List of NCIS episodes

File:NCISDVDCoverSeason4.jpg

Season four DVD box set, released October 23 2007 in Region 1 format

The following is a list of episodes of the television series NCIS. The program and its characters were introduced in a two-part episode of the CBS television series JAG in April 2003. It premiered on September 23 2003 in the United States on CBS. Created by Donald Bellisario and Don McGill, NCIS follows Special Agent Leroy Jethro Gibbs (Mark Harmon) and his team as they investigate crimes involving Navy and Marine Corps personnel. The fifth season of NCIS debuted on September 25 2007 with a hiatus occurring after the eleventh episode due to the 2007–2008 Writers Guild of America strike. The strike ended on February 12 2008, and CBS is expected to air seven further episodes beginning April 8, 2008. As of May 6, 2008, 110 original episodes of NCIS have aired.

The first four seasons have been released to Region 1 DVD by Paramount Home Entertainment in the form of individual season box sets, which include behind the scenes featurettes and cast and crew commentaries. Paramount Home Entertainment has also released the first three seasons on Region 2 and Region 4 DVD formats.

Series overview

Season		Episodes	Originally aired	DVD Release
				Region 1	Region 2	Region 4
	1	23	2003-2004	June 6 2006	July 24 2006	August 10 2006
	2	23	2004-2005	November 14 2006	October 2 2006	October 12 2006
	3	24	2005-2006	April 24 2007	June 25 2007	March 15 2007
	4	24	2006-2007	October 23 2007	June 5 2008	TBA
	5	18	2007-2008	TBA	TBA	TBA

Introductory episodes

The program and its characters are introduced during the the eighth season of JAG. The JAG episodes, "Ice Queen" and "Meltdown", served as pilot episodes for the show. The character Special Agent Vivian Blackadder (Robyn Lively) does not appear in the series because producer Donald Bellisario felt that "she was a little soft for this kind of role". In October 2003, the two episodes were edited together and aired as "Navy NCIS: The Beginning".

Episode number	Title	Director	Writer(s)	Original airdate
8x20	"Ice Queen"	Donald Bellisario	Donald Bellisario & Don McGill	April 22 2003
The NCIS team is called to investigate the mysterious death of a JAG officer, Lieutenant Loren Singer, when her body is discovered by a stray arrow. Before the episode concludes, Harmon Rabb is read his rights before being declared a suspect in the investigation.
8x21	"Meltdown"	Scott Brazil	Don McGill	April 29 2003
Harmon Rabb is court-martialed for the murder of Lieutenant Singer and he does not appear to have an alibi. Meanwhile, Special Agent Leroy Jethro Gibbs tries to get information from Amad Bin Atwa, a terrorist, before there is another attack on an American ship.

Season 1: 2003-2004

Originally broadcast between September 23, 2003 and May 25, 2004, the first season deals essentially with introducing the characters and their strengths, skills and weaknesses. It also introduces the main foe for the first two seasons, Ari Haswari, two recurring characters in the form of Timothy McGee and Jimmy Palmer (as replacement for Gerald Jackson), and Caitlin "Kate" Todd as Special Agent Vivian Blackadder's replacement.

