The BEST Episodes of CSI: Crime Scene Investigation

Every episode ever - ranked by fan votes!

Last Updated: Mar 29, 2020

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 (1)

#1 - Grave Danger (1)

Season 5 - Episode 24 - Aired May 19, 2005

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 8.28
783 votes
Writers: Anthony E. Zuiker, Carol Mendelsohn, Naren Shankar
Grave Danger (2)

#2 - Grave Danger (2)

Season 5 - Episode 25 - Aired May 19, 2005

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 8.06
503 votes
Writers: Anthony E. Zuiker, Carol Mendelsohn, Naren Shankar
Frame by Frame

#3 - Frame by Frame

Season 14 - Episode 5 - Aired Oct 23, 2013

The team meets a blast from the past, with a chance to solve a cold case that has haunted the team for 14 years.

star 8.02
1,130 votes
Directors: Alec Smight
Writers: Gavin Harris
Girls Gone Wild

#4 - Girls Gone Wild

Season 14 - Episode 10 - Aired Nov 27, 2013

A spa weekend for Sara, Finlay, and Morgan turns into a murder investigation and missing persons case when Finlay disappears, as the CSI team must piece together what happened in detail to find her.

star 7.97
1,100 votes
Directors: Alec Smight
Writers: Melissa R. Byer, Treena Hancock
Homecoming (1)

#5 - Homecoming (1)

Season 12 - Episode 22 - Aired May 9, 2012

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 7.96
1,726 votes
Directors: Alec Smight
Writers: Christopher Barbour, Don McGill
Ms. Willows Regrets (1)

#6 - Ms. Willows Regrets (1)

Season 12 - Episode 11 - Aired Jan 18, 2012

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 7.96
1,826 votes
Writers: Christopher Barbour, Don McGill
Willows in the Wind (2)

#7 - Willows in the Wind (2)

Season 12 - Episode 12 - Aired Jan 25, 2012

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

star 7.96
1,882 votes
Directors: Alec Smight
Writers: Christopher Barbour, Richard Catalani
The Devil and D.B. Russell (2)

#8 - The Devil and D.B. Russell (2)

Season 14 - Episode 1 - Aired Sep 25, 2013

D.B. Russell leads the CSI team on a hunt to find Morgan and Ellie Brass following their kidnapping by a ritualistic killer.

star 7.94
1,367 votes
Directors: Alec Smight
Writers: Christopher Barbour, Don McGill
In a Dark, Dark House (3)

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

Season 11 - Episode 22 - Aired May 12, 2011

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 7.92
2,294 votes
Directors: Jeffrey G. Hunt
Writers: Tom Mularz
Cello and Goodbye (2)

#10 - Cello and Goodbye (2)

Season 11 - Episode 21 - Aired May 5, 2011

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

star 7.92
2,435 votes
Directors: Alec Smight
Writers: Christopher Barbour, Don McGill
Living Legend

#11 - Living Legend

Season 7 - Episode 9 - Aired Nov 23, 2006

The Cadillac of an infamous 1970’s mob boss turns up in a lake, even though he disappeared years ago. A photo of current murder victims also turns up in the car, so the team must determine whether this current murder spree is related to the missing gangster.

star 7.91
547 votes
Directors: Martha Coolidge
Writers: Douglas Petrie
Karma to Burn (2)

#12 - Karma to Burn (2)

Season 13 - Episode 1 - Aired Sep 26, 2012

All hell is breaking loose in the aftermath of the shooting of Eckley, the kidnapping of Russell's granddaughter, and Stokes quitting. Fin seems to have disappeared, causing the CSIs to be short-handed and struggling to keep up. Given the personal nature of the case, Russell becomes heavy-handed and reckless in his effort to dig up fresh leads.

star 7.91
1,783 votes
Directors: Alec Smight
Writers: Christopher Barbour, Don McGill
If I Had a Hammer

#13 - If I Had a Hammer

Season 9 - Episode 21 - Aired Apr 23, 2009

Catherine revisits one of the very first cases she worked as a CSI when the convicted felon in the murder claims the verdict was based on faulty evidence.

star 7.90
991 votes
Directors: Brad Tanenbaum
Writers: Allen MacDonald, Corinne Marrinan
The Accused Is Entitled

#14 - The Accused Is Entitled

Season 3 - Episode 2 - Aired Oct 3, 2002

Grissom and the team investigate the death of a young woman found in the hotel room of a popular actor.

star 7.90
940 votes
Directors: Kenneth Fink
Writers: Ann Donahue, Elizabeth Devine
Check In and Check Out

#15 - Check In and Check Out

Season 14 - Episode 9 - Aired Nov 20, 2013

The CSI team is called in to investigate the stabbing of a couple found at a local motel that is reminiscent of two incidents that occurred in the same room.

star 7.90
1,128 votes
Writers: Andrew Dettmann
Skin in the Game (1)

#16 - Skin in the Game (1)

Season 13 - Episode 22 - Aired May 15, 2013

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 7.89
1,333 votes
Directors: Alec Smight
Writers: Christopher Barbour, Don McGill
The Unusual Suspect

#17 - The Unusual Suspect

Season 6 - Episode 18 - Aired Mar 30, 2006

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 7.89
636 votes
Directors: Alec Smight
Writers: Allen MacDonald
For Warrick (2)

#18 - For Warrick (2)

Season 9 - Episode 1 - Aired Oct 9, 2008

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

star 7.89
1,011 votes
Writers: Allen MacDonald, Carol Mendelsohn, Richard J. Lewis
The CSI Effect

#19 - The CSI Effect

Season 15 - Episode 1 - Aired Sep 28, 2014

Finlay must deal with a bomb planted in her car. Russell gets a call from someone claiming to be the Gig Harbor killer.

star 7.88
959 votes
Directors: Alec Smight
Writers: Christopher Barbour, Don McGill
For Gedda (1)

#20 - For Gedda (1)

Season 8 - Episode 17 - Aired May 15, 2008

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

star 7.87
786 votes
Directors: Kenneth Fink
Writers: Dustin Lee Abraham, Richard Catalani
Built to Kill (2)

#21 - Built to Kill (2)

Season 7 - Episode 2 - Aired Sep 28, 2006

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 7.87
745 votes
Directors: Kenneth Fink
Writers: Sarah Goldfinger
Long Road Home

#22 - Long Road Home

Season 14 - Episode 17 - Aired Mar 12, 2014

The CSIs investigate the murder of a rock and roll groupie and the disappearance of a prostitute that both have ties to a mysterious band.

star 7.86
910 votes
Directors: Philip Conserva
Writers: Gavin Harris
Blood Drops

#23 - Blood Drops

Season 1 - Episode 7 - Aired Nov 17, 2000

When a teenager and her sister are the sole survivors of the gruesome murder of four members of one family, Grissom and his entire team investigate the crime. What initially looks like a bizarre cult murder becomes more disturbing when they discover the motive behind the massacre.

star 7.86
1,096 votes
Directors: Kenneth Fink
Writers: Ann Donahue
Boom

#24 - Boom

Season 1 - Episode 13 - Aired Feb 8, 2001

A bomb explodes in an office building, and the chief suspect is a security guard. Nick helps his prostitute friend again but, after giving in to his passion, she is found dead the next morning.

star 7.85
815 votes
Directors: Kenneth Fink
Writers: Ann Donahue, Carol Mendelsohn, Josh Berman
Seeing Red

#25 - Seeing Red

Season 12 - Episode 14 - Aired Feb 15, 2012

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

star 7.85
1,875 votes
Directors: Frank Waldeck
Writers: Christopher Barbour, Tom Mularz