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The Worst Episodes of CSI: Vegas

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

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Facing an existential threat that could bring down the Crime Lab, a brilliant team of forensic investigators must welcome back old friends and deploy new techniques to preserve and serve justice in Sin City.

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  1. #1 Worst Episode
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    CSI: Vegas Season 2 Episode 4 - Koala
    6.9/10(485 votes)

    S2:E4

    When three masked assailants invade a home and murder an entire family, including a pregnant woman, the CSIs are called to the scene to investigate. Catherine leads the team through the emotional case, which intensifies her own longing to reconnect with her estranged daughter, Lindsey.

    Director:Claudia Yarmy
    Writer:Anthony E. Zuiker

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  2. CSI: Vegas Season 2 Episode 1 - She's Gone
    7.1/10(474 votes)

    S2:E1

    The CSIs investigate the murder of a dominatrix found near her secret sex dungeon.

    Director:Kenneth Fink
    Writer:Jason Tracey

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  3. CSI: Vegas Season 2 Episode 3 - Story of a Gun
    7.1/10(410 votes)

    S2:E3

    The CSI team investigates after a group of teens discover a dead woman behind the wheel of an abandoned car in a Nevada ghost town.

    Director:Antonio Negret
    Writer:Safia M. Dirie

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  4. CSI: Vegas Season 2 Episode 7 - Burned
    7.1/10(369 votes)

    S2:E7

    A mysterious bigfoot-like footprint found near a crime scene puzzles the CSI team as they work to uncover who - or what - killed a father and son.

    Director:Benny Boom
    Writer:Tom Szentgyorgyi

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  5. CSI: Vegas Season 2 Episode 6 - There’s the Rub
    7.2/10(370 votes)

    S2:E6

    Max leads her team to investigate the death of a prestigious Michelin-starred chef found hanging in his restaurant’s walk-in freezer.

    Director:Mario Van Peebles
    Writer:Jordana Lewis Jaffe

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  6. CSI: Vegas Season 2 Episode 12 - When the Dust Settles
    7.2/10(357 votes)

    S2:E12

    Catherine’s day off with her granddaughter gets interrupted when a woman wakes up from a four-year coma and remembers details from the night her sister died.

    Director:Rachel Raimist
    Writer:Jordana Lewis Jaffe

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  7. CSI: Vegas Season 2 Episode 19 - Dead Memories
    7.2/10(308 votes)

    S2:E19

    When wrongly accused former suspect Gene Farrow enters the Crime Lab covered in blood, wielding a cleaver and looking for Allie Rajan, the CSI team investigates his peculiar story about a macabre party with a fatal ending.

    Director:Pam Veasey
    Writer:Craig S. O'Neill

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  8. CSI: Vegas Season 2 Episode 20 - Shell Game
    7.2/10(309 votes)

    S2:E20

    The CSI team investigates a case where an ambitious investigative reporter is found dead at a peanut factory. Also, everyone in the crime lab buzzes over who Max will promote to day shift supervisor.

    Director:Omar Madha
    Writer:Marisa Tam

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  9. CSI: Vegas Season 2 Episode 5 - In Harm's Way
    7.3/10(398 votes)

    S2:E5

    After all the guests attending an upscale fundraising soiree for the science department at a local university fall ill, the CSI team gears up to investigate. Also, Catherine enlists Grace’s roommate to help her find clues after Grace disappears.

    Director:Lin Oeding
    Writer:Graham Thiel

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  10. CSI: Vegas Season 2 Episode 13 - Boned
    7.3/10(346 votes)

    S2:E13

    The CSI team investigates the death of an archaeologist found near the breakthrough discovery of an ancient civilization. Also, Max locates another cryptic note written in familiar silver ink after a mentally distressed woman kills her attacker.

    Director:Erin Feeley
    Writer:Dave Metzger

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  11. CSI: Vegas Season 2 Episode 18 - Fractured
    7.3/10(315 votes)

    S2:E18

    The CSI team investigates a bomb that detonated during a masquerade party for wealthy investors at the site of a new casino.

    Director:Gina Lamar
    Writers:Safia M. Dirie, Liz Castricone

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  12. CSI: Vegas Season 2 Episode 21 - Dying Words
    7.3/10(325 votes)

    S2:E21

    The CSI team investigates a murder case that hits close to home for Folsom. When he is forced to sit this investigation out, he does his own digging with help from Trey. Worried Folsom will do something he regrets if he gets his hands on the killer, the team find themselves racing to arrest the suspect first.

    Director:Jason Tracey
    Writer:Jason Tracey

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  13. CSI: Vegas Season 3 Episode 3 - Rat Packed
    7.3/10(275 votes)

    S3:E3

    The CSI team is called to investigate when the bodies of Frank Sinatra and Joey Bishop impersonators are discovered behind the drywall of a home construction project. Also, Folsom must face the review board about the future of his career.

