An innocent man is jailed for 16 years due to a problem with a test that Abby had absolute faith in. Helping to solve the riddle is a band of amateur sleuths from a secret society in which Ducky is a part.moreless
The NCIS team investigate when the murder of a petty officer is revealed to match a M.O. that a local serial killer is using and it falls to the team to discover if this is the serial killer's latest victim or if it's a copycat killing while McGee and Delilah must learn to compromise before moving in together while potential tragedy lies in store for Bishopmoreless
When a texting teenager rear-ends a criminal's car, the accident initiates a series of events suggesting bioterrorism; as the NCIS team races to prevent it, Abbie ends up one of many hostages at a pharmaceutical company with a dangerous secret.moreless
After a Marine is found murdered in Quantico hours after calling Gibbs to discuss a possible case, Bishop and McGee go undercover as a married couple to run surveillance on a Marine Lieutenant and his wife.moreless
As the NCIS team is recruited by a DEA agent from California to help capture an evasive, criminal Marine, viewers learn more about Gibbs' past, changes which his team observes as he continues to recover from a near-death wounding, and his dedication to this particular case.moreless
Gibbs fights for his life after being shot by Luke. Meanwhile, Agent Dinozzo and Johanna travel to Egypt to take down The Calling.
A marine captain is murdered, and the team suspects a known terrorist's brother. Dinozzo is jealous of McGee's being selected by PR.
The team investigates a murder, where the victim is using an alias from Gibbs past. Bishop get's anxious over the thought of having to work under cover in the future, and the team learns the secret of Gibbs working as a computer nerd.moreless
When an American woman is rescued from terrorist captivity, the team learn one of her captors was American. Gibbs and Fornell try to cope with their ex-wife's murder.