Season 12
22 episodes · Sep 21, 2011
With new supervisor D.B. Russell at the helm, the CSI team continues to use its advanced forensic methods to crack the most baffling cases.
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S12E173 Seconds
Sep 21, 201144mAfter multiple attacks on a public tram, the team has just one witness and a lot of questions.
S12E2Tell-Tale Hearts
Sep 28, 201144mWhen three people confess to killing a family, the team must decide who is telling the truth.
S12E3Bittersweet
Oct 5, 201143mDuring a date, Stokes discovers decomposing body parts in part of an art exhibit; D.B. Russell deals with a staff member confrontation.
S12E4Maid Man
Oct 12, 201144mThe investigators attend the gala grand opening of a mob museum, only to witness an attempted hit on mob lawyer and former mayor Oscar Goodman.
S12E5CSI Down
Oct 19, 201143mThe CSI unit investigates when Frank, an apparent murder victim, sits up and needs help but is he just another victim?
S12E6Freaks & Geeks
Nov 2, 201143mThe murder of a popular sideshow performer sends the team behind the scenes at a carnival freak show.
S12E7Brain Doe
Nov 9, 201144mThe CSI crew is stumped when they discover a disembodied brain at a crime scene where all the other brains are accounted for.
S12E8Crime After Crime
Nov 16, 201143mThree new murders related to three unsolved (or incorrectly solved) crimes from the past come back to haunt the CSIs.
S12E9Zippered
Dec 7, 201144mThe murder of a retired Army Ranger brings the FBI in on the case, to Russell and Catherine's initial chagrin.
S12E10Genetic Disorder
Dec 14, 201144mWhen a man's dead body turns up naked in the bed of Doc Robbins' wife, the detectives try to "just work the scene" without bringing their pre-judgments to the table, but it sure looks like a case of Death During Adultery.
S12E11Ms. Willows Regrets... (1)
Jan 18, 201244mCatherine's friend Laura's mogul husband Mark has a lot to hide behind his successful international corporation, and he's hired a crack team of assassins to carry out the murders of anyone who might be aware of what he's doing, and that includes Laura's lawyer and Laura herself.
S12E12Willows in the Wind (2)
Jan 25, 201244mThe CSI team says goodbye to Catherine Willows as she makes a life-changing decision.
S12E13Tressed to Kill
Feb 8, 201244mWhen a woman is found dead and her hair is done up '70s style complete with vintage clothes, the CSI team discovers clues that point to a killer with a hair fetish.
S12E14Seeing Red
Feb 15, 201243mRussell seeks advice from a former colleague during an investigation into the death of a man's ex-girlfriend.
S12E15Stealing Home
Feb 22, 201244mWhen 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.
S12E16CSI Unplugged
Feb 29, 201243mWhen a blackout cripples the city, the CSIs must revert to old-school methods to solve the case of a missing child.
S12E17Trends with Benefits
Mar 14, 201244mWhen a photo of a dead college student starts trending on the Internet, the team steps in to investigate.
S12E18Malice in Wonderland
Mar 21, 201244mThe team has few leads to go on when investigating a robbery-homicide at a themed wedding
S12E19Split Decisions
Apr 4, 201243mWhen the CSI team is called in to investigate a man who is shot at point-blank range in a local casino, they shut down the entire building to find their killer.
S12E20Altered Stakes
Apr 11, 201244mWhen Stokes learns that a man he helped put in prison is going to have his conviction overturned, the CSI team needs to prove the killer is guilty again or he will be released.
S12E21Dune and Gloom
May 2, 201243mWhen a bomb kills an off-road race truck driver mid-race, the CSI team is called on the scene to investigate why.
S12E22Homecoming
May 9, 201244mThe investigation of a triple homicide leads to the discovery of corruption running rampant throughout the LVPD. The closer they get to the truth, the more serious are the repercussions. To be continued...