TR

Season 15, Episode 4

The Book of Shadows

7.3/ 10October 19, 201443 min

A chemistry teacher's science experiment goes horribly wrong.

Directed by
Brad Tanenbaum
Written by
Gavin Harris

Guest stars

All episodes — Season 15

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  1. S15 E1

    The CSI Effect

    Sep 28, 20147.643 min

    Finlay must deal with a bomb planted in her car. Russell gets a call from someone claiming to be the Gig Harbor killer.

  2. S15 E2

    Buzz Kill

    Oct 5, 20147.443 min

    The CSI team investigates a robbery and fatal shooting at a medical marijuana shop.

  3. S15 E3

    Bad Blood

    Oct 12, 20147.643 min

    Sara and Greg are quarantined after responding to a crime scene that’s contaminated with a deadly pathogen.

  4. S15 E5

    Girls Gone Wilder

    Nov 9, 20147.742 min

    Morgan, Sara and Fin try to relax at a forensics conference when a mass shooting occurs on site.

  5. S15 E6

    The Twin Paradox

    Nov 16, 20146.343 min

    Frustration mounts for the CSI team as another victim surfaces who is linked to the Gig Harbor Killer.

  6. S15 E7

    Road to Recovery

    Nov 23, 20147.442 min

    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.