The Office of Special Projects (OSP) is a clandestine division of NCIS and is located in Los Angeles, California. They go deep undercover to capture criminals that are threatening national security. The team includes G Callen, the chameleon, Sam Hanna, Callen's partner and a surveillance expert; Kensi Blye, the adrenalin junkie; Marty Deeks, LAPD Liaison to assist NCIS with interdepartmental issues; Eric Beal & Nell Jones provide computer support and Henrietta "Hetty" Lange, the Operational Manager, who not only manages the money and material assets, but the team itself. They have access to the latest technological developments and they do whatever is necessary to get the job done. Nate Getz, worked as the Psychologist that helped the team with the mission and their own mental health and Dominic Vail, was the rookie of the team.
After spending months tracking down his target, Tony is left with the blood of an NCIS agent on his hands and it's up to Gibbs to help him put the pieces of the puzzle together.
In the eighth-season finale, the team members are in grave danger when they finally confront the Port-to-Port killer
After receiving new evidence revealing the Port-to-Port killer has infiltrated the agency, the team races to track him down.
Tony's former partner is murdered by the Port-to-Port Killer, prompting Tony to recall his early days in and the first time he met Gibbs
A Navy lieutenant's murder is caught on tape by a Pentagon security camera; Gibbs reveals that Agent Barrett and her team will take over a case involving a serial killer.
Special Agent Barrett investigates a death she believes is connected to a series of murders; Ziva introduces her boyfriend to the team.
A navy commander's murder leads the team to a mysterious manuscript and a possible threat to classified military secrets.
Gibbs is suspicious when Vance asks him to interrogate a teenage boy accused of killing his retired Marine father.
The brutal murder of a former investigative assistant is connected to a crew planning to rob a woman's warehouse; a new special agent (Sarah Jane Morris) arrives at the office.
The NCIS team has to find a ruthless murderer after the dismembered fingertips and teeth of a murdered Marine are found in a pickpocketer’s stolen purse
After a suicide bomber tries to assassinate the Belgravian Defense Minister, the team must protect his daughter, who is studying in the U.S.; Gibbs looks into the death of a Marine who was killed in the bombing.
While investigating a naval commander's death, the team undergoes required psych evaluations.
The NCIS team springs into action to find the assailant responsible for beating a Marine to death in his own backyard
Dr. Mallard's predecessor, Dr. Magnus, joins the team to help solve a murder at a college fair.
The team partners with a Coast Guard Investigative Service agent to solve the murder of a Marine on a dinner boat.
A Naval petty officer and sole witness in an upcoming murder trial disappears.
The team must protect Ziva's father when his attendance at a convention leads to surprises.
Dinozzo's father (Robert Wagner) returns and plays an important role in a murder investigation.
bby becomes fixated on solving a murder; DiNozzo's latest fling leads to an interesting Halloween.
The team uncovers a sinister plan when a controversial DJ and a naval officer are shot to death.
The team investigates a bomb tech's guarded personal life after she is attacked.
Summary: A girl's kidnapping turns into something bigger when her grandfather complicates the investigation.
Summary: Gibbs must take desperate measures to protect his loved ones with Paloma Reynosa still on the loose.
Summary: Gibbs heads to Mexico to face his demons and make a startling decision.
Summary: When a colleague's murder sends shockwaves through the team, Gibbs uncovers a surprising link to the crime.
Summary: The team tries to track down a serial killer, while Abby heads south of the border to give a speech with McGee in tow.
Summary: DiNozzo finds himself increasingly captivated by a woman he's never met while investigating the murder of her brother.
Summary: When an NCIS polygraph specialist's night job takes a dangerous turn, Gibbs, Fornell and the team have to uncover the truth.
Summary: Gibbs ask Holly Snow to help them to investigate a murder in the world of professional call girls, what will cause troubles to the Team.
Summary: The team and Coast Guard Investigative Services join forces when a Navy diver seeking sunken treasure is murdered.
Summary: Gibbs and the team investigate the shooting of a Marine and uncovers more to his life than anyone would have ever imagined.
Summary: Secrets arise when Gibbs former mother-in-law surfaces as a witness in a murder investigation.
Summary: After one of the drivers of a shady shipping company is found dead, the NCIS team has to go on the road to take down the illegal activities along with the FBI.
Summary: The team finds themselves in a race against time when a terrorist group threatens to detonate a "dirty bomb" in the D.C. area.
Summary: While on the flight back from Paris, Tony and Ziva realize that their assignment to protect a government witness in an embezzlement case is in great danger when they learn that an assassin is located on the sam...
Summary: Gibbs is worried about Tony's ability to handle his job when Tony's father turns out to be linked to their newest investigation, an assassination attempt on a foreign prince.
Summary: While investigating a bizarre murder of a Navy pilot, the NCIS team butts heads with an attorney that has a grudge against Gibbs.
