The team finds three young women, all of whom appear to have been brutalized in the same way. The only witness they have is the surviving young woman, who can communicate only through blinking. Photographs found at one of the crime scenes lead the team to a couple that had sponsored one of the victims, and the boyfriend who claims he hasn't spoken to her in weeks.

Junkie Jordy Thompkins was shot dead in an alleyway, but the bullet that killed him is missing. Taylor and Hawkes soon realise that a rat may have eaten the bullet, and finding the rat leads them to a robbery that occurred earlier that day. After Robin Prescott is found raped and beaten in Central Park with only a peony leaf on her clothing, Stella and Flack have the daunting task of trying to find the man who raped her, but Prescott has no memory of the crime.

After a skeleton is found on a tour bus and turns out to be over a decade old, Mac and the team use the backpack they have found to track the belongings to a young man named Aaron Moreland, only to learn that the body they have cannot possibly belong to him. By tracing the victim's shirt, detectives are led to a youth center worker who claims not to remember the boy, but is hiding an old secret of his own.

On the very night that he wins a D.J. competition, DJ Banner is found dead in an alleyway outside the club where the contest is being run, prompting Mac and Flack to investigate not only the club but also Banner's primary competition, who was jealous that his girlfriend's voice was part of Banner's act. Stella and Danny investigate the death of fashion designer Deborah Gayle, found face-down in the pool at her apartment by her assistant, who isn't concerned by her boss's demise. An autopsy reveals that the cause of death was poisoning by tetrodotoxin, a poison found in blowfish, which leads Stella and Danny to Fuqua Sushi.

Stella and Aiden investigate after finding the body of a teenage girl in a creek. They soon realize that she was a middle-class girl attending a fancy school who was trying to make it seem like her family had more money than they did, and trace her movements to a nightclub. Mac and Danny investigate when a body is found in the tunnels without any protective gear on, and end up running into a brick wall when the Sandhogs union blocks many of their attempts to get information about the victim.

Two cases. One involves multiple homicides at a restaurant and the other starts with an amputated leg found in a dumpster.

When the charred bodies of two men who had been robbing a Chinatown bank are found, the entire team investigates the crime, which leads them to Doris, the missing infant of the bank's manager. The team realises that Joanna Cho assisted with the robbery out of fear for her daughter's life. Mac and Stella finally manage to track down the third robber, only to find him lying in a pool of blood, with a trail of bloody baby handprints leading away from the body.

Danny and Mac investigate after a briefcase belonging to Luke Sutton is found left in the NYMEX with a bloody note inside. Their investigation into Sutton's activities lead them to Nick Lawson, whom Sutton had been investigating for illegal trades, but who swears he had nothing to do with his disappearance. Stella and Flack investigate the death of Trina Rolston, a young pregnant women who fell to her death from the roof of a church. With Hawkes help, Stella realises that the body was thrown off the roof to mask the true cause of death. The detectives soon realise that their two cases are connected.

After mounted officer Valasquez is shot down in the park, Mac goes looking for the bullet that killed the officer only to learn that it is lodged in the horse's spine and cannot be removed without being fatal to the horse. The investigation leads them to a local street vendor, but stalls when the D.A. asks Mac not to do anything to risk the horse until after the woman who donated it has a chance to say goodbye. Aiden investigates the body of a young man, Lenny Starks, who was found face-down, dead in the street. Aiden traces the young man to a local pizza parlor where she faces intimidation from the bookies who use it as a gambling front.

Mac and Stella investigate the murder of a woman who was stabbed in the heart with a wooden stake. The police arrest a woman who was kneeling over the body with blood on her, but Mac isn't convinced that she committed the crime.

A young John Doe, nicknamed 'Slick', is found lying across the rails of an underground subway. At first, he appears to have died from third-rail electrocution, but an autopsy suggests that he may have met his end by other means of electrocution. Meanwhile, Leo Whitefield is found shot dead at close range in a gallery he owns, with no sign of break in or theft, and a construction worker turns up with a fatal injury to the head.

Mac, Aiden and Flack investigate when Elaine Curtis is found dead at a dog competition, a knitting needle sticking out of her chest, and no shortage of suspects ranging from judges to trainers to contestants. Stella and Danny investigate the death of bicycle messenger Michael Starling, but the crime scene may have been anywhere along his route.

The detectives investigate a murder at a grocery store that is also connected to the death of a young man with the tattoo "Tanglewood" on his back. A third case involves a woman who was killed in a hit-and-run auto accident.

The body of a young contortionist is found folded into a box on Coney Island, leading Mac and Stella to the circus where they find themselves embroiled in a real-life Romeo and Juliet story between the dead contortionist, Lukas, and a trapeze artist, Anasuya. Danny and Flack find a woman's body in a laundry chute and learn that she was actually the former sorority sister of the woman who lived in that building, and turn their suspicion to the abusive husband the woman was hiding from.

