The BEST episodes of CSI: Crime Scene Investigation season 15

Every episode of CSI: Crime Scene Investigation season 15, ranked from best to worst by thousands of votes from fans of the show. The best episodes of CSI: Crime Scene Investigation season 15!

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: 12/4/2024Network: CBSStatus: Ended
The CSI Effect
star
7.81
969 votes

#1 - The CSI Effect

Season 15 - Episode 1 - Aired 9/28/2014

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

Directors: Alec Smight
Watch Now:AmazonApple TV
Dead Rails
star
7.70
702 votes

#2 - Dead Rails

Season 15 - Episode 10 - Aired 12/14/2014

The CSI team investigates the bizarre death of a man who was killed not once, but twice.

Directors: Frank Waldeck
Writer: Gavin Harris
Watch Now:AmazonApple TV
The End Game
star
7.68
651 votes

#3 - The End Game

Season 15 - Episode 18 - Aired 2/15/2015

The CSI unit faces the final showdown with the Gig Harbor killer whose motives are finally revealed. Meanwhile, Nick Stokes makes a decision that will affect the entire team moving forward.

Directors: Alec Smight
Watch Now:AmazonApple TV
The Greater Good
star
7.65
483 votes

#4 - The Greater Good

Season 15 - Episode 13 - Aired 1/4/2015

The CSI team continues its investigation into the kidnappings and murders of young women when it learns its main suspect, Jared Briscoe, is released from jail due to lack of evidence.

Directors: Alec Smight
Watch Now:AmazonApple TV
The Twin Paradox
star
7.63
834 votes

#5 - The Twin Paradox

Season 15 - Episode 6 - Aired 11/16/2014

When evidence indicates that the Gig Harbour killer is responsible for yet another death, members of the team become frustrated.

Directors: Phil Conserva
Watch Now:Apple TV
Buzz Kill
star
7.62
891 votes

#6 - Buzz Kill

Season 15 - Episode 2 - Aired 10/5/2014

The CSI team investigates a robbery and fatal shooting at a medical marijuana shop.

Directors: Frank Waldeck
Watch Now:Apple TV
Bad Blood
star
7.60
904 votes

#7 - Bad Blood

Season 15 - Episode 3 - Aired 10/12/2014

Sara and Greg are quarantined after responding to a crime scene that’s contaminated with a deadly pathogen.

Writer: Tom Mularz
Watch Now:Apple TV
Girls Gone Wilder
star
7.56
911 votes

#8 - Girls Gone Wilder

Season 15 - Episode 5 - Aired 11/9/2014

Morgan, Sara and Fin try to relax at a forensics conference when a mass shooting occurs on site.

Directors: Frank Waldeck
Watch Now:Apple TV
The Book of Shadows
star
7.50
791 votes

#9 - The Book of Shadows

Season 15 - Episode 4 - Aired 10/19/2014

A chemistry teacher's science experiment goes horribly wrong.

Directors: Brad Tanenbaum
Writer: Gavin Harris
Watch Now:Apple TV
Let's Make a Deal
star
7.48
756 votes

#10 - Let's Make a Deal

Season 15 - Episode 9 - Aired 12/7/2014

The CSIs investigate a murder at the Clark County jail after an inmate stumbles upon a body while running away from officers.

Directors: Brad Tanenbaum
Watch Now:Apple TV
The Last Ride
star
7.43
545 votes

#11 - The Last Ride

Season 15 - Episode 16 - Aired 1/27/2015

The CSI team investigates a death involving a vintage Rolls Royce and a chrome-covered victim.

Directors: Tim Beavers
Writer: Gavin Harris
Watch Now:Apple TV
Angle of Attack
star
7.41
661 votes

#12 - Angle of Attack

Season 15 - Episode 11 - Aired 12/21/2014

The CSIs' investigation of the victim of an apparent hit and run leads them into the world of aeronautics.

Directors: Kevin Bray
Watch Now:Apple TV
Rubbery Homicide
star
7.35
700 votes

#13 - Rubbery Homicide

Season 15 - Episode 8 - Aired 11/30/2014

The CSIs delve into the kinky world of 'rubber dolls' when they investigate the murder of a man who was stabbed in an alley.

Writer: Tom Mularz
Watch Now:Apple TV
Road to Recovery
star
7.33
760 votes

#14 - Road to Recovery

Season 15 - Episode 7 - Aired 11/23/2014

The team investigates the death of a woman at a rehab facility.

Directors: Alec Smight
Watch Now:Apple TV
Dead Woods
star
7.32
548 votes

#15 - Dead Woods

Season 15 - Episode 12 - Aired 12/28/2014

The CSI team reopens a 10-year-old murder/suicide case when the sole survivor claims her accused father was innocent.

Directors: Phil Conserva
Watch Now:Apple TV
Under My Skin
star
7.29
611 votes

#16 - Under My Skin

Season 15 - Episode 17 - Aired 2/15/2015

The CSI team investigates a murder with ties to two teenaged kidnapped girls.

Directors: Alrick Riley
Watch Now:Apple TV
Merchants of Menace
star
7.22
528 votes

#17 - Merchants of Menace

Season 15 - Episode 14 - Aired 1/25/2015

The CSI team investigates a homicide at a convention for people who collect macabre murder memorabilia.

Directors: Claudia Yarmi
Writer: Tom Mularz
Watch Now:Apple TV
Hero to Zero
star
7.22
538 votes

#18 - Hero to Zero

Season 15 - Episode 15 - Aired 1/25/2015

The CSI team investigates the murder of a young victim dressed as a superhero.

Directors: Philip Conserva
Watch Now:Apple TV