The NCIS team uncovers a discrepancy with DNA remains when investigating the crash of a military plane that had been transporting caskets.

The Secretary of the Navy partners Gibbs with Dr. Samantha Ryan after top secret information is leaked by someone on the inside.

Gibbs continuă să ajute un pușcaș marin care suferă de sindrom posttraumatic în timp ce echipa încearcă să oprească un terorist autohton.

NCIS intră în acțiune când un ofițer Mossad face probleme în Virginia, iar Tony și Ziva merg la Berlin să ia urma ucigașului tatălui Zivei.

După ce Gibbs abandonează un caz în desfășurare pentru a-și ajuta tatăl să găsească un fost pilot din război, Tony și McGee devin rivali pentru conducerea anchetei.

Aflată pe urmele unui terorist, echipa descoperă că unul dintre complici folosește probele găsite după atacul cu dronă. Profund tulburat, McGee înfruntă consecințele.

NCIS investighează incendiul de la bordul unei nave folosite ca centru de detenție secret pentru teroriști. Gibbs revine la casa din copilărie după ce îi moare tatăl.

Gibbs se implică personal într-un caz când echipa NCIS dă în vileag o organizație caritabilă frauduloasă care profită de apropiații personalului militar dispărut.

Gibbs se întoarce la NCIS cu un look care intrigă echipa. La primul său caz după revenire, lucrează cu un agent DEA care nu îi deloc străin.

Probele lăsate în urma uciderii unui căpitan de marină care era vizat de o anchetă internă îi conduc pe agenți la adresa mamei decedate a lui Ducky.

Echipa NCIS se apucă de treabă după ce un pușcaș marin moare pe loc la un eveniment pentru o asociație care organizează tururi gratuite la monumente pentru veterani.

After the body of a missing Navy commander is found, Vance orders Gibbs and the team to work with former FBI Agent Tobias "T.C." Fornell, the private investigator who was hired to locate him. Also, Bishop and Torres interview convicted investment advisor Albert Hathaway when the victim is linked to his highly publicized trial.

Sara Carter begs Gibbs to investigate her mother's murder; she believes the wrong man was convicted; Abby is awarded a dinner reservation for two to a new five-star restaurant in an igloo and has to decide which co-worker deserves to go with her.

After a 50-year-old tape recording left by a murder victim is found, the NCIS team tries to exonerate Ray Jennings, the Marine serving a life sentence for the crime.

After a malnourished and confused 9-year-old is found hiding in a storage unit, NCIS reopens an old missing persons case when the girl is believed to be the daughter of a Navy recruit who disappeared 10 years ago. Also, Bishop discovers notes that Special Agent Ziva David kept on the case long after NCIS officially stopped investigating.

Following an active shooter lockdown at a naval hospital, the team searches for a suspect who fled the scene; someone from Sloane's past is a key witness in the case.

Ziva surprises Gibbs with a cryptic warning, prompting him to question why she remained underground for years while being presumed dead by family and friends, and what led to her return.

Gibbs and the team help Ziva with the "one thing" she said she'd take care of before returning to her family.

The team tries to verify the identity of Joe Smith, who claims he served on the U.S.S. Arizona during the attack on Pearl Harbor, and wants to be buried there upon his death.

Following a tip about smuggled weapons, Bishop and Torres engage in a shootout in a former sheriff's residence that's now a historical site, only to find themselves locked in abandoned jail cells there.