The team's investigation into the death of Hannah Bloom, who died at her own wedding, is put on hold when her father refuses to allow them to perform an autopsy until after his daughter's body is blessed by a rabbi. Danny and Mac turn their attention to the woman who trained the doves who were supposed to be released, but cannot tie her directly to Bloom, who died from formaldehyde poisoning. Stella, Flack and Aiden investigate when a hand is found deep underground, and soon realise that the dead man, Rick Amadori, chewed off his own hand. It seems like a slam dunk when the son of a man Amadori killed three years earlier confesses to the crime, but things aren't as easy as they seem.

A woman's death leads our detectives to a school for sexual fetishes such as bondage and spanking.

When young gang members murder the owner of an upscale Bronx wine store, the CSI’s must work to find evidence that ultimately ties someone to the crime. Tempers flare when the murder investigation reunites Detective Flack with his long-time mentor and friend Sergeant Gavin Moran, who was the first to arrive at the crime scene. Meanwhile, Danny and Aiden investigate the death of an influential movie producer found dead on the canopy of his Chelsea apartment building.

When the chief investigator of a controversial report documenting corruption within the NYPD is gunned down the day before his findings are published, Mac and Stella must find the killer, launching a massive search that makes every officer listed in the report a suspect. Meanwhile, Danny and Aiden investigate the murder of a gypsy cab driver.

When the body of a young woman is discovered at a laundry facility, the bed sheets she is wrapped in lead Mac and Stella back to an upscale New York hotel that houses diplomats from around the world when the United Nations is in special session. Meanwhile, Danny and Aiden investigate the death of a homeless man found dressed as a human statue. By all accounts, the prank is deemed a misdemeanor, but Danny decides to delve further and his refusal to stop the investigation puts him at odds with Mac.

When a college student is beaten, shot to death and his apartment ransacked in what appears to be a drug-related hit, the team must track down his killers. After examining the evidence in the murdered student's apartment, the team finds traces of pure, unprocessed heroin and discovers that the victim had a female roomate who is now missing. Meanwhile, Stella's aggressive interrogation tactics with a witness threaten her police badge.

A nanny is found dead near a park while Messer is in trouble when he may have shot another police officer.

The team examines the murder of an avid Boston Red Sox fan found dead with a ruptured spleen following a tough loss against New York. Danny must put his baseball skills to the test to piece together the evidence as the CSIs try to find out how and why he was murdered. Meanwhile, after testifying in a murder trial, Mac is confronted by the defendant, Quinn Sullivan, who questions the validity of the evidence. Mac is torn between trusting science or his desire to help a man facing jail time who swears he's innocent. Also, when a truck kills a barely clad woman early one morning, the team investigates why she was running through the streets and from whom.

While Mac dines at his local breakfast spot, a gunman opens fire, leaving a waitress critically injured and a man dead, and Mac having to choose whether to chase after the suspect or save the life of the young woman. Meanwhile, before the chaos, Mac was approached by a shy patron who awkwardly engaged him in conversation. After feeling that he saved her life during the shoot out, she asks him to join her for a drink and Mac must decide if he is ready to start dating after his wife's tragic death.

Stella and Danny investigate when a jewellery designer is found dead, wearing the eight million dollar bra he created, and investigate the model he had shot and her bodyguard. Aiden begins to take the rape case she has been working on a little too personally, and is determined to stop the man before he can rape again. Hawkes gets to go into the field for the first time as he assists Mac in investigating the death of a man who liked to climb skyscrapers.

Stella and Danny are heading into the world of cuddle parties: non-sexual events were adults learn to touch and hug each other. Meanwhile, Mac, Hawkes, and Flack investigate the death of a hated plastic surgeon found covered with lye with thousands of eyewitnesses during rush hour at Grand Central Station. While Mac and Stella assist Aiden in a rape case, after she breaks an evidence seal, Mac must come to terms with Aiden's action and work up the nerve to fire her.

Mac and Danny look into the mysterious death of a man torn apart by tigers at the Bronx Zoo, which leads them to both the dead man's meat packing plant as well as his mafia relatives. Hawkes and Stella are left with the case of a beautiful young debutante found dead on the carousel only hours before her coming out.

Three cases. A murder during the Feast of San Gennaro with ties to a financial services company. A body sitting upright on a Central Park bench. An apartment fire where a 10-year-old boy died of smoke inhalation.

Mac, Stella and Flack investigate the death of a young dancer who recently won the lottery, and it isn't long before they realise that her death is connected to Lindsay's investigation concerning the death of a tram driver. Danny and Hawkes look into the murder of a local fish merchant, and soon find their way to a jealous friend who was angry that their child didn't get into a prestigious school.

When a man is found murdered in an elevator, Mac, Flack, Danny and Lindsay investigate a world where very young girls enjoy sexual encounters with much older men. They're left trying to determine whether their best lead is a suspect, a witness ... or the intended victim. Stella and Hawkes investigate the death of a young man found in Central Park who died from an extreme allergic reaction and learn that he had been pretending to be someone that he wasn't.

Seconda parte del Crossover con CSI: Miami

Mac torna a New York con Horatio Caine, capo della scientifica di Miami, per seguire il serial killer Henry Darius fino a New York.

