The team continues their search for Gibbs and McGee two months after they went missing fighting rebels in Paraguay; Vance and Torres are summoned to a congressional hearing regarding the fallout from the Paraguay mission.
NCIS investigate the body of a murdered Navy lieutenant, who disappeared over a year ago; Gibbs and McGee must pass a psych evaluation to officially resume working.
The NCIS team, including recently transferred Special Agent Jacqueline Sloane, investigating the kidnapping of a sailor during a storm that shuts down Washington DC.
After Reeves sees his friend get kidnapped, the NCIS team discovers the primary suspect disappeared two days ago with confidential military information. Also, a photo from McGee's teenage years becomes a popular meme.
After a petty officer is found murdered, McGee spends hours on the victim's ham radio trying to locate a key witness. Also, Palmer asks co-workers to donate to a charity that builds playgrounds for kids of all abilities.
An NCIS person of interest in a bribery and fraud case is found murdered after a runner is led to his body by a strange voice. Also, McGee and Delilah disagree on whether to find out the baby's sex.
Turkey day plans are on hold while tracking international arms dealer Andre Yorka, who recently murdered an MI5 officer who was Sloane's close friend. Also, Abby races Delilah to the hospital when labor for the twins starts 3 weeks early.
Torres and Sloane run protection detail for a U.S. senator in Afghanistan during the holidays and must return to the States when they learn the senator's son is in the ICU.
A Navy Lieutenant JAG lawyer that appeared to have a happy life is found dead by her parents in an apparent suicide. Capt. Bud Roberts helps in the investigation.
When the body of a missing Navy commander is found, Gibbs and his team are ordered to work with former FBI agent Tobias Fornell, the private investigator who was hired to find him.
NCIS makes a deal with Paul Triff to give him a 48-hour furlough at his former residence, now McGee's home, in exchange for information to convict Gabriel Hicks.
NCIS searches for a petty officer suspected of assault who escapes when the sheriff transporting him crashes into a lake. Also, Torres works closely with Annie Barth, a key blind witness who heard vital evidence needed to solve the case.
A daughter begs Gibbs to investigate her mother's murder because she believes the police convicted the wrong man. Abby receives a hard to get reservation at a new restaurant that is cold like an igloo.
When evidence reveals an NCIS team member is a hitman's latest target, the team must search through old case files to determine who is seeking vengeance.
While Gibbs attends the memorial service for a friend who was lost at sea, he discovers that the deceased has been hiding in a fallout shelter after his boat was attacked and he swam to shore.