Title	Original Airdate	#
Yankee White	September 23, 2003	1 (1x01)
While on Air Force One, a Navy Commander dies, forcing an emergency landing in Wichita. The NCIS Major Case Response Team travels to Wichita to take jurisdiction over the investigation, but are eventually forced into a joint investigation with the FBI and Secret Service. Working with Special Agent Caitlin Todd of the Secret Service, the NCIS team are tasked with discovering what happened and why. Caitlin Todd resigns from the Secret Service once the investigation concludes, and is offered a job as an NCIS field agent.
Hung Out to Dry	September 30, 2003	2 (1x02)
A Marine dies during a nighttime training run. The culprit seems to be a faulty parachute, but the standard investigation reveals that the case may not be as clear as believed. As the case is upgraded to a murder investigation, Gibbs and Todd quickly find that the case isn't as straightforward as it first seemed. Meanwhile, Abby is swamped with forensic red herrings, and DiNozzo switches his reserve parachute in an attempt to trick a confession.
Seadog	October 07, 2003	3 (1x03)
When a Naval Commander is murdered during a freelance drugs deal gone sour, the media is quick to link him to the drugs trade and the evidence stacks up. Despite overwhelming evidence, Gibbs refuses to believe that a good officer could be so corrupt, and in his efforts to clear the Commander's record, uncovers a turf war between two rival drug gangs, and a scheme to knock out the national power grid. The NCIS team are aided in their investigation by the DEA, and FBI Special Agent Tobias Fornell.
The Immortals	October 14, 2003	4 (1x04)
The discovery of a drowned sailor in dress whites, with an officer's ceremonal sword and weights chained to his waist, sparks a suicide investigation. Kate refuses to believe the deceased committed suicide, as he came from a Catholic family. Abby discovers a link between the crew of the USS Foster and an MMORPG known as 'The Immortals', and searches the game for clues and evidence in order to assist Gibbs in resolving the case.
The Curse	October 28, 2003	5 (1x05)
Gibbs and the team are called in when a mummified lieutenant, believed to have absconded with one million dollars of stolen Navy funds, is found in a half-buried cargo pod. Two former shipmates of the deceased come under suspicion for both the murder and the theft. Gibbs and Tony work at investigating the murder, while Kate is charged with tracking down the missing funds.
High Seas	November 04, 2003	6 (1x06)
One of Gibbs' former team members calls for assistance when a sailor suffers a meth overdose while on leave, despite having never taken the drug. When another sailor is admitted to sickbay under the same circumstances, Tony and Kate investigate the source of the drugs within the crew, while Gibbs believes a senior officer may be doping the crew with performance enhancing drugs.
Sub Rosa	November 18, 2003	7 (1x07)
NCIS Norfolk Case Agent Timothy McGee comes across a dissolved corpse at the Norfolk Naval Base, and calls in the Major Case Response Team. As the investigation opens, it becomes apparent that the killer took steps to prevent the body from being identified. Gibbs quickly comes to believe that the motive was identity theft. Tony, Abby, and McGee are tasked with identifying the deceased, while Gibbs and Kate are sent underwater on a submarine to vet the crew and prevent a biological attack.
Minimum Security	November 25, 2003	8 (1x08)
The team heads for Cuba when a Guantanamo Bay translator is found dead with a stomach full of emeralds. NCIS Special Agent Paula Cassidy proves more than a match for Tony when he's ordered to investigate her involvement, while Gibbs and Kate try to discover where the emeralds came from, how they ended up in their translator's stomach, and prevent the assassination of an important prisoner.
Marine Down	December 16, 2003	9 (1x09)
When a dead Marine calls his wife on the day of his funeral, Gibbs begins to investigate. The case quickly becomes complicated, as the Marine's CO apparently has two physical forms, and Tony somehow manages to meet and interrogate the wife's sister in a park without leaving the office. As the investigation continues, the Marine turns up embalmed, having been killed two days after his funeral. Gibbs suspects CIA involvement, and is soon tracking a rogue operative in an attempt to rescue the deceased Marine's partner before another murder takes place.
Left for Dead	January 06, 2004	10 (1x10)
Kate bonds with an amnesiac woman after she wakes up and crawls from her grave following a murder attempt, claiming to remember that a bomb is present on a Navy ship. Gibbs and DiNozzo identify the woman as an explosives fabricator who works for a civilian contractor, charged with manufacturing and testing bomb detection devices for the Navy. When one of the woman's coworkers turns up dead, the team investigates the second murder. Meanwhile Kate attempts to help her recover from amnesia, only for the case to come to a deadly close.
Eye Spy	January 13, 2004	11 (1x11)
NCIS is called in to investigate the murder of a naval officer at Little Creek Naval Base following an anonymous tip-off. McGee manages to track the tip-off to Langley, suggesting that the CIA have been spying on the base. Gibbs and Kate follow the tip-off, coming across a witness who leads the team to several possible suspects. At first the murder seems to be tied in with the R&D work the officer was involved with, but the team soon begin to suspect a more domestic motive.
My Other Left Foot	February 03, 2004	12 (1x12)
When the leg of a Marine is discovered in a dumpster, Gibbs and the team have a recurring problem - finding the rest of him. Kate and Tony are ordered to find the Marine's place of burial and exhume the body, only to discover that the Marine to whom the leg belongs was apparently cremated years ago. With no solid leads, the team are stuck following dead leads and red herrings, until it becomes apparent that the Marine was in fact alive until recently, and another Marine was killed and falsely identified in the past. This revelation prompts the NCIS team to investigate closer to home.
One Shot, One Kill	February 10, 2004	13 (1x13)
When a Marine recruiter is killed, the NCIS team quickly discover that a highly intelligent and skilled sniper was behind the attack. Initially, the team believe the sniper had a grudge against the recruiter, but when a second attack occurs the investigation takes on a wider scope. When Gibbs notices that the sniper left a calling card at each scene, he realises that the sniper was meeting the recruiters before shooting. Hoping to lure out the killer, Gibbs drafts himself back into the USMC and takes over in the recruitment office with his "commanding officer", coordinating with DiNozzo and an FBI team.
