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.
Gibbs and Fornell are in close pursuit of an illicit drug operation and its leader. And a cadaver disappears from the team's autopsy room.
Flashbacks reveal the murder case that first introduced young Gibbs to NCIS and to Ducky.
The team enters the world of 21st century treasure hunting as they investigate two murders. Gibbs and Fornell continue to look for an opioid kingpin.
McGee and his wife's Bahamian vacation is interrupted by an important case. Gibbs worries about the future when his search for Fornell gets violent.
Gibbs and Fornell reach an apex in their crusade for justice for Emily. Gibbs and Vance allow the team to work on a case with possibly dangerous implications.
When the son of a petty officer is murdered in his prison home, evidence suggests that Kasie's lifelong best friend, Dante Brown, is the suspect.
A Navy officer drives a recently released inmate home shortly before their death, which sends the team on a search to find the murderer. Palmer struggles with a personal trauma.
Gibbs and Sloane search for a group of missing girls in Afghanistan. McGee, Bishop and Torres pursue a hacker who leaked dangerous information to the Taliban.
A victim's body is found frozen in the back of a food truck, which sends the team on an investigative journey into the competitive world of food trucks.
One of the NCIS members takes unexpected action after the team starts investigating an underground dogfighting operation.
McGee, Torres and Bishop discover a potential connection to a murder case while working on COVID-19 compliance duty during a foreign affairs summit.
Torres is led to see his father, whom he has not visited since childhood, due to certain pieces of evidence in a case about a Marine sergeant's stabbing.
Gibbs gets ready to testify against financial advisor who is accused of stealing millions of dollars from his clients while the team investigates a murder case.
The sole survivor of the NCIS Regional Enforcement Action Capabilities Training Team helps the team investigate an explosion that killed her teammates.
Bishop is implicated in an old NSA leak and Gibbs and Marcie notice that the murderer they are following could be aware of what they are doing.