Every season of CSI: Crime Scene Investigation ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of CSI: Crime Scene Investigation!

Gil Grissom is the supervisor of the graveyard shift of Las Vegas' elite crime scene investigators. Holly Gribbs, fresh out of the academy, joins the team.  Jim Brass is head of the unit and is trying to scare Gribbs from CSI.  Catherine Willows, mother of a young daughter, is the number two CSI on this shift.  Warrick Brown and Nick Stokes are competing to solve their 100th case to earn a promotion to CSI 3. Grissom investigates a murder staged to look like a suicide with precious little evidence.  Warrick and Catherine take the case of a drunk who breaks into the house where he had been staying and is shot to death. Nick talks to a man who picked up a woman who drugged and robbed him.

Pilot

A man is killed after winning a fortune and then dumping his girlfriend.  So, Grissom, Nick, and newcomer to the CSI team, Sara Sidel, investigate this one.  Holly Gribbs is in the hospital and Warrick is up for suspension for leaving her at the crime scene by herself.  Holly later dies in the hospital, but Grissom doesn't suspend Warrick.

Cool Change

Grissom, Nick, and Sara search for a kidnapped woman and find more than they expected. Catherine and Warrick investigate the hit and run death of a little girl.

Crate 'n Burial

Grissom and Catherine investigate when a leg is found severed from a body in a lake.  They suspect the husband and boyfriend.  Meanwhile Sara and Nick investigate a fraternity pledging gone terribly wrong.

Pledging Mr. Johnson

Grissom and Warrick take the case of a young man who is found naked in the desert without an obvious cause of death.  Sara gets to find out why the body of a woman who was buried last week is in a dumpster.  Catherine and Nick investigate the killing of a school's dean by the school's founder.

Friends & Lovers

Catherine violates department protocol when she takes the case of a rape accusation against her ex-husband.  Warrick and Sara search for the missing bullet that will either exonerate or indict a cop for murder.  Grissom and Nick investigate when a female skeleton is found under a house buried in cement.

Who Are You?

When a teenager and her sister are the sole survivors of the gruesome murder of four members of one family in a quiet suburban neighborhood, Grissom and his entire team investigate the crime. What initially looks like a bizarre cult murder becomes more disturbing when they discover the motive behind the massacre.

Blood Drops

Royce Harmon was murdered 3 months ago in a scene staged to look like a suicide. Now another murder has taken place. Whoever the killer is he has a thorough knowledge of forensics, he purposefully has left evidence, and has baffled Grissom and his team.  Warrick and Nick investigate the case of a man who went over a cliff in his car and is now unconscious.

Anonymous

Grissom and his team investigate the death of a first class passenger on a flight to Las Vegas. The investigators are forced not only to examine the physical evidence, but also to interview all of the first class passengers to get their personal accounts of the incident.

Unfriendly Skies

Grissom and Sara investigate a bug riddled body found in the desert.  Warrick and Catherine look in to the theft of some valuable art.  Nick gets to find out why a missing woman's car is found at the bus station. Warrick is suspected of having gambled on duty.

Sex, Lies and Larvae

A woman is abducted from a supermarket. In the store, Grissom finds a bathroom stall door that claims five women have been killed.  Warrick is caught in a casino on duty and is paired with a reluctant Sara. Their case is the apparent murder and robbery of a man who is found be his brother. Nick gets pulled in by his prostitute friend who gets in a scuffle with hotel security.

I-15 Murders

A man convicted of arson and the murder of his wife and child seeks assistance from Grissom to help prove his innocence. Meanwhile, Catherine and Nick investigate the underground world of sports gambling when a teenager is murdered at close range.

Fahrenheit 932

A bomb goes off in an office building killing one and injuring many more. The chief suspect is a security guard who left minutes before the explosion and has knowledge in bomb making.  Nick helps his prostitute friend again. After giving in to his passion, she is found dead the next morning. Naturally, Nick is a suspect and to make it worse, Ecklie has the case.