The Good Samaritan	February 17, 2004	14 (1x14)
A local county sheriff calls in NCIS upon discovering a murdered lieutenant commander by the roadside, quickly followed by the murder of a civilian contractor two counties over. As the team struggle to find a motive or suspects for either case, another murder occurs; this time a naval aviator. Ducky points out that while the murders appear to follow the same modus operandi and seem to have been carried out by a serial killer, some elements are different, indicating that the murders were not carried out by the same individual. A DNA sample draws suspicion onto the widow of the third victim, but she has an iron-clad alibi, leaving Gibbs with a complex investigation and many loose ends to tie up.
Enigma	February 24, 2004	15 (1x15)
Fornell and Gibbs clash when it's discovered that a Marine Colonel absconded from Iraq with two million dollars, and returned to the states under an assumed name. The Colonel contacts Gibbs, and explains that he has discovered a conspiracy to siphon funds out of Iraq for use on black ops. Gibbs is drafted in to aid in bringing down the conspiracy, and meets the Colonel's partner - a lieutenant who had died in Gibbs' arms years ago. After being arrested for "pissing off the FBI", Gibbs and Fornell set out to discover the truth behind the Colonel's claims in a tense standoff.
Bête Noire	March 02, 2004	16 (1x16)
Ducky responds to an emergency call when the Israeli Embassy sends a Royal Navy officer to NCIS for autopsy, only to find a nasty surprise inside the bodybag. As Ducky, Gerald and Kate are held hostage in the autopsy lab, the director coordinates with an FBI strike team to negotiate their release. Meanwhile, Kate hesitates when presented with an opportunity to kill her captor, while Gibbs and Tony take more pro-active measures to get their co-workers out safely.
The Truth is Out There	March 16, 2004	17 (1x17)
During a rave party, the body of a Petty Officer falls through the ceiling. Preliminary investigation suggests that the Petty Officer was killed in the parking lot a hundred meters away, and was dressed after his death. Upon checking the victim's room, evidence surfaces that he may have been taking kickbacks. Gibbs suspects the victim's co-workers, and suspects their involvement in the death when their separate versions of events are too consistent. Forensic evidence links them to the scene, and they eventually confess that the death was a prank gone wrong, but Gibbs still believes that there's more to the case than meets the eye.
UnSEALed	April 06, 2004	18 (1x18)
A Navy SEAL convicted of double homicide escapes from Leavenworth, resulting in Kate and McGee being assigned to protect the son and in-laws of the escaped. During the night, the SEAL breaks into the house to see his son before fleeing, leaving Kate tied to a chair and unarmed. Profiling his behaviour, Kate theorises that he may actually be innocent, and discovered the identity of the real killer while in jail. Gibbs brings in the presiding defense and prosecution attorneys to go over the evidence, to bring the killer to justice before their fugitive does.
Dead Man Talking	April 27, 2004	19 (1x19)
Special Agent Chris Pacci is killed during the investigation of a cold case, prompting Gibbs to step in and take over the investigation. Following the trail of several million dollars, the team are lead to a woman with ties to the thief. The team take shifts conducting a stake-out on the suspect's apartment, until Tony is caught raiding the mailbox. Forced to improvise, he introduces himself as a neighbour and strikes up a conversation based on what he had heard via surveillance. This gives him a chance to get close to the suspect in order to find out more, as he goes on a successful date with her. Meanwhile, Abby makes a shocking discovery which is going to leave Tony horrified and vulnerable to an onslaught of merciless taunts and teasing from Kate.
Missing	May 04, 2004	20 (1x20)
The disappearance of a Marine draws NCIS in to investigate, and it is uncovered that several Marines from the same unit have also vanished under similar circumstances. When one of the Marines is found chained to a pipe in a small sewer room, Gibbs begins to suspect the unit CO as a serial killer. However, after Tony goes missing, the investigation takes on a more frantic pace as the team try to find him before it's too late.
Split Decision	May 11, 2004	21 (1x21)
As Ducky meets his new assistant, Gibbs takes the case of a Marine found impaled on a tree stump. The investigation uncovers the sale of decommissioned military weapons on the black market. Tony goes undercover and meets the buyer, only to stumble into an ATF operation. Working with ATF Special Agent Stone, Gibbs poses as a weapons supplier to complete the deal, only to be seriously wounded as Stone reveals herself as a corrupt agent working in the arms trade.
A Weak Link	May 18, 2004	22 (1x22)
Routine training results in the death of a lieutenant mere days before he was due to deploy on a classified operation. The death is initially dismissed as an equipment malfunction, but Abby discovers that the link attaching the lieutenant to his rappelling rope was made of a weaker material than factory standard, suggesting sabotage and therefore murder. Pressure is applied by the CIA for the investigation to be wrapped up within 38 hours. As the case goes on, Gibbs discovers that the lieutenant had a secret, one indicates suicide as a possibility.
Reveille	May 25, 2004	23 (1x23)
As Gibbs becomes more and more obsessed over tracking down the infiltrator who held Kate and Ducky hostage, the team grow more concerned about him. McGee works at identifying him with a modified FBI program, while Kate and Tony go for lunch with Ducky. As Tony leaves in pursuit of his "dream woman", Kate heads back to the office for a video conference with Paula Cassidy, only to be kidnapped and reunited with her captor, now revealed as a Hamas terrorist who is planning to shoot down Marine One - a transport helicopter carrying the American and Israeli presidents. As Gibbs grows increasingly agitated to the point of ordering McGee to place Tony under house arrest upon his return, the search for the terrorist is narrowed down by McGee and Abby calculating his exact age, and Ducky concluding that he attended medical school in Scotland. As the terrorist tries to convince Kate to identify Marine One, McGee discovers his name - Ari Haswari.