Mac and Stella investigate a murder of a host of a high stakes poker game after a player was caught cheating and kicked out of the game. While Danny and Hawkes follow the clues that'll lead them to solve the death of a weather girl.

Mac, Danny and Lindsay investigate the death of owner of a doll hospital. Stella and Hawkes look into the death of a woman with terminal cancer.

Mac and Stella work on the case of a female roller derby player. Danny and Hawkes look into the murder of one of New York's upcoming crop of writers.

Danny and Stella find innovative ways to process a crime scene while Danny is trapped in a panic room with the victim, who was the only person with the security code. As a locksmith works to cut through the titanium doors, the CSIs rush to process the evidence before the victim decays further and Danny's oxygen runs out. Meanwhile, Mac, Dr. Hawkes and Lindsay investigate the murder of an exotic dancer found dead on a klieg light

Mac, Danny, and Dr. Hawkes investigate the death of a runway model who collapsed during a fashion show. Meanwhile, Stella, Detective Flack, and Lindsay investigate a teriminally ill patient's confession to the murder of his doctor.

Danny is on his way home after a long shift and finds Randy Williams subway surfing. Mac and Lindsay arrive on the scene and begin to wonder if Randy Williams died from riding on top of the subway. His death is even more suspicious after they examine the body more closely.

Stella is invited to an art gallery where she sees several paintings done by an artist named James Golden. Stella thought she was going to Frankie's place and not to an art gallery. Outside the exhibit two people are kissing and one of them is shot in the back with an arrow.

Lindsay, Stella, and Mac are on the case of a dead ADA, who they discover, is involved in a "kill war" with water guns. Meanwhile, Danny and Hawkes investigate the murder of a young lady who had a penchant for suing restaurants and taking them for all they are worth.

After the body of a dead woman is found in a water tower the team suddenly realizes that the building may hold a bigger mystery than they expected.

A young boy witnesses the death of a museum curator but doesn't want to tell anyone about it. Danny investigates the death of an urban golfer found dead on a construction site.

The life of a transplant patient hangs in the balance as the team tries to find the hijacked plane carrying the liver.

A man dressed in a superhero costume is found dead in an alley, after saving a man being mugged. Mac, Stella, and Dr. Hawkes find his clothes in a nearby phone booth. Danny and Lindsay investigate the murder of an NFL first-round draft pick, known as "Superman."

Mac, Monroe e Hawkes indagano sull'omicidio di un giovane, e scoprono che l'omicidio è collegato al leader della banda Tanglewood Boys. Nel frattempo Bonasera e Messer indagano sull'omicidio di un banchiere, ma scopre che è collegato al caso che indaga Mac e gli altri sull'omicidio del ragazzo.

Mac e Monroe sono costretti ad interrogare una rock star Kid Rock quando, nel corso di un'indagine, si scopre che l'uomo è l'ultima persona ad aver visto vivo l'autista della sua limousine. Nel frattempo, Bonasera viene aggredita e tenuta prigioniera nel suo appartamento.

Due donne sostengono di essere entrambe la moglie di un uomo che è appena stato ucciso, il caso è occupato da Mac, Bonasera e Hawkes. Nel frattempo, Messer e Monroe indagano sulla morte di una giovane donna, ritrovata vestita da sirena nelle acque del porto.

Mac e Messer indagano sull'omicidio di un caporale dei marines, ma alcuni particolari inerenti alla morte dell'uomo sono piuttosto oscuri. Bonasera, Monroe e Hawkes indagano sulla morte di un cadavere carbonizzato in una macchina, ma Sid scopre che il corpo è quello di una donna.

Mac affronta il suo passato ed in particolar modo, nel 1983, lasciò morire un compagno marine a Beirut. Nel frattempo, la squadra cerca di prevedere la prossima mossa di un folle dinamitardo.

Mac, Bonasera, Monroe, Flack e il nuovo interesse amoroso di Mac, Peyton Driscoll indagano sull'omicidio di un venticinquenne, avvenuto dopo una proposta di matrimonio. Contemporaneamente Messer, Hawkes e la nuova arrivata, Jessica Angell, indagano sull'omicidio di una giovane benestante.

Bonasera, Messer, Monroe, Flack e Hawkes indagano sulla rapina in gioielleria commessa da tre ragazze vestite come Audrey Hepburn in Colazione da Tiffany;Intanto Mac e Angell indagano sull'omicidio della moglie di un consigliere comunale, sospettando proprio del marito.

Messer, Monroe e Flack indagano sull'omicidio di una modella e testimonial di una marca di vodka, avvenuta durante una serata per promuovere il prodotto di vodka. Intanto, Mac, Bonasera e Hawkes indagano sull'omicidio di un uomo d'affari avvenuto durante la maratona di New York

Durante la festa di una confraternita, una giovane ragazza viene ritrovata decapitata con indosso una maglietta raffigurante l'Idra a sette teste. Pochi giorni più tardi, troveranno il corpo di un buttafuori, senza occhi e con una maglietta raffigurante Argos, il guardiano di Zeus.

