
Episode 11
Tue, Mar 17, 2026
When a lieutenant's water-logged body is discovered with a potential connection to an international smuggling ring, NIS Panama agents are called in to assist, and Gibbs comes face-to-face with an old nemesis: Special Agent Dwayne Pride.
Episode 12
Tue, Mar 24, 2026
Mary Jo reconnects with an old friend from Atlantic City to investigate two Marines' roadside deaths when the NIS Regional Director attempts to transfer her.
Episode 13
Tue, Mar 31, 2026
Dr. Tango faces arrest for theft of human remains from a national park. Dr. Donald "Ducky" Mallard comes back to help the team prove he's innocent.
Episode 14
Tue, Apr 7, 2026
After trusted K-9 agent Gary Callahan is critically injured at a crime scene, NIS hunts for the perpetrator while an unexpected chapter from Franks' past before Pendleton comes to light.
Episode 15
Tue, Apr 14, 2026
Lala's determination to get Manny out of gang life lands the team in the middle of a turf war.
Episode 16
Tue, Apr 21, 2026
Gibbs and Lala bond while working a case together. Meanwhile, Gibbs' remote romance with Diane faces new challenges when his father Jackson shows up unexpectedly.
Episode 17
Tue, Apr 28, 2026
Wheeler takes command when a car bomb goes off outside NIS headquarters. Also, the truth about Franks' distaste for lawyers is revealed.
Episode 18
Tue, May 5, 2026
With the Camp Pendleton office in danger of being shut down, the team confronts an uncertain future.