Season 15

2014 · 18 episodes

In the long-running procedural's 15th season, the team faces a slew of challenges, including quarantines, car bombs and a jailhouse murder.

1The CSI EffectFinlay must deal with a bomb planted in her car. Russell gets a call from someone claiming to be the Gig Harbor killer.
2Buzz KillThe CSI team investigates a robbery and fatal shooting at a medical marijuana shop.
3Bad BloodSara and Greg are quarantined after responding to a crime scene that’s contaminated with a deadly pathogen.
4The Book of ShadowsA chemistry teacher's science experiment goes horribly wrong.
5Girls Gone WilderMorgan, Sara and Fin try to relax at a forensics conference when a mass shooting occurs on site.
6The Twin ParadoxFrustration mounts for the CSI team as another victim surfaces who is linked to the Gig Harbor Killer.
7Road to RecoveryThe 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.
8Rubbery HomicideThe 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.
9Let's Make a DealThe CSI team investigates a murder at Clark County jail after an inmate stumbles upon a body while running away from officers.
10Dead RailsThe CSI team investigates the bizarre death of a man who was killed not once, but twice.
11Angle of AttackThe CSIs' investigation of the victim of an apparent hit and run leads them into the world of aeronautics.
12Dead WoodsThe CSI team reopens a 10-year-old murder/suicide case when the sole survivor claims her accused father was innocent.
13The Greater GoodThe 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.
14Merchants of MenaceThe CSI team investigates a homicide at a convention for people who collect macabre murder memorabilia.
15Hero to ZeroThe CSI team investigates the murder of a young victim dressed as a superhero.
16The Last RideThe CSI team investigates a death involving a vintage Rolls Royce and a chrome-covered victim.
17Under My SkinThe CSI team investigates a murder with ties to two teenaged kidnapped girls.
18The End GameThe 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.

Episodes