An NCIS case changes from accidental death to murder when evidence reveals that a Navy lieutenant died of forced over-hydration. Meanwhile, Gibbs meets Ducky’s new love interest.

A gruesome mishap at a Navy petty officer’s gender-reveal party leads NCIS to the case of a missing teacher that was popularized on a true crime podcast.

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

A gruesome mishap at a Navy petty officer’s gender-reveal party leads NCIS to the case of a missing teacher that was popularized on a true crime podcast.

Following an active shooter lockdown at a naval hospital, the team searches for a suspect who fled the scene; someone from Sloane’s past is a key witness in the case.

When the lead suspect of an unsolved and high-profile robbery case is released from prison, the NCIS team resumes their investigation with an undercover stakeout.

Gibbs clashes with Dr. Samantha Ryan (guest star Jamie Lee Curtis) over the truth behind a navy reservist’s possible suicide

When a young boy finds a murder weapon, the team must trace ownership of the gun to find who used it last and who was murdered.

The team is forced to rely on information from questionable sources while trying to stop a criminal bent on stealing government secrets.

Callen pursues every alternative when the Diplomatic Security Service apprehends his father, Nikita Aleksandr Reznikov, as part of an exchange for two American photographers being held hostage in Iran.

LAPD Detective Whiting calls in a favor when Deeks’ former partner goes rogue.

When a missile test is hijacked and sent off course, the team searches for the hacking group responsible for the attack with the help of a young computer specialist Hetty…

Eric is one of seven suspects after Granger is poisoned by the mole.

When Sebastian is injured while unsuccessfully trying to prevent a kidnapping, NCIS races to find the missing woman and her abductors; the team gets a peek into Agent Carter’s personal…

After Eddie Barrett provides an alibi witness, Pride and the team are more determined than ever to find a break in the case and avenge Lasalle’s murder.

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…

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…

The team tracks an elusive international arms dealer who recently murdered an MI6 officer; Abby races Delilah to the hospital when her labor starts three weeks early.