
CSI: Crime Scene Investigation — Season 12
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.
About this season
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.
Episodes (22)

1. 73 Seconds
8.4Aired 21 September 2011 • 44 min
After multiple attacks on a public tram, the team has just one witness and a lot of questions.

2. Tell-Tale Hearts
8.6Aired 28 September 2011 • 44 min
When three people confess to killing a family, the team must decide who is telling the truth.

3. Bittersweet
8.2Aired 5 October 2011 • 43 min
During a date, Stokes discovers decomposing body parts in part of an art exhibit; D.B. Russell deals with a staff member confrontation.

4. Maid Man
8.2Aired 12 October 2011 • 44 min
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.

5. CSI Down
8.3Aired 19 October 2011 • 43 min
The CSI unit investigates when Frank, an apparent murder victim, sits up and needs help but is he just another victim?

6. Freaks & Geeks
7.5Aired 2 November 2011 • 43 min
The murder of a popular sideshow performer sends the team behind the scenes at a carnival freak show.

7. Brain Doe
6.7Aired 9 November 2011 • 44 min
The CSI crew is stumped when they discover a disembodied brain at a crime scene where all the other brains are accounted for.

8. Crime After Crime
8.7Aired 16 November 2011 • 43 min
Three new murders related to three unsolved (or incorrectly solved) crimes from the past come back to haunt the CSIs.

9. Zippered
7.9Aired 7 December 2011 • 44 min
The murder of a retired Army Ranger brings the FBI in on the case, to Russell and Catherine's initial chagrin.

10. Genetic Disorder
8.4Aired 14 December 2011 • 44 min
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.

11. Ms. Willows Regrets... (1)
9.0Aired 18 January 2012 • 44 min
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.

12. Willows in the Wind (2)
7.3Aired 25 January 2012 • 44 min
The CSI team says goodbye to Catherine Willows as she makes a life-changing decision.

13. Tressed to Kill
7.9Aired 8 February 2012 • 44 min
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.

14. Seeing Red
7.4Aired 15 February 2012 • 43 min
Russell seeks advice from a former colleague during an investigation into the death of a man's ex-girlfriend.

15. Stealing Home
6.6Aired 22 February 2012 • 44 min
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.

16. CSI Unplugged
7.4Aired 29 February 2012 • 43 min
When a blackout cripples the city, the CSIs must revert to old-school methods to solve the case of a missing child.

17. Trends with Benefits
6.2Aired 14 March 2012 • 44 min
When a photo of a dead college student starts trending on the Internet, the team steps in to investigate.

18. Malice in Wonderland
8.1Aired 21 March 2012 • 44 min
The team has few leads to go on when investigating a robbery-homicide at a themed wedding

19. Split Decisions
6.5Aired 4 April 2012 • 43 min
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.

20. Altered Stakes
7.9Aired 11 April 2012 • 44 min
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.

21. Dune and Gloom
7.8Aired 2 May 2012 • 43 min
When a bomb kills an off-road race truck driver mid-race, the CSI team is called on the scene to investigate why.

22. Homecoming
8.5Aired 9 May 2012 • 44 min
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...