Shock Waves
Season 11, Episode 1 TV-14
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Langston fights for his life after being stabbed by psychopath Nate Haskell, while the other CSIs attend a funeral that turns deadly.
Pool Shark
Season 11, Episode 2 TV-14
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Hysteria ensues when a shark attacks a woman in the pool at a Las Vegas casino "day club," and the CSIs must determine if the killer is human or shark.
Blood Moon
Season 11, Episode 3 TV-14
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A vampire and werewolf convention is at the heart of a murder investigation in Las Vegas.
Sqweegel
Season 11, Episode 4 TV-14
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Sqweegel, a serial killer who is punishing local heroes that harbor hidden secrets, is on the hunt in Las Vegas.
House of Hoarders
Season 11, Episode 5 TV-PG
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A woman who suffers from a condition called "hoarding" becomes a murder suspect when a dead body is found buried under piles of trash and debris inside her home.
Cold Blooded
Season 11, Episode 6 TV-14
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When a college student ends up dead after a "Walking with Dinosaurs" show, the CSIs must determine if his death was murder or accidental.
Bump And Grind
Season 11, Episode 7 TV-14
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When the CSI team discovers the shredded remains of a man, they find themselves with multiple suspects who may be responsible for his death.
Fracked
Season 11, Episode 8 TV-PG
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Two men are murdered 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.
Wild Life
Season 11, Episode 9 TV-14
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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.
418 / 427
Season 11, Episode 10 TV-14
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The CSIs set out to track down a pedophile suspected of murdering an FBI agent's wife and kidnapping his children.
Man Up
Season 11, Episode 11 TV-14
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When a seemingly fake photo of a dead call girl appears online, the CSIs follow up on a lead to find the woman was actually murdered.
A Kiss Before Frying
Season 11, Episode 12 TV-14
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The CSIs link a body with severe burn marks to possible execution by electric chair - and to a legendary Vegas murder.
The Two Mrs. Grissoms
Season 11, Episode 13 TV-14
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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.
All That Cremains
Season 11, Episode 14 TV-14
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A thrift store donation turns gruesome when a dead body is found in a box; meanwhile, Langston's wife pays a surprise visit to the crime lab.
Targets of Obsession
Season 11, Episode 15 TV-14
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Langston testifies against the notorious 'Dick and Jane' killer, Nate Haskell. Meanwhile, Nick receives a call from troubled teen Jason McCann to warn him of impending danger.
Turn On, Tune In, Drop Dead
Season 11, Episode 16 TV-PG
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The CSIs are on zombie alert when two men initially pronounced dead mysteriously come back to life.
The List
Season 11, Episode 17 TV-14
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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 true killer.
Hitting for the Cycle
Season 11, Episode 18 TV-14
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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 to whether they've "hit for the cycle" - a homicide, a suicide, an accidental and a natural death all in one night.
Unleashed
Season 11, Episode 19 TV-14
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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. Meanwhile, Nick and Dr. Robbins manage to rescue the unborn baby of a teenage girl who appears to have committed suicide.
Father of the Bride
Season 11, Episode 20 TV-14
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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 life.
Cello and Goodbye
Season 11, Episode 21 TV-14
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Langston becomes more determined than ever to track down Nake Haskell, the notorious "Dick & Jane" killer, after discovering that he's kidnapped his ex-wife, Gloria.
In a Dark, Dark House
Season 11, Episode 22 TV-14
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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.