Season 2: 2004-2005

Originally broadcast between September 28, 2004 and May 24, 2005, the second season shifts away from the naval setting of the show somewhat, and includes more character development than the first season. Season 2 sees Norfolk Case Agent Timothy McGee promoted to full-time field agent, and transferring to NCIS HQ in Washington to work with the Major Case Response Team. This season also sees Ducky finally solving the meat puzzle he had been working on since Season 1.

Title	Original Airdate	#
See No Evil	September 28, 2004	24 (2x01)
When a 9-year old blind girl and her mother are kidnapped to blackmail a Navy captain to transfer $2 million in government funds, Gibbs and his team are faced with a unique challenge.
The Good Wives Club	October 05, 2004	25 (2x02)
The mummified remains of a woman are found in the abandoned compound. The team discovers that the woman was missing for several months, was wearing a wedding dress when she died, and might have been a victim of a serial killer. The search for the murderer leads them to Florida, where they start looking for another woman who mysteriously disappeared after going to work. One of the clues they have is the old manual for good wives.
Vanished	October 12, 2004	26 (2x03)
A marine helicopter is discovered in the middle of a crop circle in a rural area and the pilots are missing. Soon, NCIS discovers that only one of the pilots was on the flight, that there is a decade long feud going on in town, and that the missing pilot is out for revenge.
Lt. Jane Doe	October 19, 2004	27 (2x04)
A body of a woman in a Navy uniform is found by two sailors. Ducky links the murder to an unsolved case 10 years ago, and starts behaving strangely. A serial murderer leaves a note on the body, promising to return.
The Bone Yard	October 26, 2004	28 (2x05)
The NCIS team finds a place where the mob has been dumping bodies for a long time, and one of the victims is an undercover FBI agent. The FBI suspect a mole and arrest Fornell. Gibbs sets out to find the real mole and clear Fornell.
Terminal Leave	November 16, 2004	29 (2x06)
When an Iraq veteran is threatened by a group of terrorists, the NCIS team steps in to protect her. While trying to convince an FBI Agent to help them, the team is convinced that they've discovered the bomber. However, things might not be what they seem when another car bomb nearly kills Tony and Kate during their protection duty of the Lieutenant Commander.
Call of Silence	November 23, 2004	30 (2x07)
A former Marine, and Medal of Honor recipient who fought in World War II confesses to having murdered his buddy in battle. Gibbs does not believe this and goes on to prove his innocence.
Heart Break	November 30, 2004	31 (2x08)
A Navy Commander dies after a successful surgery. While researching the commander's past, the team finds out that he earned a lot of enemies lately and tracks down an ensign, making him the prime suspect. Soon Abby realizes that they've got the wrong man.
Forced Entry	December 07, 2004	32 (2x09)
A Marine's wife, shoots an intruder in self defense when he is about to rape her. The team finds out that the wife was leading a double life, while her husband was serving overseas. Allegedly, she has been chatting with a stranger on the net and had no idea about his true intentions. The team believes that she might have lured him to her home, not knowing that he is a serial rapist.
Chained	December 14, 2004	33 (2x10)
While on an undercover operation as an escaped prisoner who is forced to stick to a convict that owns a key to an expensive ancient Iraqi sculpture, Tony mysteriously disappears. The GPS locator that Abby planted on him doesn't work anymore and the team must find Tony, because his life is in jeopardy.
Black Water	January 11, 2005	34 (2x11)
A Navy officer's body, which was missing for 2 years, is found in a car pulled from a lake by a private investigator, who now wants to have the reward posted by the family. The disappearance turns out to be a murder when the team finds a bullet inside the car.
Doppelgänger	January 18, 2005	35 (2x12)
A telemarketer hears a murder. The team investigates with a civilian law enforcement team that looks strangely farmiliar.
The Meat Puzzle	February 08, 2005	36 (2x13)
After Ducky is kidnapped by a mysterious killer, Gibbs and the others race against time to save their friend and capture the killer.
Witness	February 15, 2005	37 (2x14)
A beautiful young MIT graduate (Danica McKellar) witnesses a sailor being strangled. She also captivates Agent McGee.
Caught on Tape	February 22, 2005	38 (2x15)
A Marine falls off a cliff, and his camera records him falling. The prime suspects are his wife and his best friend with whom he had a picnic in the camp. Gibbs finds out they had an affair behind a dead man's back and he tries to persuade one another to blame each other. In the meantime, Abby reconstructs the case using her computer skills to handle the Marine's camera.
Pop Life	March 01, 2005	39 (2x16)
A dance club bartender wakes up in bed with a dead female petty officer and claims this was not the woman he came home with, despite the fact that he was drunk at the time.
An Eye for an Eye	March 22, 2005	40 (2x17)
When a Petty Officer working in the Intelligence receives a pair of blue eyeballs in the mail, the NCIS team starts investigating the case. The sailor commits suicide during the investigation, which leads the team to one of his lecturers, who is working for the CIA in Panama.
Bikini Wax	March 29, 2005	41 (2x18)
A Virginia Beach bikini contestant drowns in a public bathroom toilet. Agent DiNozzo finds out about a juicy secret in Agent Todd's past.
Conspiracy Theory	April 12, 2005	42 (2x19)
The team investigates a suicide case, believing that the main reason of her death is a nervous breakdown, but Ducky believes that she was actually murdered. FBI Special Agent Fornell helps them in the investigation. The traces lead them to revelation that she was involved in a love triangle.
Red Cell	April 26, 2005	43 (2x20)
A marine is found murdered on the school campus, and the NCIS discovers a suspect immediately. However, they are back at zero point when they find the suspect murdered. Tim & Abby discover a trace in the e-mails, called "Red Cell," which leads them to believe that the marine must have been involved in a serious death game.
Hometown Hero	May 03, 2005	44 (2x21)
The executor of a petty officer's will discovers a skeleton in the dead man's rented storage unit. As the petty officer is up for a silver star, it's very important that NCIS determines if he was a murderer, within a 24 hour time period.
SWAK	May 10, 2005	45 (2x22)
When Tony opens a mysterious letter thinking it's for him, a small puff of white powder comes out, releasing a possible deadly virus. Kate calls for help and as a precaution, she and Tony are isolated in a bio-hazard isolation room. While McGee and Gibbs are determined to discover who sent the envelope and how to cure their friends before its too late for them, Tony's health gets worse.
Twilight	May 24, 2005	46 (2x23)
After the team is nearly killed while investigating a double murder, the FBI notifies the team that Ari Haswari has returned to the US and may be on a personal vendetta to assassinate Gibbs. The team has to pay the ultimate price by the death of a co-worker.

