NCIS investigates a suspicious explosion on an oil platform.
The team is assigned to protect Ziva's father when he attends the NCIS conference.
The Port-to-Port killer is finally revealed.
The Port-to-Port killer claims yet another victim.
Tony's former partner is found murdered.
The NCIS team are called to the Pentagon to catch a killer.
The team are after a globe-trotting serial killer.
A dying message from a naval officer leads the NCIS team to a manuscript that threatens national security.
Why is Vance so keen to nail a teen drug addict?
One of the team's former research assistants is murdered.
A grisly find in a stolen purse kicks off an investigation.
A marine dies saving the life of a Belgravian prime minister.
The team has to undergo mandatory psychological evaluations while investigating the death of a naval commander.
A Marine is found beaten to death in his own backyard.
A recruitment session of a petty officer results in murder and NCIS are sent to investigate.
The team investigates the murder of a marine on a dinner boat cruise.
The team try to find a missing witness for an upcoming murder trial.
After being ambushed, the NCIS team have to regroup quickly to find Ziva's missing father.
A high-level meeting between past directors of NCIS is targeted by a Palestinian terrorist group.
While investigating a murder, NCIS soon discover they are also dealing with a lost nuclear weapon.
The team worry about Abby when she becomes too involved with a recent murder case.
The team investigates the death of a naval officer who was killed live on a radio show.
The team investigate the murder of an American naval officer aboard a British ship.
A female bomb expert is linked to a murder.
A man hinders the team's investigation into the kidnapping of his grand-daughter.
The NCIS team become targets of female mobster Paloma Reynosa.