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The CSI's lives are on the line as they close in on the elusive Dr. Jekyll, and more than one member of the team may not live to see his capture Free CSI episodes at iwatchcsi.com allows you to watch CSI online for free.

The CSI team must investigate one of their own when Langston is accused by a former colleague of being part of the Dr. Jekyll murders CSI episodes can be watched online at iwatchcsi.com.

A mother thought to be grieving for the loss of her family three years ago becomes a suspect in a CSI investigation Watch this episode on watch CSI online for free.

A legendary comic from the good old days of Las Vegas is set to reunite with his partner on stage for one night only, until one half of the famous duo is found dead Stream all the latest CSI episodes only at iwatchcsi.com for free.

Catherine investigates when a student is found murdered at her daughter's school.

When Hodges and Wendy take a group of high school CSI Explorer Scouts on a field trip, they embellish their role in solving cases and take their assignment a little bit too far

The CSI's lives are on the line as they close in on the elusive Dr. Jekyll, and more than one member of the team may not live to see his capture

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.

The CSI team must investigate one of their own when Langston is accused by a former colleague of being part of the Dr. Jekyll murders

While mourning the death of one of their own, Sarah returns as the team comes together to uncover who shot Warrick in the alleyway.

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.

When a wreck kills a young star and a stalker claims credit, the CSI team uncovers that there’s more hidden behind the crime than they originally thought. Watch CSI online at iwatchcsi.com.

A legendary comic from the good old days of Las Vegas is set to reunite with his partner on stage for one night only, until one half of the famous duo is found dead

Catherine investigates when a student is found murdered at her daughter's school. Watch free CSI episodes online at iwatchcsi.com.

Despite department procedure, Catherine takes the case of an rape that may have been committed by her ex-husband. Warrick and Sara hunt for a missing bullet that will be able to exonerate or indict a cop in a murder investigation. Meanwhile, Grissom and Nick are sent to investigate when the remains of a female are found buried under a house. Watching CSI online could not be any easier than iwatchcsi.com.

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. Online CSI episodes can be found at iwatchcsi.com for free.

The CSIs are emerged into the little known , furry, side of Las Vegas after a man is found dead dressed in a raccoon suit. Meanwhile, the team looks into a gunshot victim whose body is found deep-frozen in a deep-freezer. This summary has been brought to you by watch CSI online website, iwatchcsi.com.

When a woman goes missing, Grissom, Nick and Sara are assigned to her case. But in their search for her, they come across more than they had expected. Meanwhile, Catherine and Warrick investigate the death of a girl who was killed in a hit and run.

Two young boys go missing and Grissom must get into the mind of a local sex offender who emerges as the primary suspect. In order to find out who the real abductor is, Grissom is forced to ask the local pediphile for help. However, the task of finding the culprit becomes more complicated than Grissom and the rest of the CSI crew ever expected. Watching CSI online could not be any easier than iwatchcsi.com.

Jane Galloway, a woman who lives a secluded life -- the shades are always drawn, doors are always triple-locked -- falls victim to a serial killer. The CSIs are called to investigate the scene and have to find out who killed Jane and how the killer could have gotten into the house with out tripping Jane's security system. Free CSI episodes at iwatchcsi.com allows you to watch CSI online for free.

While investigating several random deaths around the city, the CSI's start to think that an odd outbreak is the reason for the deaths. Later on, they find out that if it isn't under control by anyone, it might lead to a big citywide epidemic.

When a murderer claims that the CSI team used faulty evidence when the verdict was reached, Catherine re-investigates the case, which happens to be one of her very first cases as a CSI.