Season 3: 2005-2006

Originally broadcast between September 20, 2005 and May 16, 2006, the third season opens in the aftermath of Twilight, with the entire team in shock and Gibbs on a vendetta. Matters are complicated by the intervention of Gibbs' former lover and new NCIS Director Jenny Shepard, and Mossad Officer Ziva David.

Title	Original Airdate	#
Kill Ari (Part 1)	September 20, 2005	47 (3x01)
As the team attempts to deal with Kate's death, Gibbs clashes with the new NCIS director, who believes that Ari Haswari was not the one responsible for firing the bullet that killed Agent Todd. Ziva David, Ari's Mossad control officer, sides with the director, and causes problems when she arrives in the NCIS office. However, Ziva's motives for defending Ari become murky, when she communicates with him and doesn't tell anyone in the NCIS office. Ari kidnaps Ducky to divert the team's attention away from Ziva.
Kill Ari (Part 2)	September 27, 2005	48 (3x02)
Gibbs' determination to kill Ari increases after he mounts attacks against various members of the team in his sadistic game with Gibbs. Ari's control officer, Ziva David, begins to doubt Ari's innocence and agrees with Gibbs' plan to present Ari with the opportunity to kill him. It is only after the encounter between the three of them, that Gibbs discovers why Ziva was so quick to defend the murderer. The team bids a sad farewell to Kate as she is laid to rest in a military ceremony.
Mind Games	October 04, 2005	49 (3x03)
Death-row prisoner Kyle Boone is a serial killer who Gibbs arrested ten years ago; he insists that he will disclose the location of the missing bodies of his murder victims to Gibbs alone, forcing the reluctant team leader to meet with him. When Abby and McGee locate the place where the victims had been murdered, the team, assisted by Agent Cassidy, finds that the latest four victims in Boone's scrapbook had been killed in the last three years, meaning Boone has an accomplice. When Agent Cassidy goes missing, the team are forced into a desperate race against time to prevent her from becoming victim number five of the copycat killer.
Silver War	October 11, 2005	50 (3x04)
A deceased Marine is found encased in a Civil-War era tomb at the Smithsonian museum. Ziva David joins NCIS as a liaison officer for Mossad and is assigned by the new director of NCIS to Gibbs's team without his consent. She is forced to prove her worth to the team as they track down the people responsible for the officer's death, which is linked to a Civil War treasure. When Ducky and Ziva are placed in a difficult position, Ziva shows her value by saving both their lives.
Switch	October 18, 2005	51 (3x05)
The team is called to investigate the murder of a petty officer who was gunned down while driving on a freeway. While visiting the officer's commander to inform him of the officer's death, the team discovers that another man claims to be the petty officer and that his identity may have been stolen. Secrets in both men's lives are revealed, but it is shrewd observations by Abby that end up solving the case.
The Voyeur's Web	October 25, 2005	52 (3x06)
Jamie Carr, a Marine Sergeant's wife, is thought to have been abducted until Gibbs and his team found evidence to suggest that she may have been murdered live on the internet. Carr and her neighbour, Leanne Roberts, had been making money by running a live internet sex site while their husbands were deployed abroad. Roberts' body is later found but the team is still unable to find any trace of Carr. With the help of her new assistant, Charles Sterling, Abby determines that the video of Jamie might not be all it seems.
Honor Code	November 01, 2005	53 (3x07)
Gibbs befriends a young boy after his father, a Lt. Commander, is kidnapped. The Lt. Commander had been working on a classified project named Honour and is the only person who has the code keys to the project. The release of the code keys can pose a serious threat to national security. Although the evidence gathered by Gibb's team suggests that the Lt. Commander was a part of the scheme, Gibbs believes otherwise due to the strong bond between the Lt. Commander and his son.
Under Covers	November 08, 2005	54 (3x08)
When it is discovered that two married assassins, who were fatally wounded in a car crash, were planning an assassination at the United States Marine Corps Birthday Ball, Gibbs sends Ziva and Tony to pose as the married assassins in order to find out who the couple had planned to assassinate and who had hired them. After the team finds out that the couple were expecting a baby and may have been planning to retire, they realize that the assassination plot could have been a set-up and that the married assassins were potentially the real targets.
Frame-Up	November 22, 2005	55 (3x09)
A pair of legs are found on a marine base, and the team is dumbfounded when every piece of evidence in a murder points towards Tony as the prime suspect. In an effort to help their colleague, the team compiles a list of people who may have grudges against Tony, providing them with a long list of suspects. Abby is upset that she may have incriminated Tony through the forensic evidence she provided and refuses to give up until she has proved his innocence.
Probie	November 29, 2005	56 (3x10)
While the team is on protective detail, McGee spots an argument taking place in an alleyway. He shoots one of the men, who he believed was aiming a gun at him. The deceased turns out to be a D.C. Metro police detective. When the team is unable to find any weapon or bullets left behind by anyone other than McGee, it appears that McGee may have made a probie mistake. McGee begins to doubt himself but Gibbs is suspicious of the detective's meeting, which took place that night. After speaking to the deceased's partner, the team realises that McGee's story may be more accurate than any of them thought.
Model Behavior	December 13, 2005	57 (3x11)
A supermodel is found dead after having overdosed on phencyclidine at a Marine base, where the reality TV show she was participating in was being filmed. Her ex-boyfriend is also found dead in a motel nearby having overdosed on heroin, leading the team to believe that their deaths may have been related to their relationship. However, when it is discovered that the marine officer in charge of the TV show was romantically linked to the dead supermodel, the team look closer at the others involved in the show. When the marine boyfriend begins to overdose on the same thing that killed his girlfriend, it appears that someone may have disapproved of the relationship, going to extreme lengths to end it.
