18 episodes · first aired 2014-09-28
| Still | # | Title | Overview | Air date | Rating |
|---|---|---|---|---|---|
 | 01 | The CSI Effect 2014-09-28 | Finlay must deal with a bomb planted in her car. Russell gets a call from someone claiming to be the Gig Harbor killer. | 2014-09-28 | 7.8 |
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Ratings shown are community scores. Once OMDB is wired, these become per-episode IMDB values.
| 02 |
Buzz Kill 2014-10-05 |
The CSI team investigates a robbery and fatal shooting at a medical marijuana shop. |
| 2014-10-05 |
| 7.6 |
 | 03 | Bad Blood 2014-10-12 | Sara and Greg are quarantined after responding to a crime scene that’s contaminated with a deadly pathogen. | 2014-10-12 | 7.8 |
 | 04 | The Book of Shadows 2014-10-19 | A chemistry teacher's science experiment goes horribly wrong. | 2014-10-19 | 7.5 |
 | 05 | Girls Gone Wilder 2014-11-09 | Morgan, Sara and Fin try to relax at a forensics conference when a mass shooting occurs on site. | 2014-11-09 | 7.9 |
 | 06 | The Twin Paradox 2014-11-16 | Frustration mounts for the CSI team as another victim surfaces who is linked to the Gig Harbor Killer. | 2014-11-16 | 6.4 |
 | 07 | Road to Recovery 2014-11-23 | 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. | 2014-11-23 | 7.6 |
 | 08 | Rubbery Homicide 2014-11-30 | 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. | 2014-11-30 | 6.2 |
 | 09 | Let's Make a Deal 2014-12-07 | The CSI team investigates a murder at Clark County jail after an inmate stumbles upon a body while running away from officers. | 2014-12-07 | 7.8 |
 | 10 | Dead Rails 2014-12-14 | The CSI team investigates the bizarre death of a man who was killed not once, but twice. | 2014-12-14 | 7.4 |
 | 11 | Angle of Attack 2014-12-21 | The CSIs' investigation of the victim of an apparent hit and run leads them into the world of aeronautics. | 2014-12-21 | 6.4 |
 | 12 | Dead Woods 2014-12-28 | The CSI team reopens a 10-year-old murder/suicide case when the sole survivor claims her accused father was innocent. | 2014-12-28 | 7.8 |
 | 13 | The Greater Good 2015-01-04 | 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. | 2015-01-04 | 7.7 |
 | 14 | Merchants of Menace 2015-01-25 | The CSI team investigates a homicide at a convention for people who collect macabre murder memorabilia. | 2015-01-25 | 7.9 |
 | 15 | Hero to Zero 2015-01-25 | The CSI team investigates the murder of a young victim dressed as a superhero. | 2015-01-25 | 7.6 |
 | 16 | The Last Ride 2015-01-27 | The CSI team investigates a death involving a vintage Rolls Royce and a chrome-covered victim. | 2015-01-27 | 7.3 |
 | 17 | Under My Skin 2015-02-15 | The CSI team investigates a murder with ties to two teenaged kidnapped girls. | 2015-02-15 | 7.0 |
 | 18 | The End Game 2015-02-15 | 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. | 2015-02-15 | 6.5 |
