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NCIS is an American TV crime-drama. NCIS stands for Naval Criminal Investigative Service, and they deal with crime involving the U.S. Navy and Marines. This police procedural is based on a team of four fictional investigators headed by Special Agent Leroy Jethro Gibbs, played by Mark Harmon. He is a former Marine sniper who joined NCIS when his wife and daughter were murdered to prevent his wife from testifying in a drug trial. He relies on his sense of people as he deals with clues and suspects to help him find the correct direction for his investigations. He also has a long list of rules that he uses to run his life and the work lives of his team. The idea of a life managed by rules was given to him by his late wife at their first meeting. His team consists of a former police officer named Anthony DiNozzo, played by Michael Weatherly, a former Mossad officer named Ziva David, played by Cote de Pablo, and the highly educated Timothy McGee, the grandson of an admiral, played by Sean Murray. The team receives assistance from an offbeat forensic scientist named Abby Sciuto, played by Pauley Perrette, long-time coroner Dr. Donald Mallard, or Ducky, played by David McCallum, and the coroner's assistant, Jimmy Palmer who is played by Brian Dietzen. The organization has had two agency directors who have involved themselves in Gibb's team in their own ways.

The current agency director is Leon Vance and is played by Rocky Carroll. He is a former agent. He was preceded by another former agent named Jenny Shepard, who is played by Lauren Holly. Before her death during an investigation, she tried to balance her position as agency leader and the remnants of her previous relationship with Gibbs. In her early years, she was an agent who worked with Gibbs and had a romantic relationship with him. On the show, she was preceded by Thomas Morrow, who left after a promotion. The team also experienced the loss of a team member when Caitlin Todd, played by Sasha Alexander, was shot to death fighting terrorists.

DiNozzo is the senior field agent. He uses his police experience as well as his good looks and charm to deal with witnesses and suspects. He is their class clown, and he tries to balance his view of life between his wealthy childhood with his widowed father and his current more mainstream standard of living. His biggest interests outside of his job are girls and movies.

Special Agent McGee uses his expertise in computers to uncover the technical tricks their suspects use. He has also used his job experiences to launch his side career as a novelist. He published a successful novel based on his team members. When his coworkers discovered his writing, he denied using them as characters, but naming his novel's lead investigator J. L. Tibbs made that impossible to believe.

Special Agent Ziva David is their newest agent, but not the newest team member. Before she joined NCIS, she was a Mossad agent in Israel. She is the daughter of an Israeli official. She joined NCIS as a liaison officer and has now become an NCIS special agent. She has an undeniable tough side, but as an agent, she is trying to find a more satisfying balance between her job and a more fulfilling personal life.

Forensic scientist Abby Sciuto is a Goth with a very tender side. She demonstrated her love of animals when she pulled out all of her formidable analyzing skills to prove a dog had not killed his owner. She is a special favorite of Gibbs, who treats her like a daughter.

Ducky is the chief medical examiner. He has held the job for many years and uses this experience to help him participate in solving crimes. Before her death, Ducky also dealt with his comically confused mother who suffered from dementia.

Every episode has the team investigating a serious crime, usually a murder. While they follow the clues and deal with the serious aspects of the crime and the people it affects, they find many ways to bring humor into their lives. Ziva, for instance, struggles to get American idioms straight.

Tuesday 8:00 PM et/pt on CBS
14 Seasons, 325 Episodes
September 23, 2003
Action & Adventure, Drama
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NCIS Full Episode Guide

  • After a Marine Sergeant is found murdered in a National Park, Gibbs and the NCIS team partner with Mounted Police Sergeant May Dawson to solve a string of related crimes in the park.

  • Torres must rely on the past after a Marine’s murder is linked to a former dirt bike gang he joined for a year-long undercover operation.

  • McGee and the team search for a hacker who infected a vice admiral’s laptop with ransomware. Also, Alex receives a “911” text from her mother.

  • The team must rely on a crotchety Vietnam War veteran to help in their investigation of the murder of a Marine who was killed at an event for the Honor Flight Network.

  • The team grants a sailor his dying wish when they re-investigate a murder case that was ruled accidental. Also, the situation hits close to home when it reminds Torres of a tragic time from his past.

  • McGee's apartment is ransacked by a robber searching for a valuable item hidden somewhere by the convicted criminal who previously owned the unit. Also, Congresswoman Flemming tries to persuade Director Vance to pursue a career in politics.

  • Bishop is on a quest for vengeance for the murder of Qasim, her late boyfriend, after Gibbs and the team find a new lead in the Chen case. Also, Torres teaches the agents the art of pickpocketing.

  • After Abby's homeland security think tank is jeopardized, she realizes she possesses a real bomb. The NCIS team discovers the leader of the group has been murdered and a theoretical terror playbook has been taken in this crossover episode with NCIS: New Orleans season 3 episode 14.

  • The murder of a Petty Officer in a small town outside D.C. prompts NCIS to once again work with "The Sherlocks," a privately funded investigative team that includes their newest member, Anthony DiNozzo, Sr.

  • While investigating a hit and run, Palmer discovers a man considering jumping off a ledge.

  • After Gibbs recognizes the brother of an "NCIS Most Wanted" suspect, he assumes his former alias and goes undercover with their infamous anti-government militia.

  • NCIS investigates after an undercover operation to apprehend a businessman who uses acts of terror to manipulate the stock market is exposed. Also, Bishop and Qasim make a discovery in the case together.

  • After the NCIS team connects the murder of a Navy captain to Ducky's deceased mother, Ducky reflects back and questions a pivotal life choice he made 37 years ago. Also, the team exchanges holiday gifts, and Gibbs spends Christmas dinner with Fornell.

