NCIS stands for Naval Criminal Investigative Service. The series chronicles the operations of an elite team of special agents whose mission is to investigate any crime that has a shred of evidence connected to Navy and Marine Corps personnel, regardless of rank or position.
While investigating the murder of a coast guard officer aboard a cargo vessel, the team finds a Lebanese family seeking refuge in the US. (S9 Ep 5)
The team investigates the death of a Navy lieutenant who died of over-hydration, which soon turns into a murder investigation. Gibbs meets Ducky's new lady. (S9 Ep6)
When Gibbs' and Fornell's ex-wife's new husband is kidnapped, the NCIS team partners with the FBI to investigate. (S9 Ep7)
While investigating the crash of a military plane that was transporting caskets, the NCIS team discovers a discrepancy with the DNA remains. (S9 Ep8)
The search into the disappearance of a marine lieutenant continues, with the trail leading to Afghanistan. (S9 Ep9)
Tony's father claims to have no memory of the night when he is found inside a car containing a dead body in the boot. (S9 Ep10)
After a Navy captain is murdered in his hotel room, the NCIS team has to find his pregnant companion and protect her from unknown assailants. (S9 Ep11)
The NCIS team investigates the murder of a Navy lieutenant commander while dealing with her distraught husband. Ziva considers her future when Ray returns. (S9 Ep12)
An investigation into the murder of a naval attache on holiday from Egypt is complicated by the intervention of her husband, who is also a detective. (S9 Ep13)
While stopping at a diner for coffee, Gibbs finds himself in grave danger, prompting him to think about his past and the choices he made. (S9 Ep14)
Crime drama. When a Navy captain is found dead with a costume under his uniform, NCIS uncovers a secret society of real-life super heroes and must track down the villain. (S9 Ep 15)
The death of a Navy psychologist working on an operation to undermine enemy scientists leads Gibbs to play mind games with the shrink in charge of 'Psy-ops'. (S9 Ep16)
While examining the murder of a chief petty officer with top secret clearance, the team find an international arms dealer. (S9 Ep17)
Following a leak of classified information, the Secretary of the Navy partners NCIS with PsyOps to solve the mysterious case. (S9 Ep18)
A case hits close to home when the lead suspect in the murder of a petty officer is Director Vance's brother-in-law. (S9 Ep19)
Tony and Ziva travel to Colombia, where they are joined by Ziva's mentor to search for a missing Marine Lieutenant and Navy Chaplain. (S9 Ep20)
The team investigate after a corpse and some classified documents are found in the burnt-out warehouse of a manufacturer. (S9 Ep21)
The investigation into a fire on a ship leads to a revelation that threatens the security of the entire US fleet. (S9 Ep22)
The team's search for a terrorist targeting the Navy takes an unsettling turn when a high-tech bug is found in a probationary agent's tooth. (S9 Ep23)
Harper Dearing's quest for revenge on those he considers responsible for his son's death shakes NCIS to its core. (S9 Ep24)