Boxed In	January 10, 2006	58 (3x12)
While investigating a naval stockyard for illegal weapons, Tony and Ziva are ambushed and forced to take cover in a container, where they subsequently become locked in. Gibbs, McGee and Abby attempt to search for them with the help of the port security office. Meanwhile, Tony and Ziva discover that the crates of DVD movies inside the container served as a cover for the hidden crates, which contain millions of dollars of counterfeit money.
Deception	January 17, 2006	59 (3x13)
A Navy Lt. Commander, who was in charge of a shipment of nuclear weapons, is thought to have been abducted leading to Gibbs and his team being called in on a Sunday to investigate. The team discovers that the Lt. Commander had had a meeting earlier in the day at a shopping centre and that she did volunteer work at an organization which combats online paedophilia, meaning that her abductor may not have been a terrorist but a paedophile she was tracking.
Light Sleeper	January 24, 2006	60 (3x14)
When the Korean wives of two Marines are murdered, Gibbs and his team are sent in to investigate. Since signs of domestic abuse were evident at the crime scene, they suspect that the killer is one of the women's husbands. The sudden disappearance of Yoon Dawson, a friend of the two victims, makes her husband a suspect in the case. However, the team soon discovers that Yoon is not all she seems, and that her and her two dead friends might have been in America for reasons other than having Marine husbands.
Head Case	February 07, 2006	61 (3x15)
While conducting a raid on an automotive chop shop run by Marines, the team finds a severed head in one of the cars. The head belonged to a Navy captain, who was thought to have been cremated. Their investigation leads them to the discovery of a scheme involving the illegal sale of human body parts, which came from stolen bodies.
Family Secrets	February 28, 2006	62 (3x16)
An ambulance explodes and completely disintegrates the body of William Danforth, a deceased Marine it was carrying. A DNA analysis performed on a piece of body tissue informs the team that the body does not belong to Danforth. The team suspects Danforth's best friend, who was a bomb expert, help Danforth fake his death in order to leave the Marine Corp. When Danforth is discovered to have been a recipient of a donor organ, the team realizes that the body may in fact be Danforth's after all, and they are forced to examine reasons as to why someone may have wanted to disguise that the body was his.
Ravenous	March 07, 2006	63 (3x17)
A Marine is suspected to have been eaten by a bear after a group of teenagers found his dog tags in bear faeces in a national forest. However, autopsy reveals that the Marine was killed by a blade before his corpse was eaten by a bear. Evidence also shows that he was camping with a woman, who is now missing. The team's search for the woman and the Marine's killer leads them to a realization that their case may be linked to several women of similar appearances who have been found dead in the national forest. The team realises that locals may know more than they have been telling.
Bait	March 14, 2006	64 (3x18)
The teenage son of a Marine major holds his classmates hostage inside a classroom by threatening them with a bomb strapped to his chest. Gibbs and his team arrive on scene but are unable to get audio and video of the situation inside the classroom, thus, Gibbs puts himself in danger by offering himself as a hostage. While Tony takes charge of the team, the boy demands that his mother be brought to the classroom by sunset but the team discovers that she has been dead for a year. Gibbs suspects that the boy is not acting alone.
Iced	April 04, 2006	65 (3x19)
NCIS is called to investigate a dead Marine First Sergeant found in a frozen lake. The discovery of three more dead men in the lake leads Gibbs to the underworld of an international street gang, which may threaten the safety of the team. The team finds a link between the dead men and a one-year-old case concerning the accidental shooting of a Marine by the gang.
Untouchable	April 18, 2006	66 (3x20)
Due to suspicions of a mole working inside the Pentagon, Tony and Ziva are charged with interviewing members of the Pentagon's cryptography department. When one of their interviewees is found dead in her home, the team investigates her apparent suicide. While the cryptography department is immediately locked down, Abby proves using forensic science that a second person was in the room when the gun was fired.
Bloodbath	April 25, 2006	67 (3x21)
After a room at a Navy lodging facility is found to have blood and fragments of flesh scattered throughout, the team is called to investigate. However, evidence suggests that it was a set-up crime scene. Meanwhile, Abby returns from court after giving a testimony and is attacked in her lab by the evidence the team retrieved. Gibbs puts Abby into protective custody with the team while they look for the person targeting Abby, including her stalker.
Jeopardy	May 02, 2006	68 (3x22)
NCIS investigates the death of a suspect who was in Ziva's custody, but the investigation turns critical when the dead man's brother kidnaps Director Shepard and threatens to kill her unless the seized evidence and his brother are returned. While Ducky works to find the man's cause of death, the team desperately searches for their director.
Hiatus (Part 1)	May 09, 2006	69 (3x23)
A bomb explodes as Gibbs contacts an undercover government agent on a suspicious foreign ship, killing the agent and placing Gibbs in a coma, in which he has flashbacks of the murder of his wife and daughter many years earlier, and his wounding in Desert Storm. Meanwhile, Tony becomes the temporary head of the investigation team as the group attempts to track down Pinpin Pula, a missing crew member of the ship, suspected to be an Abu Sayyaf member.
Hiatus (Part 2)	May 16, 2006	70 (3x24)
Shepard contacts Gibbs' NCIS mentor and partner, Mike Franks, in the hopes of helping an amnesiac Gibbs regain his memory as only he knows the details to an impending terrorist attack. Ziva, who had appeared nonchalant about Gibbs' situation, visits Gibbs in a desperate and emotional attempt to revive his memory by telling him about their shared connection with Ari.