Boom

When a single human bone is discovered in the desert, Grissom and Catherine must cover miles of territory to find the rest of the skeleton. And Warrick and Sarah trace the death of a male stripper to members of a wedding party who may have celebrated a little too hard the night before the nuptials.

To Halve and to Hold

At a swanky fundraiser, attended by the sheriff, a woman turns up dead in the pool.  The owner of the house is away and a young couple is housesitting. Warrick looks into an apparent professional hit in the glass elevator of one of the hotels.

Table Stakes

A woman is abducted from a mall parking garage. She's raped, beaten, shot and left for dead.  Sara collects evidence from her and grows attached to her.  Nick and Grissom analyze the crime scene.  Catherine and Warrick are given boxes of evidence from a shooting that goes to trial in four days.  The CSI who had the case has quit and they have to prove what happened.  To make Catherine's life more complicated, Eddie has taken out a second mortgage without her knowledge.

Too Tough to Die

A body is found in a pottery store in what's apparently a robbery that was interrupted. Fingerprints at the scene seem to match a twenty year old kidnapping case.  Sara and Warrick look into a case where a woman burned to death in her home. The woman was burned to an ash but only the chair she was in was burned, the rest of the house is fine. Sara believes they have a case of spontaneous combustion.

Face Lift

A couple leaving a restaurant on their anniversary are killed in the street and their car is stolen.  The crime scene is compromised when it rains shortly after the CSIs arrive.  It gets more mysterious when the car is found and it becomes a new crime scene. Catherine looks into the collapse of a city owned residence that kills three elderly women. She runs into problems with the city engineer responsible for the building.

$35K O.B.O.

The entire team investigate the abduction of the infant child of a well to do family. Suspicion immediately falls on the child's parents.

Gentle, Gentle

Two women run over a deaf man but they didn't kill him- he was already dead.  Grissom has to find out who did it and he's not getting help from the deaf man's school.  Catherine and Nick investigate an apparent mob hit that leaves five dead in a coffee shop.

Sounds of Silence

Grissom, Nick, and Warrick take the case of a jogger who was killed by a wild animal in the park. It gets complicated when they discover that the jogger had his liver removed after he was killed.  Catherine and Sara investigate the death of a six year old girl at shady carnival.

Justice is Served

On the day Grissom has to evaluate his team, a head is found in the trunk of a car. While Gil and Catherine work on the head, Sara and Nick investigate a body in the desert that's missing it's head. Warrick looks into a murder in juvenile detention in which his young friend James is the only witness.

Evaluation Day

The team is investigating the ongoing murders by a signature killer. The killer has some knowledge of forensics and has left little evidence behind. With the investigation somewhat stalled, the sheriff invites the FBI to join the case. This makes Grissom angry and it only gets worse when Sara offers to bait the killer.

Strip Strangler

Grissom and crew are called in after high roller Tony Braun, a known drug addict, is found dead in his house by a gardener.  Since drug paraphernalia is discovered near his body and it is also determined that he had recently inhaled heroin, the cause of death is at first thought to be an overdose.  But further examination of the corpse reveals that Braun had been restrained at some point with duct tape, leading Grissom to believe that the victim was forced to ingest lethal amounts of heroin and, perhaps, other drugs.

Burked

The entire CSI team investigates a disappearance at a local university. A young woman vanished, seemingly off the face of the earth.

Chaos Theory

Grissom investigates a possible suicide at a high-profile construction site. Catherine takes on a case with a teenage boy who dies while in session with his female psychologist,

Overload

When the class clown at the local high school is found murdered, the CSI team is called to investigate, while Nick and Sara respond to the crime scene of a decomposed body found in a bag.

Bully for You

Grissom, Sara and Warrick are called on to investigate an abandoned, blood-splattered apartment and Nick and Catherine must examine a dead scuba diver lodged in a tree.

