7.7/10466 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.
Director: Alec Smight
Writer: Don McGill, Christopher Barbour
7.2/10413 votes#2 - Buzz Kill
Season 15 Episode 2 - Aired 10/5/2014
The CSI team investigates a robbery and fatal shooting at a medical marijuana shop.
Director: N/A
Writer: Andrew Dettmann
7.6/10425 votes#3 - 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.
Director: Louis Shaw Milito
Writer: Tom Mularz
6.8/10432 votes#4 - The Book of Shadows
Season 15 Episode 4 - Aired 10/19/2014
A chemistry teacher's science experiment goes horribly wrong.
Director: Brad Tanenbaum
Writer: Gavin Harris
7.7/10445 votes#5 - 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.
Director: N/A
Writer: Melissa R. Byer, Treena Hancock
7.5/10421 votes#6 - The Twin Paradox
Season 15 Episode 6 - Aired 11/16/2014
Frustration mounts for the CSI team as another victim surfaces who is linked to the Gig Harbor Killer.
Director: Philip Conserva
Writer: Christopher Barbour
7.0/10400 votes#7 - Road to Recovery
Season 15 Episode 7 - Aired 11/23/2014
The CSI team take a look into the death of a woman who has been drinking and taking drugs in a pool at a rehab facility.
Director: Alec Smight
Writer: Andrew Dettmann
6.7/10405 votes#8 - Rubbery Homicide
Season 15 Episode 8 - Aired 11/30/2014
The CSI team find themselves taking a look into the kinky world of “rubber dolls” as they investigate the murder of a man stabbed in an alley.
Director: Louis Shaw Milito
Writer: Tom Mularz
7.2/10385 votes#9 - Let's Make a Deal
Season 15 Episode 9 - Aired 12/7/2014
The CSI team investigates a murder at Clark County jail after an inmate stumbles upon a body while running away from officers.
Director: Brad Tanenbaum
Writer: Elizabeth Devine
7.2/10410 votes#10 - 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.
Director: N/A
Writer: Gavin Harris
7.2/10406 votes#11 - 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.
Director: Kevin Bray
Writer: M. Scott Veach
7.7/10434 votes#12 - 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.
Director: Philip Conserva
Writer: Melissa R. Byer, Treena Hancock
7.7/10414 votes#13 - The Greater Good
Season 15 Episode 13 - Aired 1/4/2015
The CSI team continues their investigation into the kidnappings and murders of young women when they learn their main suspect, Jared Briscoe, is released from jail due to lack of evidence.
Director: Alec Smight
Writer: Christopher Barbour
7.3/10388 votes#14 - 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.
Director: Claudia Yarmy
Writer: Tom Mularz
7.2/10383 votes#15 - 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.
Director: Philip Conserva
Writer: Andrew Dettmann
7.2/10375 votes#16 - 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.
Director: Timothy Beavers
Writer: Gavin Harris
7.6/10402 votes#17 - Under My Skin
Season 15 Episode 17 - Aired 2/15/2015
The CSI team investigates a murder with ties to two teenaged kidnapped girls.
Director: Alrick Riley
Writer: Melissa R. Byer, Treena Hancock
7.9/10489 votes#18 - 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.
Director: Alec Smight
Writer: Christopher Barbour
The Best Episodes of CSI: Crime Scene Investigation Season 15
Every episode of CSI: Crime Scene Investigation Season 15 ranked from best to worst. Discover the Best Episodes of CSI: Crime Scene Investigation Season 15!
A Las Vegas team of forensic investigators are trained to solve criminal cases by scouring the crime scene, collecting irrefutable evidence and finding the missing...
Genres:CrimeDramaMystery
Network:CBS
Season 15 Ratings Summary
"The CSI Effect" is the best rated episode of "CSI: Crime Scene Investigation" season 15. It scored 7.7/10 based on 466 votes. Directed by Alec Smight and written by Don McGill, Christopher Barbour, it aired on 9/28/2014. This episode is rated 0.5 points higher than the second-best, "Buzz Kill".