Season 4: 2006-2007

The fourth season of NCIS was originally broadcast between September 19, 2006 and May 22, 2007. Special Agent Gibbs left NCIS at the end of season 3 after a terrorist attack has been successful because his superiors did not heed his warnings. The team is now led by DiNozzo for a short time until Gibbs' eventual return. New characters introduced in this season are Michelle Lee, who was briefly on DiNozzo's team and was transferred to the legal department upon Gibbs' return and (already in the final episodes of season 3) Gibbs' former mentor Mike Franks, both as recurring characters. Also, albeit later in the season, Hollis Mann is introduced as another love interest for Gibbs.

Title	Original Airdate	#
Shalom	September 19, 2006	71 (4x01)
After witnessing a Mossad agent perform an assassination, which was not authorized by Mossad, Ziva is suspected by the FBI to be a double agent. Now a fugitive, Ziva is forced to ask for Gibbs' help, who is in Mexico after retiring from NCIS. Tony's leadership skills are tested as he leads the team to search for Ziva and to prove her innocence.
Escaped	September 26, 2006	72 (4x02)
A former Petty Officer, convicted of murder, escapes from prison and forces F.B.I. Special Agent Fornell to reopen his case in order to find the real culprit whilst claiming his own innocence. Fornell asks for Gibbs' help, who is reinstated as an NCIS agent by Director Shepard. To his former team's disappointment, Gibbs insists that the reinstatement is only temporary. The team soon find discrepancies in the Petty Officer's case and that he may have been framed.
Singled Out	October 3, 2006	73 (4x03)
Gibbs returns to NCIS and leads his team to investigate the kidnapping of a Navy Lieutenant, who is a computer specialist. They discover that the Lieutenant had used her military knowledge to profile potential husbands and was attending speed dating events. When they suspect that the kidnapper may continue attending the event in order to avoid suspicion, Ziva goes undercover to identify him.
Faking It	October 10, 2006	74 (4x04)
A Petty Officer is found dead in his car with "NCIS" written in blood on the seat. The investigation becomes complicated when Homeland Security claims that the Russian Spy suspected of killing the officer is working for them.
Dead and Unburied	October 17, 2006	75 (4x05)
When a missing Lance Corporal is found dead in a vacant house, the NCIS team discovers that he was buried in the backyard and then exhumed. They learn about his identity and that he was to be deployed to Iraq, but he never showed up for duty. The investigation leads them to a new clue---he had two fiancées. Abby runs the DNA samples from the two women to find out if the DNA is a match to the soil found on the dead man's body.
Witch Hunt	October 31, 2006	76 (4x06)
It's Halloween and the NCIS team is busy investigating a ransom case. A Marine's daughter has been kidnapped after the kidnapper attacked a Marine in his home. The investigation leads them to a fact that the couple has been separated. They decide to focus on the wife's ex-boyfriend, after learning that the woman is the one who destroyed their marriage. Meanwhile, McGee and Tony are stunned by Abby's Halloween costume.
Sandblast	November 7, 2006	77 (4x07)
When a Marine Colonel dies in an explosion at a military golf course, the NCIS team must investigate a suspected terrorist attack with the help from the Army Criminal Investigative Division (CID). The CIA gives them a lead to an abandoned warehouse, but it turns out to be a trap---the warehouse is set to explode. McGee uses his computer skills to break into the secret government files to uncover the terrorist cell.
Once a Hero	November 14, 2006	78 (4x08)
When an honored Marine veteran is found dead in a hotel, the NCIS team must find out what happened to him. Soon they realize that the Marine didn't commit suicide and that he was a homeless man. After going through his stuff, they find compromising evidence against him, and Gibbs is determined to prove the man's innocence.
Twisted Sister	November 21, 2006	79 (4x09)
McGee breaks the rules, risking his NCIS job, to help his sister Sarah, who shows up disoriented and bloodied. While he works on figuring out what happened to his sister, the NCIS team is investigating a case of a Navy sailor, who is somehow connected to McGee's sister. Both Tony and Abby are busy with love problems, while McGee turns out to have another secret.
Smoked	November 28, 2006	80 (4x10)
A dead marine in a chimney chute leads the team to discover a serial killers burial ground. They believe that the dead marine was the serial killer until Abby uncovers something which proves he may actually be a victim. Meanwhile, Tony helps the director with a special project and makes time for his girlfriend as well. And Ducky talks to Gibbs about how he felt betrayed when Gibbs left.
Driven	December 12, 2006	81 (4x11)
A woman is found dead in a classified robotic vehicle she was working on developing. Although it initially looks like suicide, when Abby puts the vehicle through some tests, it nearly takes her life as well. They discover that someone rigged the vehicle to kill the passenger and make it appear to be suicide. They discover that the woman who was killed was not the intended target. Meanwhile, Tony visits the hospital to see his girlfriend and continues working on special projects for the Director. Ziva notices Tony getting calls from the hospital and begins worrying that he is sick.
Suspicion	January 16, 2007	82 (4x12)
When a Marine is murdered in a small town hotel room, NCIS is called in to investigate. However, the local Sheriff's department already cleaned up the crime scene and performed an autopsy. They also have a suspect - an Iraqi national who just moved to town a few months earlier.
Sharif Returns	January 23, 2007	83 (4x13)
When the NCIS team learns that the missing 10 kilograms of highly toxic chemical weapons are now in the hands of Mamoun Sharif, a wanted terrorist, they will have to find a way to find the man and stop him before it's too late with the aid from Army Lt. Col. Hollis Mann and constant phone calls from Sharif himself.
Blowback	February 6, 2007	84 (4x14)
After catching an international arms dealer, the NCIS team learns that Navy's highly classified weapons system will be sold to "La Grenouille," an important arms dealer. To stop the transaction, the team will send Ducky undercover. Meanwhile, another government agency appears to be working on the same case, with different plans.
Friends and Lovers	February 13, 2007	85 (4x15)
A man proposing to his girlfriend finds the body of a sailor. NCIS works with local officers believing that the man died of an unintentional drug overdose. However, Abby discovers a message written in blood on a laminated card found at the crime scene. Meanwhile, Jimmy continues his relationship with Agent Michelle Lee.
Dead Man Walking	February 20, 2007	86 (4x16)
A Navy Lieutenant arrives at NCIS with radiation poisoning requesting that the team investigate his murder. The Navy Lieutenant is an inspector for the International Atomic Energy Agency, so the team tries to figure out who would want to make sure he didn't make it to the next inspection. However, only his two closest colleagues knew where the next inspection was to take place. Meanwhile, Ziva sympathizes with the lieutenant, in whom she sees a reflection of her own most strongly held beliefs.
Skeletons	February 27, 2007	87 (4x17)
An explosion at a military cemetery mausoleum turns up a skeleton. As they investigate, Ducky discovers that they have turned up the skeleton of more than one body. The team talks to the families to try to find some link between the victims. Meanwhile, Abby is having personal problems.
Iceman	March 20, 2007	88 (4x18)
When the man on Ducky's table turns out to still be alive the unit must track the young marine's actions prior to his arrival in the morgue. They discover that the marine had been on leave and used his time off for a secret trip to Baghdad. The case takes a turn when Gibbs' old commanding officer shows up revealing that the young marine is his son.
Grace Period	April 3, 2007	89 (4x19)
An NCIS team, led by Paula Cassidy, discovers a tip about terrorist activity but it turns out to be a trap, resulting in the death of two agents. Gibbs and his team are sent to investigate the deaths. While Ducky is sure that the man who Cassidy received the tip from was dead at least one day before the explosion, Cassidy insists otherwise.
Cover Story	April 10, 2007	90 (4x20)
During the murder investigation of a Petty Officer, McGee is unsettled when elements of the crime scene resemble the descriptions in his new novel, which is half-finished. The only person who had access to McGee's book, other than McGee himself, was his publisher. The killer promises two more kills and when the second body is found, McGee is pressured to determine who the killer plans to kill next.
Brothers In Arms	April 24, 2007	91 (4x21)
Director Shepard meets an informant for information on La Grenouille but the informant gets killed. Shepard is convinced the kill was ordered by La Grenouille but the team is doubting her judgement, thinking she might be on a personal revenge trip, which is further increased when he manages to lead the team into a trap, leaving the team with no clues to his whereabouts after days of investigations.
In The Dark	May 1, 2007	92 (4x22)
A blind photographer's assistant notices a dead naval officer in one of the photographs and calls NCIS. Gibbs and his team respond to the case and use the photographer's help to re-construct the crime scene through his heightened senses of hearing and scent to find out who killed the victim. Meanwhile, both Gibbs and Tony are having love troubles.
Trojan Horse	May 8, 2007	93 (4x23)
A man is found dead in a taxi headed to the NCIS headquarters but his body shows no signs of external injuries. Gibbs decides to lead the investigation into the man's death in preference to performing his duties as the Acting Director of NCIS while Jenny is in Paris attending an Interpol conference. When the team discovers that the people whose names were found on a list belonging to the dead man are all dead, Gibbs suspects that the list is a decoy used to distract them.
Angel of Death	May 22, 2007	94 (4x24)
Jenny returns from her European trip and discovers that she had an unannounced visitor at her home, who she suspects is her supposedly dead father. All NCIS agents are scheduled to take a Homeland Security polygraph test, which Gibbs found to have been arranged by the CIA. An unarmed Tony and Jeanne are held hostage in the hospital morgue by a drug dealer, who is desperate to remove his shipment of drugs from the dead body packer.

Season 5: 2007-2008

Template:Future television The fifth season premiered on September 25, 2007 and marks the retirement of Donald Bellisario. It concludes the La Grenouille storyline which ended in season 4 with a cliffhanger. The fifth season also reveals more background information about Gibbs' past before NCIS. There is a disastrous event resulting in a death of an agent.

