Season 15
2014 · 18 episodes · 12h 52m in all · 7.2/10
In the long-running procedural's 15th season, the team faces a slew of challenges, including quarantines, car bombs and a jailhouse murder.

Episodes

1. The CSI Effect
28 Sept 2014 · 43 min · 7.6/10
Finlay must deal with a bomb planted in her car. Russell gets a call from someone claiming to be the Gig Harbor killer.

2. Buzz Kill
5 Oct 2014 · 43 min · 7.4/10
The CSI team investigates a robbery and fatal shooting at a medical marijuana shop.

3. Bad Blood
12 Oct 2014 · 43 min · 7.6/10
Sara and Greg are quarantined after responding to a crime scene that’s contaminated with a deadly pathogen.

4. The Book of Shadows
19 Oct 2014 · 43 min · 7.3/10
A chemistry teacher's science experiment goes horribly wrong.

5. Girls Gone Wilder
9 Nov 2014 · 42 min · 7.7/10
Morgan, Sara and Fin try to relax at a forensics conference when a mass shooting occurs on site.

6. The Twin Paradox
16 Nov 2014 · 43 min · 6.3/10
Frustration mounts for the CSI team as another victim surfaces who is linked to the Gig Harbor Killer.

7. Road to Recovery
23 Nov 2014 · 42 min · 7.4/10
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.

8. Rubbery Homicide
30 Nov 2014 · 43 min · 6.2/10
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.

9. Let's Make a Deal
7 Dec 2014 · 43 min · 7.6/10
The CSI team investigates a murder at Clark County jail after an inmate stumbles upon a body while running away from officers.

10. Dead Rails
14 Dec 2014 · 42 min · 7.3/10
The CSI team investigates the bizarre death of a man who was killed not once, but twice.

11. Angle of Attack
21 Dec 2014 · 43 min · 6.4/10
The CSIs' investigation of the victim of an apparent hit and run leads them into the world of aeronautics.

12. Dead Woods
28 Dec 2014 · 43 min · 7.6/10
The CSI team reopens a 10-year-old murder/suicide case when the sole survivor claims her accused father was innocent.

13. The Greater Good
4 Jan 2015 · 44 min · 7.5/10
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.

14. Merchants of Menace
25 Jan 2015 · 43 min · 7.8/10
The CSI team investigates a homicide at a convention for people who collect macabre murder memorabilia.

15. Hero to Zero
25 Jan 2015 · 44 min · 7.4/10
The CSI team investigates the murder of a young victim dressed as a superhero.

16. The Last Ride
27 Jan 2015 · 43 min · 7.2/10
The CSI team investigates a death involving a vintage Rolls Royce and a chrome-covered victim.

17. Under My Skin
15 Feb 2015 · 42 min · 6.9/10
The CSI team investigates a murder with ties to two teenaged kidnapped girls.

18. The End Game
15 Feb 2015 · 43 min · 6.5/10
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.
CSI: Crime Scene Investigation Season 15: quick answers
How many episodes are in CSI: Crime Scene Investigation Season 15?
Season 15 of CSI: Crime Scene Investigation has 18 episodes, about 13 hours in total.
When did CSI: Crime Scene Investigation Season 15 come out?
Season 15 premiered on 28 Sept 2014.
What is the best episode of CSI: Crime Scene Investigation Season 15?
By viewer score, episode 14, “Merchants of Menace”, at 7.8/10.