Shaken by terrorism, the NCIS team faces devastating surprises on the ninth season finale, which features Palmer’s wedding and the culmination of the arson-terror arc.

The NCIS team analyzes what secrets could be in the hands of a terrorist targeting the Navy when a high-tech bug is found inside a probationary agent’s tooth.

The NCIS investigation of a fire on a Navy vessel reveals evidence that elevates security at all U.S. Navy facilities worldwide.

A warehouse fire compromises Navy documents and thus poses a threat to national security, so the NCIS team joins the Baltimore PD’s investigation.

Following the murder of a Marine, Tony and Ziva join Ziva’s longtime friend and mentor in Colombia in a search for a missing Marine Lieutenant and Navy Chaplain.

“The Good Son” is centered around Director Vance (Rocky Carroll) and provides a rare glimpse into his personal life – introducing us to a new family member.

The Secretary of the Navy partners Gibbs with Dr. Samantha Ryan after top secret information is leaked by someone on the inside.

The murder of a chief petty officer with top secret clearance leads the team to the murder of an international arms dealer in the DC area.

Mark Harmon and Jamie Lee Curtis reunite when she guest stars as Dr Samantha Ryan on this mid-February episode of NCIS.

DiNozzo is forced to work closely with his ex when the death of a Navy captain is tied to a secret society.