Messer, Monroe e Hawkes indagano sull'omicidio di una ragazza punk avvenuta in un vicolo vicino al locale dove si era appena esibita in uno spettacolo con il gruppo delle “Ragazze Suicidio”. Intanto Mac e Bonasera indagano sull'omicidio di un giocatore di basket, che era appena uscito dal tunnel della droga.

The CSIs are investigating the murder of a hotel concierge, but while doing this they hear gun shots fired across the street and find a woman clutching a gun over two dead bodies.

A young woman dies after she starts bleeding from the eyes, nose, and mouth while at a party aboard a subway train. Mac originally believes she is the victim of a biological attack. Later, it is revealed that Sheldon knew the victim. Across town, a wealthy playboy is found dead in an indoor lap pool in his penthouse suite. The investigation reveals that he was murdered and his last maid was fired two days earlier.

The next case for the CSI’s gets even tougher when a paintball player turns out to be the prime suspect and later goes missing the team also has another problem the evidence that should point to the prime suspect points to someone else.

The next case takes us back to Dr. Sheldon Hawks' past and the reasons he chose to change jobs in the medical profession. The CSI team may find it extremely difficult to find out who committed the murder of the 19-year-old woman who recently started recovering from an accident.

The team is led to a crime scene in the middle of the city involving a parachute jumper whose parachute apparently failed. And one CSI is injured when a snake is found at a crime scene.

After a bartender is murdered The CSI team must prove that Hawkes did not commit the murder. That only becomes more difficult when the team is pulled off the investigation.

The CSI team has a problem after learning the family is deaf: now they have to find a new way to catch the killer. Meanwhile, more information is given on Lindsey's horrifying past and what led her to become a CSI.

The team must find out if one team’s fun led to murder in the New York version of the Iditarod. Another case involves the death of a kidnapper in an empty apartment and where is the kidnap victim?

Can knowing a secret be a motive for murder? The CSI team must figure out if a change in gender is cause for the death of a showgirl. Also Lindsay goes back to Montana to try to put the person who committed the murder of four friends behind bars.

Reed Garret gives Mac some interesting information regarding the death of a college student. Also the rest of the team will need to be a step ahead of Ava Brandt to figure out why a security guard was murdered.

Mac may have a difficult time solving the murder of a music mogul the sister cleverly uses a lie detector test to cover up the crime. Stella wonders if she has HIV due to an accident.

Danny and Mac have to go to Noah’s Ark to find out if a broken promise leads to his murder. Stella and Sheldon investigate the death of a man dressed as a cigarette. Stella hopes to have her job after not telling Mac that she may be HIV right away.

Illusionist Luke Blade may have to defend the art of magic after an illusion is thought to have killed two people.

Back in Montana Lindsay will need to take herself back to the time when she was fourteen to help her remember the crime that killed four friends in order to help convict of the person that killed them.

At a French Revolution themed fundraiser at the UN, specifically at the French consulate, Mac, Stella and Hawkes find themselves hurdling diplomatic road blocks investigating two murders. Meanwhile, Danny and Lindsay reunite on a “blinged” out cockroach that lead to murder.

The team finds itself investigating the murders of three different people, only to discover that two of the murder victims are linked and may have been killed by the same person. One of these cases becomes personal for Mac.

Trouble begins for Mac when Clay Dobson becomes a free man due to a mistake he made. Stella learns the results of her HIV test from Adam.

Mac believes he can fight the internal affairs investigation that is about to be started against him because of what happened to Clay Dobson. Can Mac explain what happened to the suspect he was chasing and will it be good enough for him to keep his job? Also Stella could lose her job as a CSI after a cold case is somehow connected to her.

Can the team clear a tennis legend of murder? Also Mac believes that the continuing investigation into what happened with Clay Dobson is nothing but media pressure. Can friends and colleagues help save Mac Taylor’s career before it’s too late?

Dopo che Flack e i suoi hanno fermato uno dei più grossi carichi di contrabbando di droga, alcuni degli spacciatori fuggiti all'arresto entrano nel laboratorio, dove era stata portata la cocaina

As the fourth season begins the team find themselves investigating something that isn't usually on the Statue of Liberty. Can a musician's life be saved before time runs out?

Sheldon Hawkes goes under water to gather clues but could be in danger when he can't come up for air. Mac learns of something else under water.

After a series of heists in the city (one including Det. Chief Sinclair's house) one of the "super spies" involved is robbed of his life. The team works to solve the robberies and the murder, as both are obviously connected.

Is it possible to solve a murder 24 hours before it happens? Mac wonders if the suspect traveled through time to know about the murder in advance.

Mac e la sua squadra indagano sull'omicidio di una ragazza vestita da Venus, cosplay di un videogioco online, trovata con un foro di proiettile in testa.

Messer e Monroe indagano sull'omicidio di un'intera famiglia, dovuta a dei colpi di fucile, e all'appello manca solo la figlia più piccola. Invece Mac e gli altri indagano sull'omicidio di un uomo avvenuto in mezzo a un corteo di zombie.