Scuba Doobie-Doo

Grissom and his team investigate a murder suspect who is caught red-handed -- burying the victims -- while Catherine and Warrick take on the case of a woman found dead in a hotel spa.

Alter Boys

Grissom and Nick investigate the death of a book restorer while Catherine and Sara are called to the scene of a fatal train crash.

Caged

Grissom and Catherine investigate the apparent violent death of a woman found in a sandbox.  Warrick and Sara are called to a crime scene to investigate a shooting, which initially appears to have taken place during a robbery.

Slaves of Las Vegas

Grissom and his team investigate a casino heist during which innocent victims were shot, while Catherine and Sara are called to the scene of a murder in a remote part of the desert.

And Then There Were None

Warrick heads the investigation of the murder of a con artist who turns out to be involved with Brass' daughter, and the evidence leads Sara on a counterfeit investigation.

Ellie

When the body of Bob Fairmont, the real estate developer, is found, the team discovers that the crime scene has been tampered with and that the victim has been re-dressed.

Organ Grinder

Grissom and Sara are called to the crime scene when two murder victims are found hidden in pipes at a construction site in the middle of an alfalfa field, while Catherine and Nick investigate an ostensible hunting accident.

You've Got Male

Grissom's nemesis, serial killer Paul Millander, reappears and claims a third victim in this gripping episode. The latest slaying matches Millander's previous killings in that it recreates his father's murder.  The killer's next target was born Aug. 17, 1956...which just happens to be Grissom's birthday.

Identity Crisis

Catherine is ordered by a kidnapper to accompany a man who is to deliver $1 million in ransom to him or else he will kill the man's mistress.

The Finger

Grissom investigates the murder of a Las Vegas photographer whose remains were dumped at a nearby body farm where CSIs routinely study corpses, and his findings reveal that the man was apparently shot to death even though there are no bullet fragments in the body.

Burden of Proof

Grissom, Catherine and Sara are called in to investigate the death of a hockey player on the ice. Warrick and Nick look into the apparent drug-related death of a sax player at a casino.

Primum Non Nocere

Grissom investigates the murders of four monks who were shot point blank while chanting in a Buddhist temple; Catherine reopens a cold case in which her best friend was murdered, after the man convicted of the crime claims he's innocent shortly before he dies.

Felonious Monk

A bus carrying 23 passengers from Los Angeles to Las Vegas crashes less than 40 miles from its destination, killing nine people.  Tthe CSIs soon discover that a recent parolee was on the bus, but is now unaccounted for.

Chasing The Bus

Jane Galloway lives in fear. Her doors are triple-locked. Every shade is drawn. The bathroom window is nailed shut. An alarm system is activated. Who killed Jane, and how could the murderer have possibly entered, and left, the house?

Stalker

Grissom and Catherine investigate the stabbing death of an 80-year-old woman who lived in a run-down house full of cats; Nick and Sara comb through the remains of a car bombing that was, apparently, a murder plot gone awry.

Cats in the Cradle

Grissom and Sara investigate when a man's body, which has been doused with lye, is found buried in a park; Nick tries to determine how a hiker apparently drowned in a desert.

Anatomy of a Lye

Grissom and his crew handle their highest profile case to date when the city's former chief of detectives is slain execution-style in his house following a wild party. Missing from the residence are the chief's trophy wife and their 7-year-old daughter.  Catherine and Warrick follow the trail to Miami, and soon enlist the help of Horatio Caine.

Cross Jurisdictions

Season Finale. The CSIs investigate when the body of an unidentified young woman is discovered stuffed in an overturned shopping cart near a freeway underpass. Her horribly disfigured and partially decomposed face is a nightmare of blood, scabs and scars, as if she'd been shoved into a fan. A huge circular hole dominates her left cheek. Someone not only wanted her dead, Grissom reasons, but ""they wanted her ugly."" Adding to the mystery are the cart's other contents: an expensive handbag, fashion magazines and a leather day planner with notes written in code.

