Vance assigns McGee, Torres, and Bishop to Covid compliance duty at a foreign affairs summit, where they discover a link to another NCIS team's murder case.

As NCIS investigates the cause of death of a reservist Navy SEAL surgeon, they're forced to bring Vance's daughter to help with a highly dangerous mission.

The death of a boxer leads Vance to borrow the NCIS team and start investigating his death, while Gibbs digs into Vance's past.

When an NCIS agent turns up dead and Kasie goes unaccounted for, the team must work quickly to find the killer.

After discovering the remains of a Marine captain, the NCIS team travels to Texas to interrogate the suspected killer.

Gibbs and Fornell attempt to track down the leader of a drug ring who supplied drugs to Fornell's daughter. Also, the team deals with the case of a missing cadaver from the NCIS autopsy room.

After an unknown shooter causes chaos at an annual Thanksgiving 5K, time is of the essence for the NCIS team to find the culprit. Also, Kasie joins Knight for Thanksgiving lunch at Knight’s sister’s house.

The NCIS team investigates when a seaman's body is found at the bottom of the sea in his dress whites, with a ceremonial sword. They discover that he was addicted to a MMORPG. Now, the team must figure out how involved he was in the game and how far he would go to get revenge on his arch enemy, another sailor.

The NCIS team is called in to investigate when a perfectly functioning Marine helicopter is found in the middle of a crop circle.

Director Shepard makes a huge mistake by meeting a man alone to inform her about Le Grenouille, as their meeting turns into a murder of the informant. Now the NCIS team must gather all the existing info and try to finally hunt down their enemy.

After a young Muslim Marine is murdered near his Mosque, Ducky refuses to perform autopsy due to his religious beliefs, so the NCIS team tries to talk to the father of the deceased, and they send McGee to plant a bug in the Mosque, only to discover that the FBI already planted their bug.

Following the murder of a Marine, Tony and Ziva join Ziva’s longtime friend and mentor in Columbia in a search for a missing Marine Lieutenant and Navy Chaplain. Meanwhile, Jimmy Palmer decides who will be his best man.

On leave from NCIS while still grieving the loss of his wife and his kids’ mother, Director Vance discovers unexpected personal information that causes him to question everything.

When a missing MI6 Officer is linked to a murdered petty officer, Gibbs sends Quinn and Bishop to Philadelphia to work with MI6 Officer Clayton Reeves. Also, Quinn painfully recounts the NCIS case that made her leave field work.

The NCIS team investigates a series of escalating threats against congresswoman Jenna Flemming, while Director Vance oversees her temporary protection detail.

After a petty officer’s son is found murdered at his “welcome home from prison” party, evidence suggests Kasie’s lifelong best friend, Dante Brown, is the suspect.

NCIS investigates the death of a beloved Navy commander who trained some of the top athletes in the country.

NCIS investigates the case of a Navy reservist whose body is found in a beat-up car at the end of a gun range. Kasie weighs the pros and cons of buying a gun.

When an old pal of Torres’ comes to him, disheveled and bloodied for guidance amidst an undercover FBI operation and then disappears, NCIS helps track him down. Also, McGee prepares to be a contestant on a popular game show

Parker grapples with his emotions when a conman from his past turns up as a prime suspect in the murder of a navy officer transporting millions of dollars’ worth of opioids.

When a Navy commander's body washes up on shore along with the bodies of two drug runners, Gibbs refuses to believe that the sailor who was killed was dirty.

When a Navy commander, who was a technical advisor to a civilian contractor for a Navy weapon, is found dead on the beach, the NCIS team investigates the murder using satellite technology.

When the body of a sailor is found after a party in an illegal night club, the team investigates a number of possible leads - including blackmail and accidental death.

Gibbs' team investigates the death of a SEAL during a training exercise, and come to suspect that it wasn't an accident, but a murder.

A strange case for Gibbs and his team opens when a Navy Commendar dies after successful surgery. While researching through commander's past, the team finds out that he collected a lot of enemies lately and tracks down a ensign making him the prime suspect. Soon Abby realizes that they got the wrong man...