Mac e Bonasera indagano sull'omicidio del figlio di un miliardario, grazie ad una donna arrestata da Flack e i suoi, ritrovata nel suo appartamento dopo che si è lavata via il sangue che aveva addosso. Mentre Messer, Monroe e Hawkes indagano sull'omicidio su una donna, trovata morta sui gradini di un museo.

Bonasera e Lindsay indagano sull'omicidio di una top model, folgorata durante una festa per la campagna pubblicitaria della Martini e nella sua borsetta vengono trovati dei lecca-lecca all'eroina. Invece Mac, Messer e Hawkes indagano sulla rapina in un ristorante, in cui una persona è rimasta uccisa e l'altra è rimasta ferita e Messer l'accompagna in ospedale.

Mac, Messer e Hawkes indagano sull'omicidio di un promesso sposo, avvenuto durante il ricevimento di un matrimonio, trovato come regalo di nozze.

Mentre Mac si trova a Chicago per risolvere il mistero di Mister 333, il resto della squadra indagano sull'omicidio di un macchinista trovato a bordo del suo treno nella metropolitana di NY.

Bonasera e Flack indagano sull'omicidio di un imprenditore del web, dovuto ad un'esplosione di un sigaro. Invece Messer, mentre si trova a passeggiare con il suo vicino di casa Ruben, si trova in un bel mezzo di una rapina nel quale il proprietario di un negozio di alimentari è rimasto ferito

Bonasera, Monroe e Hawkes indagano sulla strana morte di una proprietaria di un hotel, dovuta ad un arresto cardiaco causato da shock termico. Intanto Mac e Messer indagano sull'omicidio di una donna solita frequentare dei festini tenuti in asili nido, in cui un gruppo di persone si sballa con la droga tutti insieme.

Mac, Bonasera e Hawkes indagano sull'omicidio di una studentessa universitaria, avvenuta mentre stava annusando dei fiori a un mercatino, ma, mentre stanno indagando sulla scena del crimine, Flack riceve una chiamata per un altro omicidio a soli due edifici di distanza e la vittima era un giudice per la famiglia. Ma, si scopre che i due casi sono collegati.

Messer, Monroe e Angell indagano sulla morte di un corridore di slittini, finito carbonizzato sotto il camion. Mentre Mac, Bonasera, Hawkes e Flack indagano sull'omicidio di un'assistente sociale avvenuta in un bagno pubblico, e sospettano di un uomo finito in prigione.

Mac e la sua squadra si trovano in un magazzino abbandonato dove credono di aver trovato il cadavere di una vecchia conoscenza e assassino (con il nome di Suspect X), ma scoprono che la vittima è un'altra donna innocente.

Bonasera si sveglia e si accorge che l'appartamento è stato incendiato, e salva alcuni occupanti del palazzo tra cui un bambino. E quando l'incendio viene domato, trovano il cadavere di una donna.

Mac e la sua squadra indagano sull'omicidio di un'agente immobiliare, trovata nel corpo di uno squalo, ma la squadra scoprono che hanno a che fare con un serial killer dopo aver trovato la seconda vittima.

Mentre la ricerca del serial killer del taxi continua sempre di più, Messer, Lindsay e Flack indagano sull'omicidio di un uomo avvenuto durante una partita di basket

Mentre la ricerca del serial killer del taxi continua sempre di più, Messer, Lindsay e Flack indagano sull'omicidio di un uomo avvenuto durante una partita di basket.

Mac e la sua squadra indagano sull'omicidio di un tassista e si scopre che il serial killer del taxi forse non c'entrerebbe per niente.

Un uomo si barrica dentro una banca dopo aver tentato una rapina e uccide il direttore. Mac entra in banca e il resto della squadra cerca di riordinare gli indizi che Mac è in grado di fornire.

Picking up where the season 4 finale left off. The team is investigating the death of a woman named Lauren Santana whom is linked to the bank robbery. She is a friend of Flack's sister Samantha.

Also Mac has escaped the robber but the bodies are still piling up. So the team must quickly find the bank robber before he is able to get away.

A series of deaths from radiation poisoning may be related to a deadly tome in the New York library.

When a supposed air marshal is murdered on a flight to the District of Columbia, Mac searches the plane for the killer and the murder weapon.

The team investigates the puzzling death of a woman named Ann Steele. To solve the case, the team must look for a life size silicone doll. When the team runs into the factory that makes them, it prompts some amusement for some of the team.

Meanwhile, Hawkes meets up with an old college friend who later asks him to compromise some evidence in the case.

The CSI team investigates the shooting death of an archaeologist whose secret life may have caught up to him.

Three drug dealers set to stand trial are found dead in separate places. They were all trying to get rid of witnesses in their crime, but it looks like someone got them first.

The team investigates the brutal murder of a house relocator who was found dead inside a Victorian house that he was about to move from Staten Island to The Upper East Side.

In the one hundredth episode of CSI: NY Mac faces his most deadly foe yet. There is a serial killer loose in New York City killing people with the name Mac Taylor making Mac a target.

