The BEST Episodes of CSI: Crime Scene Investigation

Every episode ever - ranked by fan votes!

Last Updated: Dec 4, 2019

Network: CBS

CSI is a crime drama in which the characters use cutting-edge forensic tools to examine the evidence to solve the case. Rather than asking 'whodunnit' (investigating witnesses/suspects), CSI explores the 'howdunnit'.

Grave Danger (2)

#1 - Grave Danger (2)

Season 5 - Episode 25

The CSI teams come together to save one of their own when they learn one team member has been kidnapped and buried alive, and now they must find him before he suffocates under five feet of dirt.

star 8.56
108 votes
Writers: Anthony E. Zuiker, Carol Mendelsohn, Naren Shankar
Grave Danger (1)

#2 - Grave Danger (1)

Season 5 - Episode 24

The CSI teams come together to save one of their own when they learn one team member has been kidnapped and buried alive, and now they must find him before he suffocates under five feet of dirt.

star 8.54
166 votes
Writers: Anthony E. Zuiker, Carol Mendelsohn, Naren Shankar
Ms. Willows Regrets (1)

#3 - Ms. Willows Regrets (1)

Season 12 - Episode 11

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.

star 8.48
201 votes
Writers: Christopher Barbour, Don McGill
Willows in the Wind (2)

#4 - Willows in the Wind (2)

Season 12 - Episode 12

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

star 8.47
200 votes
Directors: Alec Smight
Writers: Christopher Barbour, Richard Catalani
Homecoming (1)

#5 - Homecoming (1)

Season 12 - Episode 22

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.

star 8.38
214 votes
Directors: Alec Smight
Writers: Christopher Barbour, Don McGill
Seeing Red

#6 - Seeing Red

Season 12 - Episode 14

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

star 8.29
196 votes
Directors: Frank Waldeck
Writers: Christopher Barbour, Tom Mularz
Stealing Home

#7 - Stealing Home

Season 12 - Episode 15

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.

star 8.28
184 votes
Directors: Alec Smight
Writers: Melissa R. Byer, Treena Hancock
For Warrick (2)

#8 - For Warrick (2)

Season 9 - Episode 1

After Warrick is shot in a Las Vegas alley, the CSI team comes together to deal with the aftermath.

star 8.25
197 votes
Writers: Allen MacDonald, Carol Mendelsohn, Richard J. Lewis
One to Go (2)

#9 - One to Go (2)

Season 9 - Episode 10

The CSI team is shocked and saddened when, after working with Dr. Raymond Langston on the 'Dick & Jane' murders, Grissom announces that his time as a CSI has come to an end and offers Langston a permanent position on the CSI team.

star 8.25
181 votes
Directors: Alec Smight
Writers: Carol Mendelsohn, Naren Shankar
Tressed to Kill

#10 - Tressed to Kill

Season 12 - Episode 13

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.

star 8.25
190 votes
Directors: Brad Tanenbaum
Writers: Ed Whitmore
Split Decisions

#11 - Split Decisions

Season 12 - Episode 19

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.

star 8.24
190 votes
Directors: Brad Tanenbaum
Writers: Michael Daley, Richard Catalani
The Unusual Suspect

#12 - The Unusual Suspect

Season 6 - Episode 18

When a student is arrested and tried for the murder of a popular high-school girl, the suspect's 12-year-old sister confesses to the crime. This results in the judge giving the prosecution 72 hours to re-examine the evidence before the jury delivers its verdict.

star 8.24
129 votes
Directors: Alec Smight
Writers: Allen MacDonald
Gum Drops

#13 - Gum Drops

Season 6 - Episode 5

Nick takes the lead on a case where in the house a family of four, three pools of blood are found. Nick thinks that the little girl may still be alive, but Sara is doubtful, thinking that Nick's recent near-death experience is affecting his judgement.

star 8.23
154 votes
Writers: Sarah Goldfinger
CSI Down

#14 - CSI Down

Season 12 - Episode 5

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

star 8.22
206 votes
Directors: Jeffrey G. Hunt
Writers: Tom Mularz
Malice in Wonderland

#15 - Malice in Wonderland

Season 12 - Episode 18

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

star 8.21
196 votes
Directors: Alec Smight
Writers: Joe Pokaski
For Gedda (1)

#16 - For Gedda (1)

Season 8 - Episode 17

Catherine comforts Warrick when he is accused of murdering a famous Vegas gangster and even he is uncertain of his guilt or innocence.

star 8.21
144 votes
Directors: Kenneth Fink
Writers: Dustin Lee Abraham, Richard Catalani
Skin in the Game (1)

#17 - Skin in the Game (1)

Season 13 - Episode 22

As Russell and his team investigate a series of murders with disturbing similarities to the sins in "Dante's Inferno", one of their own confronts peril on a dangerous undercover mission to get close to the killer.

star 8.21
296 votes
Directors: Alec Smight
Writers: Christopher Barbour, Don McGill
Targets of Obsession

#18 - Targets of Obsession

Season 11 - Episode 15

Jason McCann contacts Nick and says that he's in imminent danger. Langston has a courtroom war of nerves against serial killer Nate Haskell. A bomb tech disarms a bomb attached to Nick's house. But when he accompanies Nick, Catherine and Vartann to a warehouse with multiple booby-traps per square inch, Kip has to really earn his paycheck to find a safe way out for the CSI team.

star 8.20
152 votes
Directors: Alec Smight
Writers: Bradley Thompson, David Weddle
In a Dark, Dark House (3)

#19 - In a Dark, Dark House (3)

Season 11 - Episode 22

After years of pursuit and a countless number of murders, Langston comes face-to-face with serial killer Nate Haskell inside the house where his killing spree began.

star 8.20
167 votes
Directors: Jeffrey G. Hunt
Writers: Tom Mularz
CSI Unplugged

#20 - CSI Unplugged

Season 12 - Episode 16

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

star 8.17
192 votes
Directors: Jeffrey G. Hunt
Writers: Gavin Harris
Built to Kill (2)

#21 - Built to Kill (2)

Season 7 - Episode 2

Grissom investigates the murder of an aging rockstar who is found dead in his kitchen with an exact replica of the crime scene on the counter next to him. Catherine probes her own abduction and learns that someone may be targeting her family.

star 8.16
154 votes
Directors: Kenneth Fink
Writers: Sarah Goldfinger
House of Hoarders

#22 - House of Hoarders

Season 11 - Episode 5

The CSI team investigate a murder at the home of Marta, a "level 5 hoarder" whose home is stacked high with possessions and garbage--and more than one dead body

star 8.15
141 votes
Directors: Alec Smight
Writers: Christopher Barbour
Cello and Goodbye (2)

#23 - Cello and Goodbye (2)

Season 11 - Episode 21

Langston becomes more determined than ever to track down Nate Haskell after discovering that he's kidnapped his ex-wife, Gloria.

star 8.14
168 votes
Directors: Alec Smight
Writers: Christopher Barbour, Don McGill
Altered Stakes

#24 - Altered Stakes

Season 12 - Episode 20

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.

star 8.14
187 votes
Directors: David Semel
Writers: Elizabeth Devine
Crime After Crime

#25 - Crime After Crime

Season 12 - Episode 8

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

star 8.14
192 votes
Directors: Paul McCrane
Writers: Tom Mularz