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The Worst Episodes of CSI: Crime Scene Investigation

Every episode of CSI: Crime Scene Investigation ranked from worst to best. Explore the Worst Episodes of CSI: Crime Scene Investigation!

The Worst Episodes of CSI: Crime Scene Investigation

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...
  1. Background image for Mascara
    6.3/10(887 votes)

    #1 - Mascara

    S9:E18

    Langston is shocked when his former student is found murdered and becomes the focus of a CSI investigation into the world of Mexican wrestling.

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  2. Background image for Rubbery Homicide
    6.7/10(417 votes)

    #2 - Rubbery Homicide

    S15:E8

    The CSI team find themselves taking a look into the kinky world of “rubber dolls” as they investigate the murder of a man stabbed in an alley.

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  3. Background image for Poppin' Tags
    6.8/10(803 votes)

    #3 - Poppin' Tags

    S6:E20

    The CSI team is lead into the rap music world as they investigate the murders of three rival teen rappers.

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  4. Background image for The Book of Shadows
    6.8/10(446 votes)

    #4 - The Book of Shadows

    S15:E4

    A chemistry teacher's science experiment goes horribly wrong.

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  5. Background image for Shock Waves
    6.9/10(1.0k votes)

    #5 - Shock Waves

    S11:E1

    The CSI team investigates a well-orchestrated bombing at the funeral of Officer Franklin Clark

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  6. Background image for Exile
    6.9/10(480 votes)

    #6 - Exile

    S13:E14

    The CSIs investigate the demise of a famous Cuban singer’s sister who’s in town as part of a U.S. tour. Meanwhile, Hodges begins to get cold feet at the prospect of marrying his Italian bombshell girlfriend.

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  8. Background image for Consumed
    6.9/10(422 votes)

    #7 - Consumed

    S14:E20

    As the CSIs hunt a cannibalistic killer, they realize there is more than one.

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    Director:Karen Gaviola
    Writer:Tom Mularz
  9. Background image for Fearless
    7.0/10(438 votes)

    #8 - Fearless

    S13:E20

    The CSI team investigates a popular spiritual retreat when a body is found floating in a mud bath. Meanwhile, Hodges questions his marriage plans to Elisabetta.

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  10. Background image for Road to Recovery
    7.0/10(412 votes)

    #9 - Road to Recovery

    S15:E7

    The CSI team take a look into the death of a woman who has been drinking and taking drugs in a pool at a rehab facility.

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  11. Background image for All In
    7.1/10(701 votes)

    #10 - All In

    S9:E24

    A cache of missing chips from a closed down casino turn up in Vegas and a string of murders follow, leading Langston to use deadly force for the first time in his career as a CSI.

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  12. Background image for Long Ball
    7.1/10(681 votes)

    #11 - Long Ball

    S10:E12

    The CSI investigates the mystifying death of a former pro golfer whose allegiance to the game might have cost him everything.

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  13. Background image for Unshockable
    7.1/10(754 votes)

    #12 - Unshockable

    S10:E14

    When a band member of Rascal Flatts is electrocuted by his own guitar during a concert, the CSI team investigates if it was a case of foul play.

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  14. Background image for Blood Moon
    7.1/10(739 votes)

    #13 - Blood Moon

    S11:E3

    A vampire and werewolf convention becomes the center of a murder investigation.

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  15. Background image for Turn On, Tune In, Drop Dead
    7.1/10(702 votes)

    #14 - Turn On, Tune In, Drop Dead

    S11:E16

    The team investigates two apparent corpses who aren't exactly dead at all.

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    Director:Paul McCrane
    Writer:Tom Mularz
  16. Background image for Dune and Gloom
    7.1/10(622 votes)

    #15 - 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.

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  17. Background image for Torch Song
    7.1/10(468 votes)

    #16 - Torch Song

    S14:E3

    The CSI team investigates a fire at a music venue that leaves four people dead, including two band members.

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    Writer:Unknown
  18. Background image for Helpless
    7.1/10(455 votes)

    #17 - Helpless

    S14:E8

    A dead man is found inside a human-size hamster ball; the team collaborates on a serial rapist investigation.

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    Director:Karen Gaviola
    Writer:Tom Mularz
  19. Background image for Long Road Home
    7.1/10(448 votes)

    #18 - Long Road Home

    S14:E17

    A murdered groupie and a missing prostitute both have connections to a mysterious band.

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  20. Background image for Crow's Feet
    7.2/10(829 votes)

    #19 - Crow's Feet

    S5:E4

    A woman is found dead in a hotel suite with symptoms of the ebola virus. Another woman is found dead with similar symptoms. Catherine and Nick investigate. Sara and Greg with help from Grissom try to determine how a the owner of a home was killed. His home was tented for infestation.

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  21. Background image for Snakes
    7.2/10(811 votes)

    #20 - Snakes

    S5:E12

    The swing shift has a busy time. Warrick looks into the murder of man by someone who apparently needs a wheelchair. Nick looks into the murder of woman in the subculture of the narcocorrido, songs about drug murders. The night shift is slow and lends help to Catherine's team.

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  22. Background image for Deep Fried and Minty Fresh
    7.2/10(738 votes)

    #21 - Deep Fried and Minty Fresh

    S9:E13

    Langston and Nick are called to investigate a murder at a fast food restaurant and have quite a task ahead of them when they discover that much of the evidence is coated in cooking oil.

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  23. Background image for Kill Me If You Can
    7.2/10(715 votes)

    #22 - Kill Me If You Can

    S9:E15

    The CSI are called to three different crime scenes in one night that are seemingly unrelated, but each case's forensic evidence reveals a common link

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  24. Background image for The Descent of Man
    7.2/10(739 votes)

    #23 - The Descent of Man

    S9:E19

    When a seasoned sky diver is paralyzed after free falling to earth when his parachute doesn't deploy, he turns out to be linked to the strange death-by-airborne-toxins of two wealthy men with ties to Iran.

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  25. Background image for Take My Life, Please!
    7.2/10(707 votes)

    #24 - Take My Life, Please!

    S10:E20

    A legendary comic from the good old days of Las Vegas is set to reunite with his partner on stage for one night only, until one half of the famous duo is found dead.

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  26. Background image for Pool Shark
    7.2/10(752 votes)

    #25 - Pool Shark

    S11:E2

    The team investigates when a woman is attacked by a shark in the pool at a Las Vegas casino.

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Worst Episodes Summary

"Mascara" is the worst rated episode of "CSI: Crime Scene Investigation". It scored 6.3/10 based on 887 votes. Directed by William Friedkin and written by Dustin Lee Abraham, Naren Shankar, it aired on 4/2/2009. This episode scored 0.4 points lower than the second lowest rated, "Rubbery Homicide".