The NCIS team is forced to work with the CGIS agency to solve a murder of a Navy diver that was found dead after trying to find sunken treasure.

The NCIS team stumbles upon a surprising discovery as they investigate the shooting of a Marine.

Gibbs is forced to revisit his painful past when his ex mother-in-law turns out to be a witness in a murder investigation.

After one of the drivers of a shady shipping company is found dead, the NCIS team has to go on the road to take down the illegal activities along with the FBI.

The NCIS team has to thwart an attempt by a group of terrorists to detonate a bomb before it’s too late.

While on the flight back from Paris, Tony and Ziva realize that their assignment to protect a government witness in an embezzlement case is in great danger when they learn that an assassin is located on the same flight.

Gibbs is worried about Tony’s ability to handle his job when Tony’s father turns out to be linked to their newest investigation, an assassination attempt on a foreign prince.

While investigating a bizarre murder of a Navy pilot, the NCIS team butts heads with an attorney that has a grudge against Gibbs.

The NCIS team is called in to investigate the death of a reverend’s Marine son, and they soon realize he may have been the victim of a hate crime. Meanwhile, Gibbs tries to figure out why his father had a sudden change of behavior when he comes to visit during the holidays.

When a death of a Marine leads the NCIS team to a government think-tank filled with child prodigies, the team has to protect a 12-year-old child who may be the next target of the killer.