E1 - Shock Waves

Aired: September 23, 2010

The CSI team investigates a well-orchestrated bombing at the funeral of Officer Franklin Clark

E2 - Pool Shark

Aired: September 30, 2010

The team investigates when a woman is attacked by a shark in the pool at a Las Vegas casino.

E3 - Blood Moon

Aired: October 07, 2010

A vampire and werewolf convention becomes the center of a murder investigation.

E4 - Sqweegel

Aired: October 14, 2010

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

E5 - House of Hoarders

Aired: October 21, 2010

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

E6 - Cold Blooded

Aired: October 28, 2010

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.

E7 - Bump and Grind

Aired: November 04, 2010

When shredded remains of a man are discovered, evidence leads to multiple possible suspects.

E8 - Fracked

Aired: November 11, 2010

The CSI's investigate a series of deaths related to an energy company's grotesque cover-up of tainted water.

E9 - Wild Life

Aired: November 18, 2010

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.

E10 - 418/427

Aired: December 09, 2010

The CSIs set out to track down a pedophile suspected of murdering an FBI agent's wife and kidnapping his children.

E11 - Man Up

Aired: January 06, 2011

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.

E12 - A Kiss Before Frying

Aired: January 20, 2011

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.

E13 - The Two Mrs. Grissoms

Aired: February 03, 2011

Sara clashes with her mother-in-law and a woman from Gil's past.

E14 - All That Cremains

Aired: February 10, 2011

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.

E15 - Targets of Obsession

Aired: February 17, 2011

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.

E16 - Turn On, Tune In, Drop Dead

Aired: February 24, 2011

The team investigates two apparent corpses who aren't exactly dead at all.

E17 - The List

Aired: March 10, 2011

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.

E18 - Hitting for the Cycle

Aired: March 31, 2011

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

E19 - Unleashed

Aired: April 07, 2011

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.

E20 - Father Of The Bride (1)

Aired: April 28, 2011

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.

E21 - Cello and Goodbye (2)

Aired: May 05, 2011

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.

E22 - In A Dark, Dark House (3)

Aired: May 12, 2011

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.