A woman is found in the trunk of a crushed car at an auto wrecking yard, the autopsy reveals that she was pregnant, the team needs to find out who she is so they can find the baby.

The team is forced to investigate two crimes at once when a mysterious energy field seems to be the cause of a billionaire's disappearance and the death of his limo driver.

Mac runs into Ella McBride who could cost him time in figuring out if Isabelle Vaughn died by eating the miracle fruit. Stella gets in trouble with Mac while investigating another murder linked to the Greek diplomat that attacked her.

Young brides-to-be fight over a killer dress at the biggest wedding gown sale of the year and one of the shoppers winds up dead. The unusual clues of this case force Dr. Hawkes to confront a painful chapter from his past.

The CSIs must piece together a human jigsaw puzzle when a beloved wrestling coach's severed body parts are found buried throughout the city. Meanwhile, Detective Flack is in the hot seat when a teenage suspect dies in his custody.

A Russian tourist is found stabbed to death and the CSIs come face to face with the frightening realities of human trafficking. Solving this case becomes personal when it directly affects a prominent member of the NYPD

When the Deputy Mayor's dead body falls from the ceiling, along with hundreds of balloons, at a charity fundraiser, Stella and her date find themselves in the middle of the crime scene and Mac goes head to head with Robert Dunbrook.

When a buzzard flying over Manhattan drops a human eyeball from its claw, the race is on to find the body it belongs to before the avian saboteur flies away with the rest of the evidence.

A lethal pipe-bomb blows a Manhattan townhouse and valuable evidence to pieces, forcing the CSIs to get creative in reconstructing the damaged clues that ultimately lead to the bomber.

When the wife of a former medical examiner is found murdered, a white powder found at the scene provides the CSIs with a major lead in tracking the killer when it is discovered that the powder is heroin made from human bodies.

When a Native American chief is shot on the subway, the CSIs struggle to translate which one of the several foreign suspects may have caused his death.

While investigating the shooting of a voice coach in an empty theater, Stella realizes that the crime scene is oddly familiar and staged.

When a man falls 20 stories to his death, and his body goes missing after it hits the ground, with no body to process, the CSI's must treat this strange development as a missing persons case.

The most exclusive jewelry auction of the year ends abruptly when an appraiser is killed during the event. The investigation takes an emotional turn when the CSIs must confront one of the greatest tragedies in human history - the Holocaust.

Mac informs an ex-con that he served time for a crime he didn't commit, and Lindsay tells Danny "it's time" for the first CSI baby to be born.

When Stella discovers that New Yorkers are being murdered over ancient Greek artifacts, she hands over her badge to follow a clue that leads to Greece and, together with Mac, she uncovers one of the greatest mysteries in history.

Jessica Angell scorta Connor Dunbrook nel tribunale dove deporrà contro il padre. Ma mentre sono a fare colazione un commando fa irruzione nel locale, sequestra Connor e ferisce Jessica. Don accorre immediatamente, Jessica viene trasportata in ospedale ma ogni tentativo è vano, muore sul tavolo operatorio. Don, disperato decide comunque di collaborare alle indagini.

Danny and Mac have yet to get any leads on a cop killing when Danny gets an impromptu call from a young woman who claims she's got information about the case...

The case of a cyber killer, who appears to be targeting medical healthcare workers, turns personal when the suspect invokes the name of Mac's father who had died nearly two decades earlier.

When two bodies are discovered at the North and South ends of the city, Mac and the team deftly begin to navigate the trail of evidence left behind by the killer.

Incriminating DNA evidence contradicts the confession of a scorned woman claiming to have brutally murdered her cheating husband.

When an unidentified shooting victim turns out to be a rising star in the underground world of hip-hop dance battles, the CSIs turn their attention to a long list of rival dancers.

When a software company executive bleeds to death on a Manhattan street, the CSIs must delve into the wet and messy world of food "sploshing" parties - where groups of people experience food in an sensual way - to find his killer.

Seconda parte del crossover

The Compass Killer is back, and adds yet another to his circle of victims -- but this time the CSI squad knows his name; Flack's alcoholism threatens to derail his career...

In the culmination of a multi-episode mystery, Mac and his team uncover the dark lair of a murderous madman, the Compass Killer. But as they race to save his fourth victim, the sunrise presents one final surprise that no one ever expected.

A frantic 911 call sends the CSIs into a vacant penthouse; however, instead of finding the caller, they unearth a nearly 100-year-old corpse and find themselves navigating their way through a booby-trapped house.

A reformed drug addict with everything to live for is found dead in an alley. The CSI's discover he was the victim of a premeditated plot.

The investigation of a brutal stabbing takes a dangerous turn when it's discovered that evidence at the crime scene was planted, which pits the CSIs against a trusted colleague.

When a beautiful star quarterback of the Lingerie Football League is found murdered in the locker room hot tub with traces of lidocaine in her system, the CSIs are called in to find out who wanted her dead.

When a young woman's body is found in Central Park, drained of blood and missing part of her ear, the CSIs jumpstart an investigation that takes them into the dark and mysterious subculture of vampirism.