The Hunger Artist

Catherine and Nick become absorbed in the dangerous world of street racing after one of the illegal sport's hotshot drivers is found dead out in the desert at an abandoned airstrip. Back in town, Grissom and his crew probe the sudden death of a renowned poker player who suffered a violent convulsion in the middle of a high-stakes game with three others. It looks like natural causes, at first, but Grissom suspects foul play.

Revenge is Best Served Cold

Grissom and his crew are called in to investigate the death of a young woman found in the hotel room of popular actor Tom Haviland. Haviland admits that he slept with her, but denies killing her. Grissom believes otherwise, however, after finding blood evidence on the celebrity. Then things get personal when Haviland's lawyer hires Grissom's former mentor, Philip Gerard, to find mistakes in the forensic part of the case. And, unfortunately for Grissom, Gerard finds plenty of errors to exploit.

The Accused is Entitled

Grissom and Catherine investigate the murder of a wealthy couple who are discovered just outside of their glamorous Las Vegas house, which was up for sale. Meanwhile, Sara probes the death of a cheerleader who is found eviscerated on a soccer field, her organs having been ingested by her killer.

Let the Seller Beware

Grissom suspects murder, not suicide, when the body of a dwarf is found hanging from a rope high above a stage in a casino hotel where a convention of little people is being held. Across town, Catherine is attacked at a crime scene where a man was murdered during what appears to have been a home robbery.

A Little Murder

Grissom investigates when a woman vanishes while taking part in a magician's act. The female volunteer is placed inside the Amazing Zephyr's "Chamber of Doom" and the illusionist thrusts swords through the box. When it's opened, she's gone---and doesn't reappear in her seat as she's supposed to. Only traces of blood are left inside the chamber. Clues lead the CSIs to an eerie, decrepit mansion filled with secrets. Elsewhere, a rock star's death on a band bus appears to be the result of an overdose, but Catherine uncovers evidence that points to murder.

Abra-Cadaver

Fifteen years ago, Catherine helped put John Mathers on death row for the rape and murder of a coed at a nearby college. Her body was dumped in a trash bag, and two other girls found the same way were also linked to the suspect. As the episode opens, Mathers is about to be executed when he's granted a stay based on new DNA evidence. But while Catherine awaits the results of tests on hair samples found on the first victim, another girl at the same school is murdered... and discarded just like the first three - meaning the wrong man could be behind bars.

The Execution of Catherine Willows

A middleweight boxing champ dies in the ring after taking a brutal beating from his nemesis, but Grissom finds evidence that points to murder. Outside, in a nearby parking lot, Catherine works a crime scene where a Los Angeles gang member was gunned down, apparently by a rival gang. Also, Nick investigates a jewelry-store robbery.

Fight Night

Catherine called in by a pornographic-film developer to view graphic footage from a snuff movie in which a woman is brutally slain. But the clues are scant: The murderer isn't clearly seen, the cheap-looking hotel room could be almost anywhere and the film was sent to the developer anonymously. Outside of town, Grissom investigates another killing when a body, smothered with fire ants, is found stuffed inside a large toolbox. The initial findings indicate that the person died well over a year earlier.

Snuff

Distracted by an attractive passenger, an Indian taxi driver feels his cab strike something at a suburban intersection. When he gets out to check, he finds a teenage boy pinned beneath the left rear tire, apparently killed on impact. The cabbie jumps back into the taxi to call for help, but a mob of angry onlookers - all of them white - drags him out and beats him for the crime. When Grissom arrives on the scene, he discovers that the teen has been eviscerated and has stab wounds, but shows no signs of having been struck by the cab.

Blood Lust

Grissom, Warrick, and Nick investigate the case of man who apparently was murdered and pushed off a six story building. Grissom's involvement is cut short by renewed hearing problems.  Catherine looks into the murder of man outside of his regular bar.

High and Low

Grissom and Catherine investigate the grisly meat grinder murder at a slaughterhouse. Warrick and Sara look into the apparent suicide of a troubled young woman.