    Director:Omar Madha
    Writer:Marisa Tam

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  14. CSI: Vegas Season 1 Episode 3 - Under the Skin
    7.4/10(617 votes)

    S1:E3

    Grissom and Sara's investigation into charges against David Hodges heats up as Internal Affairs joins the hunt. Also, pressure rises for the CSIs when a video game developer's body is found floating in a fountain before a huge gaming tournament.

    Director:Nathan Hope
    Writer:Craig S. O'Neill

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  15. CSI: Vegas Season 1 Episode 4 - Long Pig
    7.4/10(592 votes)

    S1:E4

    The CSI team investigates when a body is dug up in the luau pit of a Hawaiian-themed hotel. Also, Internal Affairs begins to question Grissom and Sara's return to the crime lab.

    Director:Nicole Cummins-Rubio
    Writer:Safia M. Dirie

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  16. CSI: Vegas Season 1 Episode 5 - Let the Chips Fall
    7.4/10(573 votes)

    S1:E5

    As Grissom and Sara close in on who framed Hodges, the CSI team investigates a lock room murder mystery at 30,000 feet, when a cargo plane lands autonomously at McCarran Airport and everyone on board has been killed.

    Director:Kenneth Fink
    Writer:Graham Thiel

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  17. CSI: Vegas Season 1 Episode 7 - In the Blood
    7.4/10(513 votes)

    S1:E7

    An abandoned horse covered in blood leads the CSI team to a halfway house for convicted murderers. Also, Grissom and Sara begin to circle their prime suspect in the David Hodges case.

    Director:Christine Moore
    Writer:Marisa Tam

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  18. CSI: Vegas Season 2 Episode 2 - The Painted Man
    7.4/10(418 votes)

    S2:E2

    As Halloween descends on Sin City, the CSIs investigate when a creepy mannequin prop inside a popular haunted house turns out to be a real dead body. Also, Catherine enlists the help of Folsom to search for her friend who disappeared.

    Director:Sam Hill
    Writer:Craig S. O'Neill

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  19. CSI: Vegas Season 2 Episode 8 - Grace Note
    7.4/10(369 votes)

    S2:E8

    Catherine’s frustration intensifies when a lead suspect in Grace’s disappearance is found murdered. The team exhausts all their skills to figure out who killed the suspect, and if his death will lead them to Grace.

    Director:Gina Lamar
    Writers:Siena Butterfield, Erika Vázquez

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  20. CSI: Vegas Season 2 Episode 9 - In the White Room
    7.4/10(349 votes)

    S2:E9

    When the bodies of two Regency Romantic Festival attendees are discovered, the CSI team uncovers a shocking link between their murders and previous cases.

    Director:Kenneth Fink
    Writers:Graham Thiel, Marisa Tam

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  21. CSI: Vegas Season 2 Episode 14 - Third Time's the Charm
    7.4/10(339 votes)

    S2:E14

    The CSIs investigate the mysterious death of a competitive eating contestant, and Chavez partners with Allie to prove where the mysterious silver ink notes have been coming from.

    Director:Eduardo Sánchez
    Writer:Tom Szentgyorgyi

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  22. CSI: Vegas Season 3 Episode 1 - The Reaper
    7.4/10(319 votes)

    S3:E1

    With their respected colleague Josh Folsom under arrest for the death of Kahn Schefter – the man responsible for killing Folsom’s mother – the CSI team combs through every crumb of forensic evidence to determine his innocence or guilt.

    Director:Brad Tanenbaum
    Writers:Jason Tracey, Craig S. O'Neill

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  23. CSI: Vegas Season 3 Episode 2 - Scar Tissue
    7.4/10(288 votes)

    S3:E2

    With a new piece of evidence at play, Catherine Willows reopens an investigation from her past that never got solved after a violent attack left her hospitalized. Internal affairs begins questioning Folsom.

    Director:Nicole Cummins-Rubio
    Writer:Jordana Lewis Jaffe

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  24. CSI: Vegas Season 1 Episode 1 - Legacy
    7.5/10(888 votes)

    S1:E1

    An attack on Jim Brass kicks off a twisted conspiracy targeting the Las Vegas crime lab.

    Director:Uta Briesewitz
    Writer:Jason Tracey

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  25. CSI: Vegas Season 1 Episode 2 - Honeymoon in Vegas
    7.5/10(691 votes)

    S1:E2

    Gil Grissom and Sara Sidle come to the aid of a former colleague who is implicated in tampering with evidence. Maxine and the rest of the CSI team work the murder of a couple slain on their wedding day, following the evidence to the salacious underbelly of the Las Vegas elite.

    Director:Nathan Hope
    Writer:Jason Tracey

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Worst Episodes Summary

"Koala" is the worst rated episode of "CSI: Vegas". It scored 6.9/10 based on 485 votes. Directed by Claudia Yarmy and written by Anthony E. Zuiker, it aired on 10/20/2022. This episode scored 0.2 points lower than the second lowest rated, "She's Gone".