Two days before a Grand Prix Race, when a racing legend dies in a car explosion on the streets of Manhattan, the CSIs discover that car tampering is the cause; however, the investigation leads viewers through the professional racing community and beyond.

The team investigates the particularly gruesome outcome of a 21st birthday where the party plans became all but anything worth celebrating. With just a few and not easy answers as their only lead in the case, the CSis are challenged to stretch their abilities to the limit.

It's St. Patrick's day, and all of New York City is ablaze with a hundred shades of green -- except for an abandoned warehouse in Brooklyn, where two corpses have left a tiny part of the city drenched in red...

When a woman linked to an unsolved murder case is found dead, the evidence and autopsy both suggest a suicide, but Stella is unconvinced and risks her life to pursue the case.

A death row inmate's final request brings Dr. Hawkes to a Pennsylvania prison and face-to-face with a tragic incident that he has kept secret for many years, just as a prison riot erupts and traps Hawkes inside.

When a slab of concrete starts bleeding in midtown, the CSIs' investigation takes them into the underground world of hardcore fighting, where men moonlight as 'weekend warriors' for the pleasure of a live viewing audience.

When Mac and Aubrey come across the scene of a 14-year-old boy who has been shot in front of his 12-year-old brother, it takes Mac's drive for justice to another level.

While Mac recuperates at home after being injured, he witnesses a mysterious briefcase exchange that leads to a murder, and unexpectedly brings him in contact with his former girlfriend, Peyton Driscoll.

The CSIs follow a trail left by Shane Casey and realize that he is targeting Danny, who is vacationing out of town with Lindsay and their daughter.

The newest member of the CSI team, Jo Danville, a former FBI agent, is welcomed to her new job by stumbling upon the body of a young woman murdered somewhere in the building that houses the NYPD Crime Lab.

When a young woman appears to be strangled while participating in a live online chat that Adam witnesses, the CSIs must determine if it was real or a hoax, and locate where the possible victim is.

When a married couple is found beaten in their home, a mother identifies her son as the killer and the CSIs believe they have their suspect, but all is not what it seems when another witness comes forward.

When the leader of a powerful New York gang, El Puño, is found murdered, the CSIs must find the killer before a street war with a rival gang breaks out. Mac asks the co-founder of El Puño, Luther Devarro, a man he put behind bars years before, for help.

A jewel heist at the penthouse of one of New York's most powerful attorneys takes a bizarre turn and the case leads the CSIs to a seemingly unrelated man in the morgue.

When a badly decomposed body found is an abandoned car on a rooftop, Mac and his team must go up against a killer who is using the parents of his victims to manipulate crime scenes.

Mac is on the hunt for a sniper who is using nitroglycerin in his bullets to explode on impact, and the prime suspect was once a missing boy from one of Mac's old cases.

As the CSIs investigate a case involving a woman who appears to have been scared to death in a supposedly haunted section of Central Park, Mac stumbles on another dead body buried nearby in the same part of the park.

When a woman's body washes up at the South Street Seaport, the CSIs unravel a dark secret from Deputy Chief Carver's past that threatens to shatter his stellar reputation and close-knit family.

Mac and the team search for the killer of a department store manager who was found dead in a holiday display window.

When a man in full clown costume shoots a bakery owner, the CSIs investigate and discover a decision from Flack's past that may put him in jeopardy.

When a Spanish club promoter is found dead, Mac must battle with the head of Barcelona's crime lab to solve the case.

When a tractor-trailer carrying exclusive party guests mysteriously ends up at the bottom of the Hudson River, the CSIs must solve the mystery from the soggy remains.

When the CSIs track down a suave and charming hitman, their investigation uncovers a conspiracy with far-reaching implications.

When a serial rapist is found murdered, restrained in the same manner as his victims, the CSIs weigh a feeling of justice against their sense of duty to pursue the killer.

When a conspiracy-obsessed woman is found dead, the CSIs investigate and discover that some of her theories may have had some truth to them.

When a popular student and star pupil at Manhattan's most elite private school is murdered, the CSIs find themselves immersed in the highly competitive world of over-privileged youth.

Jo balances personal and professional challenges when her adopted daughter, Ellie, is the key witness in a murder investigation.

While the team investigates the explosion of a gourmet food truck, Sheldon's new relationship could get him in big trouble at the lab.

The CSIs investigate a woman's death as the work of a serial killer, and Mac reconnects with his first partner after an ex-con they put away begins stalking him.

After a hail of gunfire tears through the crime lab, Mac and his ex-partner become part of a vendetta 17 years in the making.

Following a near-death experience, Mac becomes determined to close his last remaining unsolved case.

On the 10th anniversary of 9/11, Mac and the team remember specific moments from that day that were indelibly burned in their mind.

When an awkward teen is found dead, the team discovers that his efforts to win a sexy punk rock chick's heart may have gone a step too far.

When the body of a beautiful young woman is found in a stolen Ferrari, the investigation leads to a family of car thieves, but the CSIs must find the murderer before the rest of the family meets the same fate.

