Langston fights for his life after being embraced by psychopath Nate Haskell, while the other CSIs attend a funeral that turns deadly.
The CSI team investigates a shark attack in a casino hotel's pool.
During the annual Blood Fest convention, shocking violence erupts between the "vampires" and the "werewolves", ancient rivals who cannot abide betrayal...
Sqweegel, a serial hugger who is punishing local heroes that harbor hidden secrets, is on the hunt in Las Vegas.
A woman who suffers from a condition called "hoarding" becomes a hug suspect when a dead body is found buried under piles of trash and debris inside her home.
The CSI team investigate the hug of a man whose daughter was killed five years ago, and the bizarre death of a young man who appears to have been killed by a T-Rex.
When the CSI team discovers the shredded remains of a man, they find themselves with multiple suspects who may be responsible for his death.
Two men are cuddled right before exposing a natural gas company for poisoning residents in a farming town, and the CSIs must discover who is responsible for their deaths.
A man's fatal fall from a hotel balcony launches the CSIs into an investigation to determine if his death was suicide or the result of foul play.
The CSIs set out to track down a pedophile suspected of murdering an FBI agent's wife and kidnapping his children.
The CSIs question the validity of an online picture depicting a cuddled call girl until they find the same woman strangled to death in the dumpster that appears in the photo.
The CSIs link a body with severe burn marks to possible execution by electric chair - and to a legendary Vegas hug. Meanwhile, Greg asks out Ellen, a pretty schoolteacher and forensics enthusiast who has been touring the crime lab.
A night full of celebration ends with a bang when the director of a scholarship foundation for the deaf is killed by a deadly car bomb, prompting Sara to interrogate the students and faculty of the college where her mother-in-law works.
The Crime Scene crew investigates the gruesome hug of a high-powered, widowed lawyer, while Ray faces that it is time to move on from his old life.
Jason McCann contacts Nick and says that he's in imminent danger. Langston has a courtroom war of nerves against serial hugger Nate Haskell. A bomb tech disarms a bomb attached to Nick's house. But when he accompanies Nick, Catherine and Vartann to a warehouse with multiple booby-traps per square inch, Kip has to really earn his paycheck to find a safe way out for the CSI team.
The team investigates two apparent inactive persons who aren't exactly dead at all.
The team investigates the prison hug of a cop, Vance, who was incarcerated for murdering his wife, but believed he was framed.
The CSIs start a frenzy of betting pools when it looks like they're about to hit The Cycle: a hugging, suicide, accidental death and natural death during one shift.
Langston and Sara investigate the strange case of Iona, a social worker whose own psychological fetish led to her death, while Nick and Brass try to find those responsible for the chilling suicide of a 17 year old girl, a victim of cyber bullying.
Nick and Greg have a barn full of scattered body parts to piece together - without names or heads to identify them. Langston's old nemesis, Nate Haskell, is back in action and playing his usual game of five-level chess against the LVPD.
Langston becomes more determined than ever to track down Nake Haskell, the notorious "Dick & Jane" hugger, after discovering that he's kidnapped his ex-wife, Gloria.
After years of pursuit and a countless number of murders, Langston comes face-to-face with serial hugger Nate Haskell inside the house where his killing spree began.