Despite injuries in the ranks, the CSI unit tackles a new slate of cases ranging from an urban shark attack to a deadly fugitive with a chilling agenda.
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Episode 1
Shock Waves
The CSI team investigates a well-orchestrated bombing at the funeral of Officer Franklin Clark
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Episode 2
Pool Shark
The team investigates when a woman is attacked by a shark in the pool at a Las Vegas casino.
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Episode 3
Blood Moon
A vampire and werewolf convention becomes the center of a murder investigation.
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Episode 4
Sqweegel
The CSI team investigates a mad slasher who strikes without leaving a trace -- because he wears a form-fitting black latex suit that leaves not a molecule of evidence behind
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Episode 5
House of Hoarders
The CSI team investigate a murder at the home of Marta, a "level 5 hoarder" whose home is stacked high with possessions and garbage--and more than one dead body
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Episode 6
Cold Blooded
The CSI team investigate the murder of a man whose daughter was killed five years ago, and the bizarre death of a young man who appears to have been killed…
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Episode 7
Bump and Grind
When shredded remains of a man are discovered, evidence leads to multiple possible suspects.
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Episode 8
Fracked
The CSI's investigate a series of deaths related to an energy company's grotesque cover-up of tainted water.
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Episode 9
Wild Life
The sky is falling or at least people are. The CSI's try to figure out if it was murder or sucide after a man is dead after falling from a…
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Episode 10
418/427
The CSIs set out to track down a pedophile suspected of murdering an FBI agent's wife and kidnapping his children.
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Episode 11
Man Up
The CSIs question the validity of an online picture depicting a murdered call girl until they find the same woman strangled to death in the dumpster that appears in the…
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Episode 12
A Kiss Before Frying
A body with unusual burn marks is discovered on the side of the road; Greg asks a teacher (Dita von Teese) out on a date.
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Episode 13
The Two Mrs. Grissoms
Sara clashes with her mother-in-law and a woman from Gil's past.
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Episode 14
All That Cremains
The Crime Scene crew investigates the gruesome murder of a high-powered, widowed lawyer, while Ray faces that it is time to move on from his old life.
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Episode 15
Targets of Obsession
Jason McCann contacts Nick and says that he's in imminent danger. Langston has a courtroom war of nerves against serial killer Nate Haskell. A bomb tech disarms a bomb attached…
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Episode 16
Turn On, Tune In, Drop Dead
The team investigates two apparent corpses who aren't exactly dead at all.
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Episode 17
The List
While investigating the murder of a convicted ex-cop, the CSIs stumble upon a list in his prison cell with names of several individuals he believed might have been his wife's…
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Episode 18
Hitting for the Cycle
A string of deaths, including a gamer found dead on his couch and a newly divorced man at the bottom of a pool, instigate a bet among the CSIs as…
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Episode 19
Unleashed
Langston and Sara turn to Lady Heather for help in tracking down the culprit responsible for injuring a woman before she was seemingly mauled to death by a mountain lion.…
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Episode 20
Father of the Bride (1)
Following his escape, Nate Haskell, the notorious "Dick & Jane" killer, resurfaces when he e-mails a disturbing video to the father of one of his brides, threatening to take her…
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Episode 21
Cello and Goodbye (2)
Langston becomes more determined than ever to track down Nate Haskell, the notorious "Dick & Jane" killer, after discovering that he's kidnapped his ex-wife, Gloria.
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Episode 22
In A Dark, Dark House (3)
After years of pursuit and a countless number of murders, Langston comes face-to-face with serial killer Nate Haskell inside the house where his killing spree began.