Summary: The enlisted son of a retired colonel who became a preacher is found dead, and the team believes he was the victim of a hate crime. Meanwhile, Gibbs' father (Ralph Waite) visits, and Gibbs is perplexed by his u...
Summary: When a death of a Marine leads the NCIS team to a government think thank with employed child prodigies, the team has to protect a 12-year-old child who may be the next target of the killer.
Summary: The team needs to use other resources when an attempted robbery leads to the death of a Lieutenant and the entire city suffers a major blackout.
Summary: With the team's help, Vance faces his demons while uncovering a complex relationship with a killer that puts his whole family in danger.
Summary: A murder investigation prompts Gibbs and the team to play family counselor to his former mentor, Mike Franks, in the hopes of preventing a bloody international conflict.
Summary: When a Marine known for his practical jokes is found dead on Halloween Eve, the NCIS team discovers that the victim's "good-natured" pranks may have inspired ghoulish retribution. Meanwhile, Ziva tries to adjus...
Summary: The investigation of a Marine's death on foreign soil forces Ziva to confront her past.
Summary: When a blogger that accused NCIS of a cover-up turns up dead, the NCIS team has to find out who killed him and take another look at the closed case.
Summary: Gibbs is forced to dig into the past when a murder of a Marine and his two friends turns out to be linked to his team. Meanwhile, Gibbs faces a tough challenge as he holds Ziva's fate in his hands.
Summary: With the past still left unresolved, the NCIS team must find a way to put it aside and concentrate on another investigation, but while looking for Ziva's replacement, the team comes to a stunning revelation.
Summary: After Tony's confrontation with Rivkin, the NCIS team flies to Israel for a final showdown, where they aren't exactly welcome by Ziva's father, the head of Mossad. Gibbs has to make a tough choice as the situat...
Summary: When an ICE agent is murdered after a security breach at the SecNav's residence, the NCIS team is forced to work with the FBI and the ICE in order to solve the murder. Meanwhile, Tony faces Rivkin.
Summary: In Los Angeles, Gibbs and McGee continue working with the NCIS division in order to track a terrorist cell. Agent Callen goes undercover, while a psychologist uncovers the truth about the relationship between G...
Summary: The team heads to LA to work with the team there to solve a murder investigation, which soon turns into something bigger.
Summary: Abby has to take over a top secret government mission when their scientist goes missing, but soon realizes things may not be as they seem to be, while the rest of the team worries about Abby's safety.
Summary: Gibbs has to put his personal feelings aside and work with Trent Kort who returns in order to track down a dangerous criminal.
Summary: When a kid discovers a weapon that someone was killed with, the entire family ends up under investigation, as the NCIS team has to find out who was the last one that used the weapon and who got shot with it.
Summary: The death of a boxer leads Vance to borrow the NCIS team and start investigating his death, while Gibbs digs into Vance's past.
Summary: When a fellow agent is murdered, the NCIS teams heads into the desert to locate a woman who might hold the answer to the mystery murder.
Summary: When one of Tony's old cases ends up re-opened, he switches roles with Gibbs to finally solve the crime.
Summary: The NCIS team finds themselves involved in a city gang while investigating the death of a Marine, and Gibbs must face his past once again when he finds a message at the scene of the crime.
Summary: The NCIS team investigates a bizarre murder of a sergeant whose suspicious private life might be the reason why he got killed.
Summary: Secrets from Ducky's past are revealed when he ends up stabbed at the crime scene.
Summary: The NCIS team must reveal the truth behind the murder of a jail guard which resulted in a prison riot and McGee being held captive by the inmates.
Summary: During the week of Christmas, the NCIS team is working overtime searching for a prime suspect who turns out to have been dead for 17 years.
Summary: While investigating the death of a petty officer in a car crash, the NCIS team learns of his violent secret life; underground street fighting.
Summary: The team is forced to rely on information from questionable sources while trying to stop a criminal bent on stealing government secrets.
Summary: A strange delivery in a box arrived at the Navy facilities: The delivery driver and a Navy MP officer discover it is a sailor's corpse.
Summary: A Navy bank has undergone a hold. NCIS is responsible of the investigation. One of the new recruits assigned to the fraud unit, special agent Dwayne Wilson joins the team to help.
Summary: The NCIS team is forced to investigate a crime during Halloween where a psychotic murderer leaves clues of its next victim's identity on the net.
Summary: Gibbs' hunt for the killer of a marine puts him on a collision course with an old friend.
Summary: A murder investigation takes the NCIS team back to Gibbs's hometown
Summary: When Senator Patrick Kiley seeks Gibbs' help to solve the murder of a young Naval officer, the NCIS team find themselves pushed inside the world of Washington politics.
Summary: DiNozzo's investigation into a Navy Lieutenant's apparent suicide takes a surprising and deadly turn when its seems that it might have a connection to a larger, deadly scheme.
Summary: When a petty officer is found murdered, Gibbs learns about the mysterious connection between the disbanding of his team and the case.
