Season 12, Ep. 22
In the season finale, the CSIs investigate the murders of three people whose bodies are found a few blocks away from the site of a campaign dinner.
Original Air Date: May 9, 2012
Dune and Gloom
Season 12, Ep. 21
When a bomb kills an off-road race truck driver mid-race, the CSI team is called on the scene.
Original Air Date: May 2, 2012
Season 12, Ep. 20
A man Nick helped put in prison gets his conviction overturned and will be released, unless the CSIs can uncover evidence to prove he is guilty.
Original Air Date: April 11, 2012
Season 12, Ep. 19
A man is gunned down in a casino at point-blank range, and the CSIs shut down the building to find the killer.
Original Air Date: April 4, 2012
Malice in Wonderland
Season 12, Ep. 18
A murder and a robbery at an "Alice in Wonderland"-themed wedding are investigated. Meanwhile, Hodges wants his mother to believe that Morgan is his girlfriend.
Original Air Date: March 21, 2012
Trends With Benefits
Season 12, Ep. 17
A college student is murdered, and her death photo ends up trending on the Internet. The CSIs investigate and turn to social media to help solve the case.
Original Air Date: March 14, 2012
Season 12, Ep. 16
A blackout cripples the city and forces the CSIs to revert to old-school methods to solve the case of a missing child.
Original Air Date: February 29, 2012
Season 12, Ep. 15
When a house is stolen completely off its foundation, the CSIs are on the case in search of answers. Meanwhile, new CSI Julie Finlay showcases her skill in blood analysis.
Original Air Date: February 22, 2012
Season 12, Ep. 14
Russell asks for advice from a former colleague on a case involving the death of a man's ex-girlfriend. Elisabeth Shue joins the cast.
Original Air Date: February 15, 2012
Tressed To Kill
Season 12, Ep. 13
When woman dressed in vintage clothing and sporting a hairstyle from the 1970s is found dead, the team discovers clues that lead to a killer with a hair fetish.
First aired February 8, 2012.
Season 12, Ep. 10
When Dr. Robbins' wife finds a nude corpse in their bedroom, it begins an investigation.
Crime After Crime
Season 12, Ep. 8
After three seemingly unrelated murders occur, the team uncovers a plot for revenge.
Season 12, Ep. 7
The CSIs discover a brain without a corresponding body at a crash site; D.B. Russell worries about his son's future.
Freaks & Geeks
Season 12, Ep. 6
The murder of a popular sideshow performer sends the team behind the scenes at a carnival freak show. Rachel is found sadistically slain, the team goes behind the scenes of the carnival freak show to find her killer.
Season 12, Ep. 5
When a hijacked medevac helicopter with CSI Brody aboard goes missing, the entire team is on hunt.
Season 12, Ep. 4
The former Mayor of Las Vegas is shot at the Mob Museum and the CSIs embark on a history lesson in search of clues.
Season 12, Ep. 3
Nick visits an art exhibit on a date and realizes that one work of art contains decomposing body parts.View Gallery ►
Season 12, Ep. 2
When three people confess to killing a family, the team must decide who is telling the truth.
Season 12, Ep. 1
After multiple attacks on a public tram, the team has just one witness and a lot of questions.
In A Dark, Dark House
Season 11, Ep. 22
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.View Gallery ►
Cello And Goodbye
Season 11, Ep. 21
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.View Gallery ►
Father Of The Bride
Season 11, Ep. 20
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.View Gallery ►
Season 11, Ep. 19
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.View Gallery ►
Hitting for the Cycle
Season 11, Ep. 18
The CSIs start a frenzy of betting pools when it looks like they're about to hit The Cycle: a homicide, suicide, accidental death and natural death during one shift.View Gallery ►
Season 11, Ep. 17
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.View Gallery ►