Leroy, Tony and 'Ducky' investigate the death of a senior Navy officer on board presidential plane Air Force One; a marine dies during a parachute exercise; and a naval commander's body is washed ashore.
The team is called in to investigate the death of a senior navy officer on board presidential plane Air Force One. Forensic tests indicate the fatality was due to natural causes, but Abby remains convinced he was murdered. US drama, starring Mark Harmon and Pauley Perrette.
A US marine's parachute fails to open during a training exercise and he plunges to his death, leaving the team to determine whether he was murdered. The man had a reputation for good fortune and invariably walked away from accidents unscathed - but his luck at the poker table may have cost him dearly. Mark Harmon and David McCallum star.
A naval commander's body is washed ashore along with the bullet-riddled corpses of two drug traffickers, suggesting he was involved in illicit activities. Gibbs refuses to believe the worst and tries to prove the man's innocence by finding whoever else was involved in the shoot-out. Guest starring Emilie de Ravin (Lost).
The team investigates a role-playing game believed to have caused the death of a sailor who was found at the bottom of the sea in his dress whites. Discovering the dead man was a compulsive player, Gibbs and the crew try to find out how far he would have gone to exact revenge on his arch-enemy, another seaman. Drama, starring Mark Harmon and Michael Weatherly.
A Navy lieutenant's mummified body is found 10 years after his disappearance, prompting renewed interest in the case. Declared a deserter, he was given a dishonourable discharge - chiefly because $1million went missing from his ship's safe on the day he vanished. Drama, starring Mark Harmon.
Gibbs, Tony and Kate board an aircraft carrier to investigate the deaths of two crewmen who appear to have overdosed, even though the pair had no history of drug use. At first the inquiry seems doomed to failure - until training tapes offer an unlikely lead. Drama, starring Mark Harmon and Michael Weatherly.
The partially dissolved body of a submariner is discovered in a tub of acid at a Navy base - but Gibbs discovers no crew members have been reported missing and deduces an imposter has assumed the dead man's identity. Drama, starring Mark Harmon and Sasha Alexander.
The investigators head for Cuba to look into the mysterious death of a Navy translator stationed at Guantanamo Bay. Discovering a terrorist is plotting to kill one of his own accomplices, they try to thwart the plan before tragedy occurs. Starring Mark Harmon and Sasha Alexander.
The team is forced to exhume the body of a marine in a bid to ascertain whether a phone call to his widow, allegedly from beyond the grave, was a malicious hoax or evidence that he is still alive. Naval crime drama, starring Mark Harmon.
A woman is buried alive, but manages to claw her way out of the grave. The only thing she remembers is that someone has planted a bomb on board a Navy ship - but in the process of trying to learn her identity, the team discovers things are not as they seem. Sherilyn Fenn (Twin Peaks) guest stars.
A spy satellite technician's voyeuristic activities inadvertently lead to him witnessing the murder of a Navy commander involved in an important weapons project. Tipped off by an anonymous call, the investigators arrive at the base to find the victim has been stabbed in the back. Drama, starring Mark Harmon and Sasha Alexander.
A severed leg bearing a marine tattoo is discovered in a rubbish bin. Once the victim is identified, Gibbs and the crew follow the trail back to a small town, where an insurance fraud seems to have taken place. American naval crime drama, starring Mark Harmon, David McCallum and Sasha Alexander.
The team races to find a sniper who is targeting marine recruitment officers and picking them off one by one. The only clue is a white feather left at the scene of each shooting - and in the absence of any other evidence, Gibbs uses himself as bait to catch the killer. American drama, starring Mark Harmon, David McCallum, Sasha Alexander and Michael Weatherly.
Three similar execution-style killings take place, and the team discovers one of the victims was going through a messy divorce. His widow falls under suspicion of committing the first two crimes to mask the murder of her husband - but, unfortunately for the agents, she has an alibi. Starring Michael Weatherly and David McCallum.
Gibbs entrusts the team with the task of finding his former commanding officer, who has gone on the run rather than staying behind to face charges of killing a marine and stealing funds. Kate and Tony's investigation leads them to the missing man's cabin - which has been sprayed with bullets and contains an unidentified corpse. Mark Harmon stars.
Ducky, Gerald and Kate are taken hostage by a gunman who demands evidence relating to the recent shooting of a suspected terrorist. As Gibbs and the team struggle to resolve the crisis, they are alarmed to discover there is a Hamas operative in their midst. Crime drama, guest starring Alan Dale (Ugly Betty).
As Gibbs recovers from his gunshot wound, the team is called in to investigate the killing of a US Marine and tries to determine whether the crime is related to an alleged case of blackmail at an illegal nightclub. Drama, starring Mark Harmon.
A former US Navy Seal escapes from prison, intent on finding his wife's real murderer. The break-out sparks a race against time as the NCIS team tries to reach him before he exacts revenge. Mark Harmon, David McCallum and Sasha Alexander star.
Gibbs and his team are called in to investigate the murder of a fellow NCIS agent. Seemingly aware that he was about to be killed, the victim is known to have swallowed a memory card relating to a cold case he was working on. Tony goes undercover to glean more information - and gets the surprise of his life. Mark Harmon and Michael Weatherly star.
The team investigates the disappearance of a US Marine and discovers three former members of his unit have recently died. Digging deeper, evidence is uncovered suggesting the commander may be a serial killer who preys on his own men. Drama, starring Mark Harmon.
The remains of a US Marine are found impaled on a tree stump in a forest, where Tony discovers a shell from a multi-purpose assault weapon. The investigation leads to a pawn shop - where evidence of a botched illegal arms deal is uncovered. Mark Harmon stars.
A Navy Seal falls to his death while training for a secret mission and his commanding officer believes it was an accident. Analysis of the victim's equipment proves it was sabotaged, but fingerprints at the crime scene reveal nothing, prompting the agents to re-enact the sequence of events before the time allocated for the assignment runs out.
Gibbs faces an old adversary who has re-emerged with a plan to assassinate the US president and taken Kate hostage in a bid to ensure success. The FBI manages to foil the attack on the presidential helicopter, Marine One, but the case seems set to end on a downbeat note. Rudolf Martin guest stars, with Mark Harmon and Sasha Alexander.