Recipe for Murder

Some bird watchers find a raven with a human eyeball in its beak. This eventually leads our CSIs to a divorced man and his 2 children but not much else. Warrick and Grissom look into the circumstances of David's unusual and first autopsy. This takes them to a car dealership where the man worked.

Got Murder?

Warrick investigates the drive by murder of a young girl in his old neighborhood. The girl's father is a friend and mentor of Warrick's as well.  Warrick struggles to control his emotions to the point where Grissom pulls him off of the case.  Nick tackles the murder of a computer company employee. The only supects are the three other employees in the building.

Random Acts of Violence

Catherine takes the point in the investigation of an escalating series of peeping tom incidents. The crew is racing to stop the attacker before his crimes become more serious assaults.  Meanwhile, Sara reopens the dormant case of her friend, a district attorney. The DA is facing surgery to remove a bullet she got in an attack that killed her husband three years prior.

One Hit Wonder

Grissom investigates the murder of two men that leads him to a new encounter with Lady Heather. Catherine is desperate to find out what lead to the near death of her daughter and why her ex, Eddie, disappeared.

Lady Heather's Box

A man driving with a wooden stake in his head dies in front of a casino.  Grissom and Nick work to discover the 'vampire' killer.  Warrick and Catherine hunt for the killer of a NBA star's 5 year old son.

Lucky Strike

An elderly woman crashes her car into a crowded restaurant. One of the patrons is Sara's paramedic boyfriend.  Grissom and Nick investigate the possible carbon monoxide murder of a woman in her home.

Crash and Burn

Catherine, Nick, and Sara investigate a seemingly months old body found in the mountains. Discovery of the man's identity lead the team to the world of robot wars.  Warrick and Grissom look into the case of a man found murdered in an alley. Complicating their efforts, the medical examiner ""lost"" the body for 11 days. Greg helps this case by doing some undercover work.

Precious Metal

Grissom and Catherine investigate a movie-goer who was stabbed to death; the team comes to a forensic impasse while processing a teenager who died from a gunshot wound.

A Night at the Movies

Grissom and Catherine investigate the murder of a despised comic who died onstage, apparently after drinking from a tainted bottle of water. The case grows more puzzling when a 15-year-old boy dies in a convenience store after drinking the same brand of water. Brass reopens a woman's accidental-death case after spotting the deceased's husband in a flashy new car with a trophy date on his arm.

Last Laugh

A murder aboard a luxurious 747 and the discovery of two formally attired teens in the desert confound Grissom and his crew in this absorbing episode. First, a horse trainer is found dead in the cargo bay of a private jet carrying 12 well-heeled passengers and a million-dollar show horse. Initially, it appears the victim was trampled to death, but Grissom and Catherine uncover evidence of foul play. Meanwhile, in the Hell's Gate section of Death Valley, Sara and Warrick probe the apparent suicide of a 15-year-old boy found under a bedspread. The investigation intensifies when a girl's body turns up a half-mile away.

Forever

A woman's body is discovered in a small press box at a high-school football field, apparently the victim of strangulation. The evidence leads investigators to two convicts, one of whom is still in prison. At the crime lab, an explosion destroys key evidence and leaves Greg and Sara injured.

Play with Fire

Things get personal for the CSIs in the top-rated series' third-season finale, which explores the intersection of the investigators' work and their personal lives. Three masked bandits steal a safe-deposit box from a Las Vegas bank in a daring daytime heist, during which Det. Lockwood is killed. Lockwood's death provides Grissom and his crew with added incentive to find the murderous culprits. But the case really hits home for Catherine when the evidence leads to casino owner Sam Braun, who is like a father to her. Also, Grissom's hearing gets progressively worse and he seeks out Dr. Robbins for help.

Inside the Box

Two couples meet in a bar and one of the couples is murdered. When a second couple is murdered in a similar fashion the team suspects a pair of serial killers are on the loose. The case is complicated by leaks to the press and a judge reluctant to issue a warrant. Catherine gets some troubling news about her father's murder trial.

