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A human bone is discovered in the desert, forcing Grissom and Catherine to search miles of desert for traces of the rest of the body. Meanwhile, Warrick and Sara investigate the death of a male stripper and soon trace the death to a wedding party that may have gotten out of hand the night before the ceremony. Watch CSI online at iwatchcsi.com.

Grissom and Catherine team up when a severed leg is found that belongs to a body recovered from a lake. They suspect that the husband and the boyfriend are to blame, but who will the evidence point to? Meanwhile, Sara and Nick investigate a fraternity pledging ceremony that turned deadly.

Langston fights for his life after being stabbed by psychopath Nate Haskell, while the other CSIs attend a funeral that turns deadly Online CSI episodes can be found at iwatchcsi.com for free.

Gil Grissom, the supervisor of the graveyard shift, along with his unit, including Captain Jim Brass; Holly Gibbs, the newest investigator; Catherine Willows, a single mother and the number two CSI; and Warrick Brown, a young investigator competing with fellow CSI, Nick Stokes, for a promotion. Grissom investigates the case of a murder set up to look like a suicide, but finds it hard when he only a few pieces of evidence are found. Warrick and Catherine are assigned to the case of drunk man shot to death. Meanwhile, Nick talks to a man who picked up a woman who once drugged than robbed him.

After the Gribbs shooting, Detective Brass is reassigned to homicide, leaving Grissom as head of the CSI unit. To investigate the shooting, Grissom brings in Sara Sidel, an investigator from San Francisco, and assigns her to the case, much to the disgust of Catherine, who wanted the case for herself. Meanwhile, Grissom and Nick investigate the suicide of a man who recently won a large jackpot. Watch free CSI episodes online at iwatchcsi.com.

The team is sent to the scene when a teenager and her younger sister are the only survivors of the brutal murders of their four other family members. The team believes that the murders were bizarre cult murders, but once they stumble across a motive, the murders become increasingly disturbing. Stream all the latest CSI episodes only at iwatchcsi.com for free.

The CSI team suspects an entire family has been murdered, but cannot prove it until they find the victims’ bodies. When the blood evidence suggests only three people were killed, Nick is the only one on the CSI team that believes the fourth family member, the young daughter, is still alive. Now, it’s a race against time to find the perpetrators who may lead the CSIs to a possible survivor.

A woman winds up dead at a classy fundraiser and the CSIs are sent to investigate. The owner of the house is out of town, turning the suspicion to the couple house-sitting for the owner. Meanwhile, Warrick investigates a murder committed in a glass elevator. After some investigation, Warrick discovers that the victim had a professional hit put out on him.

After a heavy downpour in Las Vegas, a body washes up in one of the city, 's storm drains. When the team arrives to examine the body, they come across bones from another murder. Now, the team must determine the cause of death for the first body and look into the origins of the bones.

An innocent man is attacked and beaten to death by a man in a black cape. When the CSIs investigate, they find that a similar incident took place only moments earlier. The incidents continue to occur and the crew follow the trail of evidence hoping to get to the next victim before it's too late. But when Greg interrupts a beating in progress, he is forced to make a decision that will change his life forever.

Identical twins are both found murdered on the same night, leading the CSIs to investigate whether or not the two murders have a connection. Free CSI episodes at iwatchcsi.com allows you to watch CSI online for free.

A wealthy defense attorney is murdered at her son’s wedding. The case seems to be going fine until all the evidence and Nick’s car are stolen, compromising the investigation. The team assume that the car and evidence robberies are connected, but when they uncover new evidence, the team is able to piece the crime together.

Three months ago, Royce Harmon was murdered and his killer staged the scene to make it appear to be a suicide. Now another another murder has been committed, and the killers knowledge of forensics has left Grissom and his crew bewildered. Meanwhile, Warrick and Nick investigate when a man drives over a cliff in his car and is now unconscious.

When a young woman is discovered stuffed in a shopping cart under a freeway, the CSIs are called to the scene to investigate. The find that the woman's body is disfigured and starting to decompose. Her face is covered with gashes and scars, leading the team to believe that someone shoved her face into a fan. After seeing the rest of the contents of the cart: an expensive handbag, fashion magazines and a leather day planner, Grissom is lead to believe that not only did someone want her dead, but they wanted her ugly.

A human bone is discovered in the desert, forcing Grissom and Catherine to search miles of desert for traces of the rest of the body. Meanwhile, Warrick and Sara investigate the death of a male stripper and soon trace the death to a wedding party that may have gotten out of hand the night before the ceremony. iwatchcsi.com, the ultimate community to watch CSI online.

When one cult member turns up missing at a mass suicide crime scene, Grissom and his team investigate whether the small cult really committed suicide or were murdered. A middle of the night break-in at a suburban home on the edge of the Vegas desert leads the CSIs to discover an abandoned military compound being used to house a small cult. Once inside, they discover a mass suicide has taken place. However, with 11 bodies and 12 beds, Grissom surmises that the killer may be the one body missing.