The CSI Effect
Season 15, Episode 1 TV-14
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Finlay must deal with a bomb planted in her car, while Russell gets a call from someone claiming to be the Gig Harbor killer. Mark-Paul Gosselaar guest stars as twins Jared Briscoe and Paul Winthrop, and Mark Valley as Detective Daniel Shaw.
Buzz Kill
Season 15, Episode 2 TV-14
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The CSI team investigates a robbery and fatal shooting at a medical marijuana shop.
Bad Blood
Season 15, Episode 3 TV-14
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Sara and Greg are quarantined after responding to a crime scene that's contaminated with a deadly pathogen.
The Book of Shadows
Season 15, Episode 4 TV-14
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The CSI team suspects foul play when a chemistry teacher's science experiment goes horribly wrong. Guest stars include Marissa Jaret Winokur as Principal Dawn Meadows, Skipp Sudduth as Ed Lusk and Bella Thorne as Hannah Hunt, a student.
Girls Gone Wilder
Season 15, Episode 5 TV-14
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Morgan, Sidle and Finlay try to relax at a forensics conference when a mass shooting occurs on site.
The Twin Paradox
Season 15, Episode 6 TV-14
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Frustration mounts for the CSI team as another victim surfaces and all evidence points to the Gig Harbor Killer. Guest stars include Mark-Paul Gosselaar as twins Jared Briscoe and Paul Winthrop, Mark Valley as Detective Daniel Shaw and Patricia Arquette as Avery Ryan.
Road to Recovery
Season 15, Episode 7 TV-14
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The CSI team investigates the death of a woman full of alcohol and drugs in a pool at a rehab facility.
Rubbery Homicide
Season 15, Episode 8 TV-14
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The CSI team delves into the kinky world of "rubber dolls" when they investigate the murder of a man stabbed in an alley.
Let's Make A Deal
Season 15, Episode 9 TV-PG
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The CSI team investigates a murder at Clark County jail after an inmate stumbles upon a body while running away from officers.
Dead Rails
Season 15, Episode 10 TV-14
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The CSI team investigates the bizarre death of a man who was killed not once, but twice. Sharon Osbourne guest stars as Elise Massey, the manager of a billiards championship.
Angle of Attack
Season 15, Episode 11 TV-14
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The CSI's investigation of the victim of an apparent hit and run leads them into the world of aeronautics.
Dead Woods
Season 15, Episode 12 TV-14
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The CSI team reopens a 10-year-old murder/suicide case when the sole survivor claims her accused father was innocent. Dean McDermott guest stars as Garth Fogel, a suspect in the case.
The Greater Good
Season 15, Episode 13 TV-14
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The CSI team learns the main suspect in the gig harbor killings is being released from jail due to lack of evidence. Guest stars include Mark-Paul Gosselaar as twins Jared Briscoe and Paul Winthrop, and Mark Valley as Detective Daniel Shaw.
Merchants of Menace
Season 15, Episode 14 TV-14
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The CSI team investigates a homicide at a convention for people who collect macabre murder memorabilia.
Hero to Zero
Season 15, Episode 15 TV-14
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The CSI team investigates the murder of a young victim dressed as a superhero.
The Last Ride
Season 15, Episode 16 TV-14
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The CSI team investigates a death involving a vintage Rolls Royce and a chrome-covered victim.
Under My Skin
Season 15, Episode 17 TV-14
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The CSI team investigates a murder with ties to two teenaged kidnapped girls. Lisa Rinna guest stars as Tori Nolan, the wife of the director of the San Diego Crime Lab.
The End Game
Season 15, Episode 18 TV-14
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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. Guest stars include Mark-Paul Gosselaar as Paul Winthrop, Mark Valley as Detective Daniel Shaw and Eric Roberts as Daniel Larson.
CSI: - Season 14 Recap
Season 15, Extra TV-PG
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Get caught up on the CBS drama CSI:.