Assume Nothing (1)

When the lead suspects in Grissom's serial killer case are murdered, Grissom suspects an inside job. Grissom and Brass are at odds when Grissom suggests it was a cop. Catherine and Sara investigate what happened to a college football fan when his bloated body is found in a bathtub.

All for Our Country (2)

Grissom and Warrick get the case of an old woman found mummified in her closet. Sarah and Nick arrive to investigate a breaking and entering to find a raped teen. These cases are not as disparate as they first seem. Catherine looks into a gun found by a boy. The gun is connected to a week old murder across town that Warrick caught.

Homebodies

During Vegas's latest Heat wave of triple digit temperatures, Gil and Catherine investigate a baby locked in a car. Warrick investigates a man dead of an apparent heat stroke in his house. Nick and Sarah investigate a woman's body found floating in the lake with a blow to the head.

Feeling the Heat

The team is introduced to the ""Furry"" side of Vegas when a man is found dead on the side of the road, dressed in a racoon suit. Elsewhere in Vegas, a gunshot victim is found in a deep-freezer, frozen solid.

Fur and Loathing

A severed head is shipped to Dr. Robbins from Jackpot, Nevada. Grissom goes to Jackpot to find the rest of the body and gets very little cooperation from the locals. Catherine gets an unexpected gift from her father.

Jackpot

Warrick's appearance at the preliminary hearing on a rape and murder case goes terribly wrong when the only piece of evidence is thrown out on a technicality. Grissom and the team have 24 hours to make the case with new evidence or the killer will go free.

Invisible Evidence

A suspect's infatuation with Catherine results in her taking over a high profile case. The case is a missing woman who aspired to be a showgirl. Sara and Nick are angered since it takes the career making case away from them.

After the Show

The sheriff is under political pressure to find who killed an air marshall with a car bomb that the sheriff witnessed. Grissom, Catherine and Nick are pressured to produce results. Warrick and Sarah try to find the murderer of the wife of a singer who headlines on the strip.

Grissom Versus the Volcano

A teenager is found murdered on a construction site. Grissom, Sarah, and Warrick follow the lead of blood on a hammer. Nick, with an assist from Catherine, tries to find how a woman was killed by a gunshot on her lawn when no one nearby had a gun.

Coming of Rage

The lone holdout on a jury is found dead in the jury room. The eleven jurors who were voting guilty and who hated the dead juror are the natural suspects. Nick reopens a four year old case when the sister of the victim comes forward with new evidence.

Eleven Angry Jurors

A woman found murdered in her home. Her resemblance to Sara causes Grissom to take a personal interest in the case and forces him to examine the decisions he has made in his life.

Butterflied

Three little CSIs (Grissom, Sara, and Nick)respond to an electrocution at a casino. The casino is hosting Japanese antiquities. The electroctution is just a ruse to steal the central piece of the exhibit. Catherine and Warrick deal with a vampire murder.

Suckers

A robbery at a grocery store results in a shootout leaving five dead. The police officer at the scene believes Grissom has a grudge against him. The entire team has to process the enormous amount of evidence at the scene.

Paper or Plastic

The whole team must investigate a crime where a husband and his porn star wife were murdered execution style.  Things get personal for Catherine when Grissom talks to her about her evaluation. Brass believes that Sara may have some type of problem.

Early Rollout

Catherine and Sara deal with the death of what at first seems to be a transvestite. Later during autopsy they find out that the make-up he seemed to be wearing was actually facepaint, he was a clown. Grissom, Nick, and Warrick deal with the death of a man in a homeless area. They found out he worked in a recovery center for drug users.

Getting Off

A mutilated female body is discovered tied to the undercarriage of a bus carrying prisoners from a women's correctional facility after a severed arm flies out from beneath the vehicle and strikes a car. Catherine leads the investigation and at first believes the woman was escaping, but the evidence increasingly points to murder. Back in town, Warrick probes the death of a gambler who was stabbed multiple times in his brother's kitchen.

