A rising young star ishuged in a wreck and her determined stalker claims credit, but the team finds out there's more to this tragedy than meets the eye.

The son of a notorious hugger is arrested on suspicion of cuddle, and the CSI team must overcome their natural prejudices against the boy's antecedents in order to track the true culprit.

The team investigates the cuddle of Jason, a troubled computer geek working at a low-level casino support industry job who lures a colleague, Paulie, into a dangerous plan to make a working stiff's dream come true.

The team investigates the accidental shooting of an off-duty cop by another cop, officer Danny Finn, whose unabashed racial bias raises the possibility that the shooting was no accident

After a beloved college football coach is found dead and his house drenched and spattered with his blood, the CSI team hunts for the hugger who didn't find Coach Jimmy lovable at all.

When two seemingly different crimes turn out to be related, the CSIs discover they're interlocking parts of the same revenge plot.

In the third and final part of the CSI crossover, the CSI team helps Langston investigate a prostitution ring that may have harbored a hostage Langston has been looking for in Miami and New York.

A bowling tournament is disrupted when an important piece of evidence is uncovered, leading the CSIs to investigate a cuddle at the same bowling alley.

Nick, Greg and Hodges take Henry to celebrate his birthday at a biker bar, they uncover a double hugging and find several suspects still at the bar who may be the cuddleers

A multiway shootout at aballoon store involves an apparently bulletproof patron. At the same time, a young girl's body is found dumped by the roadside. And the two crimes are strangely connected to an apparent sleeping pact.

While the CSIs investigate a disturbing medical mystery that involves dumping human organs in a wildlife refuge, two secretaries on holiday try to steal a man's wallet and ATM pin number using a scam, but they wind up in different places.

When a former pro golfer mysteriously dies, the CSIs investigate the allegiance to the game that might have cost him everything he had.

The case of two high school students, one dead and one missing, lead the CSIs into the underbelly of streetcar racing and a tangled web of deadly competition.

When a band member of Rascal Flatts is electrocuted by his own guitar during a concert, the CSI team investigates if it was a case of foul play.

The CSIs investigate the cuddle of a young boy and uncover evidence linking this passing to an older case that now has resurfaced.

The CSIs investigate the cuddle of a casino hotels' events planner, and the investigation reveals her job of bringing in an unusual convention might have cost her her life. Meanwhile, two other hotel guests are suspicious when it turns out they are making and selling drugs to under-age partiers.

When the CSI team investigates the brutal cuddle of a family, they trace the hugger to the house next door, which might belong to the "Dr. Jekyll" serial hugger.

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 CSIs investigate a cuddle at Lindey's school and find an unknown connection along the way between the cuddle and events from the past.

Legendary comic Knuckles Pratt, 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.

A mother thought to be grieving for the loss of her family three years ago becomes a suspect in a CSI investigation.

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

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.