  • The NCIS team investigates a series of intensifying threats against congresswoman Jenna Flemming, while Director Vance is in charge of temporary protection detail.

  • After NCIS Agent Bishop is sent to Gitmo to investigate the murder of a Navy chaplain, she questions her previous work at the NSA. Also, Bishop's brothers, John and Robert, visit for the Thanksgiving holiday and harass her co-workers to find out who she is dating.

  • Torres ignores protocol when he learns a witness in an NCIS case is wanted by U.S. Immigration and Customs Enforcement. Abby, Bishop and McGee hatch a plan to convince landlord Tony DiNozzo Sr. to sublet Tony's apartment.

  • After a kidnapped petty officer escapes her captor, NCIS investigates and makes a connection. Also, Abby knits the NCIS newbies personalized gifts.

  • When a missing MI6 Officer is linked to a murdered petty officer, Gibbs sends Quinn and Bishop to Philadelphia to work with MI6 Officer Clayton Reeves. Also, Quinn painfully recounts the NCIS case that made her leave field work.

  • Gibbs, Quinn and Palmer investigate the death of a navy lieutenant after the body is found on a destroyer during a tiger cruise, when civilian guests are allowed to spend the night on the ship.

  • The team investigates a marine sergeant’s tragic fall from a building. Meanwhile, Torres searches for a place to live.

  • The investigation of a death at a Quantico reunion reveals a bomb plot and a long-running theft ring. Also Torres and Quinn adjust to life on Gibbs’ team, including new seating arrangements in the squad room.

  • In the season opener, the NCIS team investigates a deadly car explosion in D.C. that has ties to NCIS Special Agent Nicholas "Nick" Torres, who disappeared 6 months earlier while working undercover.

  • The NCIS, FBI and MI6 teams continue their international search for a spy who's going after current and former agents. Anthony DiNozzo says goodbye to NCIS.

  • The NCIS team, the FBI and MI6, continue an international manhunt for an escaped British spy who has left one colleague on the brink of death.

  • When a 14-year-old prevents a home invasion, Gibbs becomes suspicious of the teenager. Also, Director Vance and Senior FBI Agent Fornell head to London to investigate the ongoing escaped British spy case.

  • Gibbs and Senior FBI Agent T.C. Fornell team up after two British prisoners, including a former spy, escape and arrive stateside via a shipping container. While house hunting, McGee tries to understand how DiNozzo purchased his lavish place.

  • After Tony's identity is stolen by multiple perpetrators, multiple "Special Agent DiNozzos" begin blackmailing Senators.

  • The team investigates when the wife and the mistress of a Navy Public Affairs officer accuse each other of murdering him. Also, Anthony DiNozzo, Sr. helps a homeless woman who believes he is her father.

  • Grace Confalone is back. Plus, a special performance by the MusiCorps Band, part of a music rehabilitation program for wounded veterans.

  • Doctor Cyril Taft experiences the thrill of an NCIS case after he is assigned surgical duty to Gibb's suspect and discovers key evidence. Also, Dinozzo visits Jeanne Benoit as he chases a lead involving doctors in Sudan.

  • When the Secretary of the Navy discovers her daughter has been kidnapped, NCIS and the FBI become involved, determined to bring her home. Also, McGee's childhood friend, NCIS Special Agent Valerie Page, is in town to assist the team with advance tactics training.

  • Four deep sea divers are forced to stay inside a diving chamber with a deceased body of a retired petty officer in order to decompress. The NCIS team will attempt to solve his death while the divers spend four days with the body.

  • During the investigation of the murder of a seaman who was scheduled to testify before a grand jury, the team makes a shocking discovery.

  • Abby's brother becomes the center of an investigation when the passengers and crew on a private plane are lethally poisoned. (Part Two continues on NCIS: New Orleans: Season 2, Episode 12)

  • After Ducky is attacked by a man claiming to have information about his half-brother who died decades ago, Ducky remembers his final moments with his brother.

  • In an effort to prevent further tragedy for a family, the NCIS is assigned to help a sailor battling leukemia locate a bone marrow transplant after his two Marine siblings are killed in the line of duty.

  • Desperate to prove his innocence, a petty officer volunteers to be court martialed if NCIS agrees to conduct its own investigation after his murder case is dismissed due to a mishandled warrant.

  • DiNozzo is reunited with his ex-girlfriend, Jeanne Benoit, when insurgents in Sudan attack a group of volunteer doctors, of which her husband is part of. DiNozzo and McGee travel to the crime scene and join the search for the missing doctors.

  • When a retired Navy Lieutenant Commander is murdered, Ducky is forced to reveal his membership in a secret society that solves cold cases.

  • The team investigates the death of a petty officer, which follows the M.O. of a local serial killer.

  • While visiting a pharmaceutical lab on a murder case, Abby is taken hostage by armed men who take over the building.

  • Vance teams up with Gibbs and returns to field duty when a murder case is connected to a former NCIS agent who was found guilty of stealing evidence.

  • When a Marine is murdered at Quantico after calling Gibbs to discuss a possible case, Bishop and McGee investigate and pose as a married couple to run surveillance on a Marine Lieutenant and his wife.

  • The team assists a DEA agent on a drug-running case that keeps going cold, after Gibbs agrees to do a favor for a friend.

  • In the thirteenth season premiere, Gibbs is fighting for his life aboard a Navy hospital ship after being shot. Meanwhile, DiNozzo and Joanna travel to Shanghai to try and take down the Calling.


'NCIS' Gets Sued Over a Farting Hippo Puppet

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NCIS Video Clips & Extras

A Gift From Me to You Clip (01:21) The Truth Clip (02:38) One Book, Two Covers Preview (00:21)