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.
US crime series. Gibbs fights for his life after being shot, while DiNozzo and Joanna Teague travel to Shanghai to try and take down the Calling. (S13 Ep 1)
US crime series. DiNozzo discovers that Gibbs is connected to an unsolved case. (S13 Ep 2)
US crime series. After a marine is found murdered just hours after calling Gibbs, Bishop and McGee go undercover as a married couple. (S13 Ep 3)
US crime series. Vance partners with Gibbs and returns to field duty when a murder case is connected to a former NCIS agent he locked up for stealing evidence. (S13 Ep 4)
US crime series. While visiting a pharmaceutical lab on a murder case, Abby is trapped after armed men take over the building and hold everyone hostage. (S13 Ep 5)
US crime series. When a petty officer's murder matches the methods of a local serial killer, the NCIS team must determine if this is the work of the serial killer or a copycat. (S13 Ep 6)
US crime series. The murder of a retired Navy Lieutenant Commander forces Ducky to reveal his participation in a secret society that solves cold cases. (S13 Ep 7)
DiNozzo is reunited with his ex-girlfriend, Jeanne Benoit, when insurgents in Sudan attack a group of volunteer doctors, including her husband. (S13 Ep8)
A junior officer is charged with the murder of his ex-girlfriend. He asks the NCIS team to help him prove his innocence. (S13 Ep9)
The team come to the aid of a terminally ill navy lieutenant after his sister is killed in action. (S13 Ep10)
When Ducky is attacked by a man who claims to know more about the death of his half-brother, the team tries to find the culprit. (S13 Ep11)
Two-part crossover crime drama. Gibbs and the team join up with their New Orleans colleagues to investigate when all passengers on a private jet are killed. (S13 Ep 12)
While investigating the murder of a seaman who was set to testify before a grand jury, the NCIS team uncovers the resurgence of a human-trafficking ring. (S13 Ep13)
US crime series. A deep sea diver is murdered during work and the team has to investigate the case under difficult circumstances. (S13 Ep 14)
Secretary Sarah Porter's daughter is kidnapped. The NCIS team works with the FBI to find her. (S13 Ep15)
Doctor Cyril Taft experiences the rush of an NCIS case after he is assigned surgical duty to Gibb's suspect and finds key evidence. (S13 Ep16)
The NCIS agents' personal plans are interrupted when each of them catches errors in a seemingly cut-and-dried closed case. (S13 Ep17)
The NCIS team re-examines an ambush on a group of Special Ops snipers in Iraq after an American couple is attacked in the same area six months later. (S13 Ep18)
The wife and a mistress of a Navy Public Affairs officer both accuse each other of his murder, so the team must work out who is lying. (S13 Ep19)
After Tony's identity is stolen by multiple perpetrators, the fake Special Agent DiNozzos begin blackmailing senators. (S13 Ep20)
Gibbs and senior FBI agent Fornell unite after two British prisoners, including a former spy, escape and arrive stateside via a shipping container. (S13 Ep21)
When a 14-year-old foils a home invasion, Gibbs suspects the teenager is withholding pertinent details. Vance and Fornell travel to London. (S13 Ep22)
The NCIS team, alongside the FBI and MI6, continue an international manhunt for an escaped British spy who has left one colleague fighting for life. (S13 Ep23)
US crime series. The NCIS team, alongside the FBI and MI6, continue an international manhunt for an escaped British spy who is targeting current and former agents. (S13 Ep 24)