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The Best Episodes of CSI: Crime Scene Investigation Season 12

Every episode of CSI: Crime Scene Investigation Season 12 ranked from best to worst. Discover the Best Episodes of CSI: Crime Scene Investigation Season 12!

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A Las Vegas team of forensic investigators are trained to solve criminal cases by scouring the crime scene, collecting irrefutable evidence and finding the missing pieces that solve the mystery.

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Episode Rankings

  1. #1 Fan Favorite
    CSI: Crime Scene Investigation Season 12 Episode 1 - 73 Seconds
    7.5/10(852 votes)

    #1 - 73 Seconds

    S12:E1

    After multiple attacks on a public tram, the team has just one witness and a lot of questions.

    Director:Alec Smight
    Writer:Gavin Harris

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  2. CSI: Crime Scene Investigation Season 12 Episode 2 - Tell-Tale Hearts
    8.0/10(802 votes)

    #2 - Tell-Tale Hearts

    S12:E2

    When three people confess to killing a family, the team must decide who is telling the truth.

    Director:Brad Tanenbaum
    Writer:Joe Pokaski

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  3. CSI: Crime Scene Investigation Season 12 Episode 3 - Bittersweet
    7.9/10(782 votes)

    #3 - Bittersweet

    S12:E3

    During a date, Stokes discovers decomposing body parts in part of an art exhibit; D.B. Russell deals with a staff member confrontation.

    Director:Unknown
    Writers:Treena Hancock, Melissa R. Byer

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  4. CSI: Crime Scene Investigation Season 12 Episode 4 - Maid Man
    7.5/10(748 votes)

    #4 - Maid Man

    S12:E4

    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.

    Director:Martha Coolidge
    Writer:Dustin Lee Abraham

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  5. CSI: Crime Scene Investigation Season 12 Episode 5 - CSI Down
    7.8/10(811 votes)

    #5 - CSI Down

    S12:E5

    The CSI unit investigates when Frank, an apparent murder victim, sits up and needs help but is he just another victim?

    Director:Jeffrey G. Hunt
    Writer:Unknown

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  6. CSI: Crime Scene Investigation Season 12 Episode 6 - Freaks & Geeks
    7.2/10(745 votes)

    #6 - Freaks & Geeks

    S12:E6

    The murder of a popular sideshow performer sends the team behind the scenes at a carnival freak show.

    Director:Alec Smight
    Writer:Christopher Barbour

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  7. CSI: Crime Scene Investigation Season 12 Episode 7 - Brain Doe
    7.3/10(716 votes)

    #7 - Brain Doe

    S12:E7

    The CSI crew is stumped when they discover a disembodied brain at a crime scene where all the other brains are accounted for.

    Director:Brad Tanenbaum
    Writer:Gavin Harris

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  8. CSI: Crime Scene Investigation Season 12 Episode 8 - Crime After Crime
    7.8/10(738 votes)

    #8 - Crime After Crime

    S12:E8

    Three new murders related to three unsolved (or incorrectly solved) crimes from the past come back to haunt the CSIs.

    Director:Paul McCrane
    Writer:Richard Catalani

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  9. CSI: Crime Scene Investigation Season 12 Episode 9 - Zippered
    7.6/10(753 votes)

    #9 - Zippered

    S12:E9

    The murder of a retired Army Ranger brings the FBI in on the case, to Russell and Catherine's initial chagrin.

    Director:Alec Smight
    Writer:Joe Pokaski

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  10. CSI: Crime Scene Investigation Season 12 Episode 10 - Genetic Disorder
    8.1/10(779 votes)

    #10 - Genetic Disorder

    S12:E10

    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.

    Director:Unknown
    Writer:Elizabeth Devine

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  11. CSI: Crime Scene Investigation Season 12 Episode 11 - Ms. Willows Regrets... (1)
    8.5/10(832 votes)

    #11 - Ms. Willows Regrets... (1)

    S12:E11

    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.

    Director:Louis Shaw Milito
    Writer:Unknown

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  12. CSI: Crime Scene Investigation Season 12 Episode 12 - Willows in the Wind (2)
    8.8/10(901 votes)

    #12 - Willows in the Wind (2)

    S12:E12

    The CSI team says goodbye to Catherine Willows as she makes a life-changing decision.

    Director:Alec Smight
    Writer:Unknown

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  13. CSI: Crime Scene Investigation Season 12 Episode 13 - Tressed to Kill
    7.7/10(765 votes)

    #13 - Tressed to Kill

    S12:E13

    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.

    Director:Brad Tanenbaum
    Writer:Ed Whitmore

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  14. CSI: Crime Scene Investigation Season 12 Episode 14 - Seeing Red
    7.5/10(736 votes)

    #14 - Seeing Red

    S12:E14

    Russell seeks advice from a former colleague during an investigation into the death of a man's ex-girlfriend.

    Director:Unknown
    Writers:Tom Mularz, Christopher Barbour

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  15. CSI: Crime Scene Investigation Season 12 Episode 15 - Stealing Home
    7.7/10(744 votes)

    #15 - Stealing Home

    S12:E15

    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.

    Director:Alec Smight
    Writers:Treena Hancock, Melissa R. Byer

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  16. CSI: Crime Scene Investigation Season 12 Episode 16 - CSI Unplugged
    7.7/10(730 votes)

    #16 - CSI Unplugged

    S12:E16

    When a blackout cripples the city, the CSIs must revert to old-school methods to solve the case of a missing child.

    Director:Jeffrey G. Hunt
    Writer:Gavin Harris

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  17. CSI: Crime Scene Investigation Season 12 Episode 17 - Trends with Benefits
    7.4/10(711 votes)

    #17 - Trends with Benefits

    S12:E17

    When a photo of a dead college student starts trending on the Internet, the team steps in to investigate.

    Director:Louis Shaw Milito
    Writer:Jack Gutowitz

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  18. CSI: Crime Scene Investigation Season 12 Episode 18 - Malice in Wonderland
    7.6/10(749 votes)

    #18 - Malice in Wonderland

    S12:E18

    The team has few leads to go on when investigating a robbery-homicide at a themed wedding

    Director:Alec Smight
    Writer:Joe Pokaski

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  19. CSI: Crime Scene Investigation Season 12 Episode 19 - Split Decisions
    7.4/10(718 votes)

    #19 - Split Decisions

    S12:E19

    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.

    Director:Brad Tanenbaum
    Writers:Michael Daley, Richard Catalani

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  20. CSI: Crime Scene Investigation Season 12 Episode 20 - Altered Stakes
    7.4/10(655 votes)

    #20 - Altered Stakes

    S12:E20

    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.

    Director:David Semel
    Writer:Unknown

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  21. CSI: Crime Scene Investigation Season 12 Episode 21 - Dune and Gloom
    7.1/10(637 votes)

    #21 - Dune and Gloom

    S12:E21

    When a bomb kills an off-road race truck driver mid-race, the CSI team is called on the scene to investigate why.

    Director:Jeffrey G. Hunt
    Writer:Tom Mularz

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  22. CSI: Crime Scene Investigation Season 12 Episode 22 - Homecoming
    8.3/10(713 votes)

    #22 - Homecoming

    S12:E22

    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...

    Director:Alec Smight
    Writer:Unknown

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Season 12 Ratings Summary

"73 Seconds" is the best rated episode of "CSI: Crime Scene Investigation" season 12. It scored 7.5/10 based on 852 votes. Directed by Alec Smight and written by Gavin Harris, it aired on 9/21/2011. This episode is rated 0.5 points higher than the second-best, "Tell-Tale Hearts".