CSI: Crime Scene Investigation: Season 4, Episode 21

Turn of the Screws (6 May 2004)

TV Episode  |  TV-14  |   |  Crime, Drama, Mystery
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Ratings: 8.6/10 from 448 users  
Reviews: 2 user | 1 critic

Three crimes are explored in this episode. Firstly, an employee of an amusement park is found dead due to head injury, near a roller coaster accident where a car came off the tracks, ... See full summary »



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Title: Turn of the Screws (06 May 2004)

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Episode cast overview, first billed only:
Zack Lawrence
Raina Press
Lisa 'Cleopatra' Hunt (as Alex Breckenridge)
Tessa Press


Three crimes are explored in this episode. Firstly, an employee of an amusement park is found dead due to head injury, near a roller coaster accident where a car came off the tracks, leaving several passengers dead. Foul play is suspected. It is believed the murder and the roller coaster damage are linked. Also, a 13-year-old girl is found dead outside, again cause of death from a head injury. Written by Henrietta G. Molgardy

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Release Date:

6 May 2004 (USA)  »

Company Credits

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Did You Know?


ZooDoo (the zoo animal fertilizer found in the wounds of the victim, is a real product, only it is from Auckland Zoo in New Zealand. Producers contacted the zoo to ask for a couple (empty) plastic bags to be sent to the States as it was far more cost effective than to design and print the few bags required for shooting. See more »


When they find the young girl, the marks on her face disappear and reappear in different shots. See more »


Greg: [about a rollercoaster malfunction] Nuts don't just pop off by themselves.
See more »

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User Reviews

Intriguing mystery with a chilling twist
16 November 2008 | by (United States) – See all my reviews

An amusement park ride gone wrong results in several deaths after the roller-coaster derails. Originally thought an accident, examination shows that it may in fact been sabotage. To compound the mystery another body is found in the parking lot near the crashed roller coaster, bludgeoned to death. Meanwhile, the death of a young woman is investigated.

The amusement park murders stay compelling as the team uncovers some after-hours hanky panky at the park and a love triangle. The ultimate revelations for this part of the story are delivered effectively. Less compelling is the story of the murdered girl, despite a somewhat engaging motive, since it serves more to flesh out the character of a team member (by contrast). Although a little lukewarm, it meshes well with the stronger story. Ultimately, both stories are intriguing for the slight parallels to each other and the raw humanity behind the culprits' actions.

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