Season 12
Episodes
S12 · E1 · 21 Sept 2011 · 44 min
73 Seconds
After multiple attacks on a public tram, the team has just one witness and a lot of questions.
S12 · E2 · 28 Sept 2011 · 44 min
Tell-Tale Hearts
When three people confess to killing a family, the team must decide who is telling the truth.
S12 · E3 · 5 Oct 2011 · 43 min
Bittersweet
During a date, Stokes discovers decomposing body parts in part of an art exhibit; D.B. Russell deals with a staff member confrontation.
S12 · E4 · 12 Oct 2011 · 44 min
Maid Man
The investigators attend the gala grand opening of a mob museum, only to witness an attempted hit on mob lawyer and former mayor Oscar Goodman.
S12 · E5 · 19 Oct 2011 · 43 min
CSI Down
The CSI unit investigates when Frank, an apparent murder victim, sits up and needs help but is he just another victim?
S12 · E6 · 2 Nov 2011 · 43 min
Freaks & Geeks
The murder of a popular sideshow performer sends the team behind the scenes at a carnival freak show.
S12 · E7 · 9 Nov 2011 · 44 min
Brain Doe
The CSI crew is stumped when they discover a disembodied brain at a crime scene where all the other brains are accounted for.
S12 · E8 · 16 Nov 2011 · 43 min
Crime After Crime
Three new murders related to three unsolved (or incorrectly solved) crimes from the past come back to haunt the CSIs.
S12 · E9 · 7 Dec 2011 · 44 min
Zippered
The murder of a retired Army Ranger brings the FBI in on the case, to Russell and Catherine's initial chagrin.
S12 · E10 · 14 Dec 2011 · 44 min
Genetic Disorder
When 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.
S12 · E11 · 18 Jan 2012 · 44 min
Ms. Willows Regrets... (1)
Catherine'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.
S12 · E12 · 25 Jan 2012 · 44 min
Willows in the Wind (2)
The CSI team says goodbye to Catherine Willows as she makes a life-changing decision.
S12 · E13 · 8 Feb 2012 · 44 min
Tressed to Kill
When 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.
S12 · E14 · 15 Feb 2012 · 43 min
Seeing Red
Russell seeks advice from a former colleague during an investigation into the death of a man's ex-girlfriend.
S12 · E15 · 22 Feb 2012 · 44 min
Stealing Home
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.
S12 · E16 · 29 Feb 2012 · 43 min
CSI Unplugged
When a blackout cripples the city, the CSIs must revert to old-school methods to solve the case of a missing child.
S12 · E17 · 14 Mar 2012 · 44 min
Trends with Benefits
When a photo of a dead college student starts trending on the Internet, the team steps in to investigate.
S12 · E18 · 21 Mar 2012 · 44 min
Malice in Wonderland
The team has few leads to go on when investigating a robbery-homicide at a themed wedding
S12 · E19 · 4 Apr 2012 · 43 min
Split Decisions
When 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.
S12 · E20 · 11 Apr 2012 · 44 min
Altered Stakes
When 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.
S12 · E21 · 2 May 2012 · 43 min
Dune and Gloom
When a bomb kills an off-road race truck driver mid-race, the CSI team is called on the scene to investigate why.
S12 · E22 · 9 May 2012 · 44 min
Homecoming
The 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...
Data and images from TMDB.