Title	Original Airdate	#
Bury Your Dead	September 25, 2007	95 (5x01)
Directly following the events from the previous episode, Tony is still undercover as Anthony DiNardo and meets Jeanne's father, La Grenouille, who knows Tony's true identity. Director Shepard reveals to Gibbs and his team that she had given Tony an undercover mission to build a relationship with Jeanne in hopes of capturing La Grenouille. La Grenouille approaches Director Shepard for protection after deciding to quit the arms smuggling business against the CIA's wishes.
Family	October 2, 2007	96 (5x02)
A Petty Officer is thought to have died in a car accident until inconsistencies at the scene indicated that the Petty Officer was murdered and was not the driver of the crashed car. When the car's driver is later found, Ducky conducts her autopsy and discovers that she had been beaten to death and had given birth not long beforehand, leading the team to believe that the killer has taken her child.
Ex-File	October 9, 2007	97 (5x03)
Two women find a dead Marine Captain on an Army base, one of whom is his wife, the other is Gibbs' third ex-wife. As Special Agent Gibbs and Lt. Colonel Mann conduct a joint investigation between NCIS and the Army into the murder, a DIA agent is sent to overlook Abby's handling of the Captain's laptop, which contains highly classified information. Gibbs becomes uncomfortable when he is forced into a confrontation amongst his ex-wife, Colonel Mann and Director Shepard.
Identity Crisis	October 16, 2007	98 (5x04)
Ducky is angered when one of his research cadavers is revealed to have been a murder victim and was mistakenly tagged as a "John Doe" and donated to science. The deceased man is identified by the team as a career felon, who was working with the FBI to track down a man suspected of supplying people with new identities. NCIS works with the FBI to capture him and find the killer.
Leap of Faith	October 23, 2007	99 (5x05)
When a Navy Lieutenant who worked at the Pentagon as an intelligence officer attempts to commit suicide by jumping off a rooftop, NCIS is called in to consult the officer. After Gibbs is able to persuade the officer to step down from the ledge, the officer is shot dead. Each member of Gibbs' team has a different theory on the murder, one of which includes the officer being a mole.
Chimera	October 30, 2007	100 (5x06)
Gibbs' team is sent to investigate a death aboard USNS Chimera, a top-secret naval research ship sailing in the middle of the ocean. After boarding the ship, they find it abandoned except for a dead U.S. Navy scientist, who died from viral hemorrhagic fever. However, they suspect that they are not alone. Their investigation is further complicated by the Navy's reluctance to share information regarding the research which took place on Chimera. Ziva's belief in the supernatural is shown.
Requiem	November 6, 2007	101 (5x07)
When a childhood friend of Gibbs' deceased daughter approaches Gibbs for help about a stalker, the case turns into a conspiracy about stolen US supply money in Iraq which nearly gets her and Gibbs killed.
Designated Target	November 13, 2007	102 (5x08)
Gibbs and his team investigate the assassination of a Navy Admiral and meet a woman whose search for her husband, a political refugee from Africa, is related to the case. It turns out that a death squad by an African dictatorship who fear that the missing husband (who they only have a vague description of) will return to lead the opposition in the country.
Lost and Found	November 20, 2007	103 (5x09)
While a group of boy scouts are on a visit to NCIS, Abby discovers that one of the boys was reported to have been abducted in 1998, leading the team to search for his father who is running from a murder he was accused of committing in 1998. The team reopens the case and manages to find the real killer as well as the father.
Corporal Punishment	November 27, 2007	104 (5x10)
The NCIS team pays a heavy price when they try to track down a Marine who believes he is still in Iraq. After a violent confrontation, the team realizes the Marine is the subject of a secret experiment.
Tribes	January 15, 2008	105 (5x11)
The NCIS team investigates when a Muslim Marine is found dead near a mosque that is suspected by the FBI of terrorist recruitment. Their search is delayed when Ducky refuses to autopsy the Marine in deference to Marine's family's religious beliefs.
Stakeout	April 8, 2008	106 (5x12)
When a high-tech naval radar goes missing but is found again, the team stakes an abandoned warehouse to catch the thief - using the radar as bait. But the plan goes wrong and the radar is stolen - and a man is murdered nearby. In the end, the team manages to connect both cases - and reveal the truth behind the reason of the theft.
Dog Tags	April 15, 2008	107 (5x13)
When the NCIS team investigates a fatal dog mauling of a suspected drug smuggler within the K-9, Abby tries everything to prove the victim's dog's innocence to save him from being put down. The team struggles with the case, with the director threatening to end their case, when they find a new victim and finally manage to track down the drug trafficker.
Internal Affairs	April 22, 2008	108 (5x14)
The dead body of La Grenouille finally surfaces and the Washington office of NCIS is investigated by the FBI, with Jenny as the prime suspect for his murder. The team assembles discreetly at Gibbs' house and investigate for themselves and confirm that he was indeed murdered. After evidence comes to light exonerating Jenny, Jeanne reappears and blames Tony for the murder, but Trent Kort (who has since, with the blessing of the CIA, taken over La Grenouille's business) arrives and claims responsibility. At the conclusion of the episode, Gibbs tells Jenny that the story she told wasn't accurate and implies she may have in fact been involved in La Grenouille's demise.
In the Zone	April 29, 2008	109 (5x15)
When a Marine Captain is killed during a Mortar attack, it turns out that he was shot. Tony and Intel Analyst Nikki Jardine are sent to Baghdad to investigate, while the rest of the team assists by investigating stateside. The team uncovers that the man he contracted to provide soil testing hired a civilian contractor in Iraq to murder him when the captain discovers the soil sample was faked. While in Baghdad, Nikki tries to make up for a Marine mistake that lead to the death of the man who helped her brother when he was wounded.
Recoil	May 6, 2008	110 (5x16)
Ziva is working undercover to find a murder who killed five women and cut off their fingers. She leaves with the killer, when Tony finds the fifth victim and the killer, having found out about Ziva, directs her to a abandoned warehouse. Before he can kill her, she manages to get into a fight with him and then shoot him with his own gun. The team is happy with the killer dead but some things are still unclear. A partial fingerprint from his weapon finally leads to a Marine who killed his wife copying the killer. Meanwhile Ziva has an affair with one of the men suspected to be the accomplice of the killer.
About Face	May 13, 2008	111 (5x17)
Jimmy Palmer becomes the target of a mysterious killer whom only he can recognize.
Judgment Day (Parts 1 + 2)	May 20, 2008	112 (5x18)
The agents are all at risk as they search for a killer who took the life of one of their own.

References

General

• "NCIS Episodes. TVGuide.com. Retrieved March 30 2008.
• "NCIS Listings". TheFutonCritic.com. Retrieved March 30 2008.
• "NCIS Episodes". TV.com. Retrieved March 30 2008.

Specific

External links

• Official website