The BEST episodes of CSI: Crime Scene Investigation season 9

Every episode of CSI: Crime Scene Investigation season 9, ranked from best to worst by thousands of votes from fans of the show. The best episodes of CSI: Crime Scene Investigation season 9!

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'.

Last Updated: 9/9/2024Network: CBSStatus: Ended
If I Had a Hammer
star
7.87
1031 votes

#1 - If I Had a Hammer

Season 9 - Episode 21 - Aired 4/23/2009

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.

Directors: Brad Tanenbaum
Watch Now:AmazonApple TV
For Warrick (2)
star
7.86
1042 votes

#2 - For Warrick (2)

Season 9 - Episode 1 - Aired 10/9/2008

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

Directors: Richard J. Lewis
Watch Now:AmazonApple TV
One to Go (2)
star
7.77
1042 votes

#3 - One to Go (2)

Season 9 - Episode 10 - Aired 1/15/2009

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.

Directors: Alec Smight
Watch Now:AmazonApple TV
Turn, Turn, Turn
star
7.60
1172 votes

#4 - Turn, Turn, Turn

Season 9 - Episode 16 - Aired 3/5/2009

When the CSIs are called to a murder scene at a familiar motel, Nick is thrown for a loop as he pieces together three separate murder investigations that all took place at the same establishment over the course of a year.

Directors: Richard J. Lewis
Writer: Tom Mularz
Watch Now:Apple TV
The Gone Dead Train
star
7.60
997 votes

#5 - The Gone Dead Train

Season 9 - Episode 22 - Aired 4/30/2009

A series of indeterminate deaths test the deductive powers of the CSI team, who fear that a public health emergency may be in the offing. Meanwhile, a friendly rivalry over who will win an upcoming bikini contest takes a deadly turn...

Directors: Alec Smight
Watch Now:Apple TV
All In
star
7.51
1293 votes

#6 - All In

Season 9 - Episode 24 - Aired 5/14/2009

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.

Directors: Paris Barclay
Watch Now:Apple TV
Hog Heaven
star
7.50
995 votes

#7 - Hog Heaven

Season 9 - Episode 23 - Aired 5/7/2009

A band of vicious bikers is given the go-ahead to take down one of their own when it's discovered that the guy is an undercover cop.

Writer: David Rambo
Watch Now:Apple TV
Leave Out All the Rest
star
7.48
798 votes

#8 - Leave Out All the Rest

Season 9 - Episode 5 - Aired 11/6/2008

Grissom asks Lady Heather for help when the team investigates a case connected to the world of domination.

Directors: Kenneth Fink
Watch Now:Apple TV
Let It Bleed
star
7.48
974 votes

#9 - Let It Bleed

Season 9 - Episode 4 - Aired 10/30/2008

The team investigates the death of a woman who turns out to be the daughter of a wanted criminal.

Directors: Brad Tanenbaum
Watch Now:Apple TV
Art Imitates Life
star
7.46
836 votes

#10 - Art Imitates Life

Season 9 - Episode 3 - Aired 10/23/2008

After several victims are found dead while performing normal, everyday activities, the CSIs must find the reason as to why each of the victims remain upright after dying.

Directors: Kenneth Fink
Writer: Evan Dunsky
Watch Now:Apple TV
19 Down... (1)
star
7.46
921 votes

#11 - 19 Down... (1)

Season 9 - Episode 9 - Aired 12/11/2008

When the team discovers a connection between a new murder and a serial killer, Grissom secretly joins the class of a criminal pathologist to help crack the case.

Directors: Kenneth Fink
Watch Now:Apple TV
The Happy Place
star
7.42
914 votes

#12 - The Happy Place

Season 9 - Episode 2 - Aired 10/16/2008

A hypnotist bank robber becomes the prime suspect in a murder investigation.

Directors: Nathan Hope
Watch Now:Apple TV
A Space Oddity
star
7.41
930 votes

#13 - A Space Oddity

Season 9 - Episode 20 - Aired 4/16/2009

When the producer of the reboot of a classic SF show is murdered at a Las Vegas science-fiction convention attended by both Hodges and Wendy (both, unknown to each other, fans of the original show), they find a connection with each other as the team investigates the crime.

Directors: Michael Nankin
Watch Now:Apple TV
The Descent of Man
star
7.40
958 votes

#14 - The Descent of Man

Season 9 - Episode 19 - Aired 4/9/2009

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.

Directors: Chris Leitch
Writer: Evan Dunsky
Watch Now:Apple TV
Woulda, Coulda, Shoulda
star
7.33
940 votes

#15 - Woulda, Coulda, Shoulda

Season 9 - Episode 7 - Aired 11/20/2008

The murder of a mother and her child seems to be connected to a murder case from 12 years earlier.

Directors: Brad Tanenbaum
Watch Now:Apple TV
Kill Me If You Can
star
7.22
1161 votes

#16 - Kill Me If You Can

Season 9 - Episode 15 - Aired 2/26/2009

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

Directors: Nathan Hope
Watch Now:Apple TV
Mascara
star
7.18
1075 votes

#17 - Mascara

Season 9 - Episode 18 - Aired 4/2/2009

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

Directors: William Friedkin
Watch Now:Apple TV
No Way Out
star
7.17
1074 votes

#18 - No Way Out

Season 9 - Episode 17 - Aired 3/12/2009

Langston and Riley are taken hostage during the aftermath of a shootout in an usually calm Las Vegas community.

Directors: Alec Smight
Watch Now:Apple TV
Young Man With a Horn
star
7.10
877 votes

#19 - Young Man With a Horn

Season 9 - Episode 8 - Aired 12/4/2008

A popular young singer is found dead outside an infamous Las Vegas nightclub, leading the CSI team to uncover a link between that crime and a murder 50 years earlier.

Directors: Jeffrey G. Hunt
Writer: David Rambo
Watch Now:Apple TV
Say Uncle
star
6.98
791 votes

#20 - Say Uncle

Season 9 - Episode 6 - Aired 11/13/2008

The team has a hard time investigating a shooting in Koreatown when none of the witnesses will talk about the crime.

Directors: Richard J. Lewis
Watch Now:Apple TV
Miscarriage of Justice
star
6.98
1098 votes

#21 - Miscarriage of Justice

Season 9 - Episode 14 - Aired 2/19/2009

While Langston testifies in the trial of a respected Congressman, new evidence sends the CSIs back to the lab to reopen the investigation.

Watch Now:Apple TV
Disarmed And Dangerous
star
6.92
1117 votes

#22 - Disarmed And Dangerous

Season 9 - Episode 12 - Aired 1/29/2009

The detectives search for the murderer of FBI agent Billy Ray Jackson, only Billy Ray isn't really an FBI agent, and neither are his impressively capable partners, Miles Baker and Emma Solomon.

Directors: Kenneth Fink
Watch Now:Apple TV
The Grave Shift
star
6.88
916 votes

#23 - The Grave Shift

Season 9 - Episode 11 - Aired 1/22/2009

The first day on the job for Dr. Langston turns from bad to worse when a simple burglary case quickly overlaps with a complicated arson and homicide case.

Directors: Richard J. Lewis
Watch Now:Apple TV
Deep Fried & Minty Fresh
star
6.76
1079 votes

#24 - Deep Fried & Minty Fresh

Season 9 - Episode 13 - Aired 2/12/2009

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.

Directors: Alec Smight
Watch Now:Apple TV