A violent murder in a casino parking garage and another episode in the police interview room lead the CSIs to one shocking discovery after another. The case involves a missing woman, a long dead body and a missing child.

Bad to the Bone

Warrick, Catherine, and Nick try to determine the cause of a house fire that kills a teenage kill. The fire is in the same neighborhood as a similar arson fire. Grissom and Sara investigate a man found dead with letter tiles in his stomach. The man was a competitor in a word game tournament.

Bad Words

Grissom, Catherine and Nick investigate the death of a runner during a competition. Meanwhile Sara and Warrick investigate the death of  couple in a hotel room, initially thought to be a murder-suicide. Both cases take place during this 'cop' competition , with more than 20.000 attendants (all of them cops). This gives the investigations an interesting turn, as almost all the suspects and all dead people are cops.

Dead Ringer

A roller coaster runs off track leaving 6 people dead.  The CSI team must uncover whether this was an accident, or foul play. Warrick and Catherine try to find the killer of a 13 year old girl.

Turn of the Screws

Two men are found murdered after scamming Sam Braun's casinos. Grissom and Warrick investigate after Catherine is thrown off the case. One of the suspects is the son of a man Braun caught cheating. Nick gets the promotion that Sara coveted.

No More Bets

A casino employee is beaten and raped on her way home from work, but she survives and identifies her attacker. Unfortunately, a DNA test sets him free and Grissom must wrestle with whether evidence can ever lie. Later, Grissom comes to the rescue of a coworker who ends up on the other side of the law

Bloodlines

A wild night in Las Vegas has the CSIs simultaneously investigating four fatalities. Greg Sanders' first day in the field has him assisting Grissom's investigation of a fatal nightclub shooting. Meanwhile, Catherine probes into the death of a stripper found dead in a hotel room, while Sara and Nick look into the strange case of an "alien" body found near Area 51.

Viva Las Vegas

Heavy rains in Vegas wash up a body in the storm drains. As the team investigates, they find bones from another murder.

Down the Drain

A child is abducted. As the Amber Alert goes out, the entire team investigates in a race against time. Lindsay Willows is found hitchiking to the alarm of Catherine.

Harvest

A woman is found dead in a hotel suite with symptoms of the ebola virus. Another woman is found dead with similar symptoms. Catherine and Nick investigate. Sara and Greg with help from Grissom try to determine how a the owner of a home was killed. His home was tented for infestation.

Crow's Feet

Grissom and Sara investigate the murder of a woman after a swap party. The married couples in the neighborhood meet and switch partners. With the help of a crime scene cleaner, Nick and Warrick find there was more to their crime scene than they first thought. Catherine wants a promotion to day shift supervisor.

Swap Meet

The killer from The Execution of Catherine Willows returns with deadly results. The entire team is engaged in a race against time to stop this sadistic killer from succeeding again. Grissom is additionally distraught by the idea that this killer is smarter than he is.

What's Eating Gilbert Grissom?

Grissom is called to a murder of a 17-year-old in a casino penthouse. Sophia Curtis (Louise Lombard) joins him in his research, she normally works in the day-shift. The entire team gets involved when its discovered that a kiddnapping took place along with the murder.

Formalities

A woman who was pulled over by police is found murdered two miles up the road from the stop. It's not long before Robbins determines that the woman is, genetically speaking, not a woman.

Ch-Ch-Changes

A Las Vegas team of forensic investigators are trained to solve criminal cases by scouring the crime scene, collecting irrefutable evidence and finding the missing pieces that solve the mystery.

The Best Seasons of CSI: Crime Scene Investigation

The Best Seasons of CSI: Crime Scene Investigation

Season 7

Season 1

Season 2

Season 5

Season 4

Season 6

Season 3

Season 12

Season 9

Season 8

Season 10

Season 13

Season 14

Season 11

Season 15