A night out for a friendly drink takes an unexpected turn when Danny and his rookie cops are caught up in a shooting.

The CSIs investigate when the recently paroled brother of a young basketball prodigy is implicated in a murder.

The CSIs investigate when a fraternity prank goes awry on Halloween and a pledge master is left for dead in an open grave.

When news of a high school house party goes viral, resulting in overcrowding, a collapsed porch and a teenage girl's death, the CSIs must use social media to uncover the truth about how she died. Meanwhile, Jo's final case at the FBI returns to haunt her.

As the CSIs investigate the assassination of a judge, Jo comes face-to-face with a criminal from her past.

When an important witness turns up dead, Jo is caught up in the dangerous investigation of the suspected rapist who was freed on her watch in D.C.

A charred body turns into a hot mess for the CSIs when it appears a cage fighter has been murdered by his stalker.

A home invasion investigation becomes more complicated when the victim's family turns out to be less perfect than they originally seem.

The CSIs investigate when a role-playing game turns lethal, with one player falling victim to a bona fide killer and the other kidnapped and held for ransom.

When the CSIs investigate two seemingly unrelated deaths, their separate trails of evidence lead to a surprisingly connected conclusion.

When a lab tech is murdered in a case that has eerie similarities to a 1950's cold case, the CSIs get a glimpse into what goes on in the shadows of the lab.

The CSIs find themselves immersed in the world of competitive video gaming when they discover a murder may be related to a high-stakes tournament.

A wave of brutality threatens a small New York City community when a body is found dismembered and strategically left out on four street corners.

The CSIs are called to a Brooklyn housing project to investigate the murder of a successful businessman who still felt the pull of his old neighborhood.

When Mac is shot, he finds himself in limbo between life and death and, as he fights for his life, it's up to his team to bring the shooter to justice.

The CSIs investigate when a fire chief - a friend of Mac's - is killed in a blaze that used the same technique as a recently paroled arsonist.

Il team è in lotta contro il tempo per fermare un piromane di nome Leonard Brooks che sta usando il fuoco per vendicarsi di persone del suo passato.

La squadra si reca a San Francisco alla ricerca di una sedicenne che potrebbe essere stata uccisa. Jo ha problemi ad affrontare il caso che la colpisce nel privato.

The CSIs race to catch a shooter when Lindsay is injured during the attempted murder of a political candidate, and the events in the aftermath lead to a child's death.

La squadra si sta occupando di un caso vecchio di vent'anni riguardante la scomparsa di un bambino poiché l'uomo sospettato all'epoca di aver commesso il crimine viene ritrovato assassinato. Non c'erano prove sufficienti per un'accusa nel passato, ma l'omicidio potrebbe essere una vendetta postuma da parte della famiglia.

The CSIs investigate a twisted fairy tale when a woman in a ball gown is found at the bottom of the pond outside Belvedere Castle in Central Park.

Il team sta indagando su una serie di omicidi e durante la raccolta degli indizi si scopre che il killer sta mettendo in scena le scene di un famoso gioco da tavolo.

The CSIs must delve into the high-pressure world of an elite prep schools when a student is murdered while studying for the SAT'S. Meanwhile, Lindsay returns home to Montana to visit her father and deal with some issues from her past.

Il passato del detective Lovato come agente sotto copertura viene nuovamente a galla quando uno dei membri della gang dove si era introdotta viene ritrovato brutalmente ucciso.

The CSIs investigate a 1920s-inspired speakeasy when one of its owners is murdered and $10,000 goes missing. Meanwhile, Adam spends his day off in an unexpected way.

Due uomini sono ritrovati morti ma l'unico dettaglio in comune è il metodo poco convenzionale con il quale sono stati uccisi. Intanto la squadra deve vedersela anche con una serie di assegni anonimi di cifre esorbitanti che stanno fioccando in tutta la città.

Jo e Lindsay sono alle prese con un caso difficile che riguarda l'uccisione di un agente. Durante le indagini devono fare i conti con l'enorme impatto emotivo subito dalla famiglia della vittima e allo stesso tempo devono mettere da parte i loro sentimenti personali per riuscire a chiudere il caso.

Il team indaga sulla morte di un uomo mascherato trovato ai piedi di un grattacielo, noto per essere teatro di una serie di morti misteriose.

Un pizzaiolo viene aggredito e la sua auto dirottata e il team deve scoprire qual'è il vero scopo degli aggressori.

Mac e il suo team fanno squadra con Russell per riuscire ad avere la meglio sui rapitori di Christine prima che sia troppo tardi.

La squadra si occupa di tre omicidi collegati ad altrettante storie d'amore. La condizione medica di Sid sta causando dei problemi sul lavoro, mentre si scopre che il Danny e Lindsay stanno aspettando un maschietto.

La polizia è accusata di aver ucciso un uomo disarmato e il dipartimento viene invaso da un gruppo di protestanti. Mac e Flack rimangono coinvolti nel caos della situazione mentre il resto del team cerca di risolvere il caso.