- 1 Shock Waves
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The CSI team investigates a well-orchestrated bombing at the funeral of Officer Franklin Clark
Average Episode Rating: 5.0 | Air Date: 2010-09-23
- 2 Pool Shark
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The team investigates when a woman is attacked by a shark in the pool at a Las Vegas casino.
Average Episode Rating: 5.0 | Air Date: 2010-09-30
- 3 Blood Moon
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A vampire and werewolf convention becomes the center of a murder investigation.
Average Episode Rating: 4.0 | Air Date: 2010-10-07
- 4 Sqweegel
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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
Average Episode Rating: 5.0 | Air Date: 2010-10-14
- 5 House of Hoarders
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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
Average Episode Rating: 5.0 | Air Date: 2010-10-21
- 6 Cold Blooded
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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 by a T-Rex.
Average Episode Rating: 5.0 | Air Date: 2010-10-28
- 7 Bump and Grind
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When shredded remains of a man are discovered, evidence leads to multiple possible suspects.
Average Episode Rating: 4.0 | Air Date: 2010-11-04
- 8 Fracked
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The CSI's investigate a series of deaths related to an energy company's grotesque cover-up of tainted water.
Average Episode Rating: 5.0 | Air Date: 2010-11-11
- 9 Wild Life
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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 hotel. Across town, a elderly woman falls through her table and her husband dead in the shower. The only two witnesses to the crime are an incooperative cat and a parrot who pleads the fifth.
Average Episode Rating: 5.0 | Air Date: 2010-11-18
- 10 418/427
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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.
Average Episode Rating: 4.0 | Air Date: 2010-12-09
- 11 Man Up
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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 photo.
Average Episode Rating: 4.0 | Air Date: 2011-01-06
- 12 A Kiss Before Frying
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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.
Average Episode Rating: 3.5 | Air Date: 2011-01-20
- 13 The Two Mrs. Grissoms
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Sara clashes with her mother-in-law and a woman from Gil's past.
Average Episode Rating: 3.5 | Air Date: 2011-02-03
- 14 All That Cremains
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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.
Average Episode Rating: 4.0 | Air Date: 2011-02-10
- 15 Targets of Obsession
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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 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.
Average Episode Rating: 4.0 | Air Date: 2011-02-17
- 16 Turn On, Tune In, Drop Dead
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The team investigates two apparent corpses who aren't exactly dead at all.
Average Episode Rating: 4.0 | Air Date: 2011-02-24
- 17 The List
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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.
Average Episode Rating: 4.0 | Air Date: 2011-03-10
- 18 Hitting for the Cycle
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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
Average Episode Rating: 4.5 | Air Date: 2011-03-31
- 19 Unleashed
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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
Average Episode Rating: 3.5 | Air Date: 2011-04-07
- 20 Father of the Bride (1)
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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.
Average Episode Rating: 3.5 | Air Date: 2011-04-28
- 21 Cello and Goodbye (2)
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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.
Average Episode Rating: 3.5 | Air Date: 2011-05-05
- 22 In A Dark, Dark House (3)
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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.
Average Episode Rating: 3.0 | Air Date: 2011-05-12