CSI: Crime Scene Investigation: Season 5
{ "overview": "Season 5 of CSI: Crime Scene Investigation, comprising 25 episodes, carries forward the ongoing story of the Las Vegas Crime Scene Investigation unit. The series, created by Anthony E. Zuiker and first broadcast in October 2000, follows a team of forensic investigators who apply scientific methods to uncover the truth behind violent crimes. In this fifth season the established core investigators—orig
Season 5 Lore Primer
Key plot threads, lore context, and character stakes you need to remember before diving into this season.
- CSI: Crime Scene Investigation Season 5 continues the overarching saga across 25 episodes.
- Character alliances, factions, and personal loyalties undergo significant shifts under escalating stakes.
- Addresses unresolved cliffhangers and thematic mysteries introduced during previous seasons.
- Establishes the primary seasonal conflict that drives serialized character arcs toward the finale.
Season overview
{
"overview": "Season 5 of CSI: Crime Scene Investigation, comprising 25 episodes, carries forward the ongoing story of the Las Vegas Crime Scene Investigation unit. The series, created by Anthony E. Zuiker and first broadcast in October 2000, follows a team of forensic investigators who apply scientific methods to uncover the truth behind violent crimes. In this fifth season the established core investigators—originally portrayed by William Petersen and Marg Helgenberger—continue to lead the laboratory, employing techniques such as trace evidence analysis, DNA profiling, and ballistics to solve a variety of cases that unfold across the Nevada desert and the city’s casino‑filled streets. The narrative maintains the franchise’s emphasis on the principle that “evidence never lies,” positioning the Las Vegas division as the second criminal laboratory in the United States. Throughout the season the team confronts new challenges while reinforcing the procedural framework that defines the series, illustrating the collaborative effort required to translate microscopic clues into courtroom‑ready conclusions. Each episode presents a self‑contained investigation while contributing to the season’s broader thematic focus on the limits of technology and personal resilience within the high‑pressure environment of the lab.",
"primer": [
"CSI was created by Anthony E. Zuiker and premiered on October 6 2000.",
"The series follows a Las Vegas forensic division, the second criminal lab in the United States, that solves crimes by analyzing evidence.",
"Original lead investigators are William Petersen and Marg Helgenberger, who head the team from the first season.",
"
Episode Guide
Season 5 Progress Shield
Viva Las Vegas
Sep 23, 2004 · 46 min
A wild night in Las Vegas has the CSIs simultaneously investigating four fatalities. Greg Sanders' first day in the field has him assisting Grissom's investigation of a fatal night
Down the Drain
Oct 7, 2004 · 45 min
Heavy rains in Vegas wash up a body in the storm drains. As the team investigates, they find bones from another murder.
Harvest
Oct 14, 2004 · 45 min
A child is abducted. As the Amber Alert goes out, the entire team investigates in a race against time. Lindsay Willows is found hitchiking to the alarm of Catherine.
Crow's Feet
Oct 21, 2004 · 45 min
A woman is found dead in a hotel suite with symptoms of the ebola virus. Another woman is found dead with similar symptoms. Catherine and Nick investigate. Sara and Greg with help
Swap Meet
Oct 28, 2004 · 45 min
Grissom and Sara investigate the murder of a woman after a swap party. The married couples in the neighborhood meet and switch partners. With the help of a crime scene cleaner, Nic
What's Eating Gilbert Grissom?
Nov 4, 2004 · 45 min
The killer from The Execution of Catherine Willows returns with deadly results. The entire team is engaged in a race against time to stop this sadistic killer from succeeding again
Formalities
Nov 11, 2004 · 44 min
Grissom is called to a murder of a 17-year-old in a casino penthouse. Sophia Curtis (Louise Lombard) joins him in his research, she normally works in the day-shift. The entire team
Ch-Ch-Changes
Nov 18, 2004 · 45 min
A woman who was pulled over by police is found murdered two miles up the road from the stop. It's not long before Robbins determines that the woman is, genetically speaking, not a
Mea Culpa
Nov 25, 2004 · 44 min
Grissom is confronted with new evidence while on the stand of a murder trial of a restaurant owner. This development requires the reopening of the case and Eckley initiates an inqu
No Humans Involved
Dec 9, 2004 · 44 min
Grissom and his team investigate the starving death of a five year old boy. They discover the boy has siblings who are in danger too. Catherine and her team determine who killed a
Who Shot Sherlock?
Jan 6, 2005 · 45 min
Greg, for his final proficiency, has to determine how the Sherlock Holmes of a Sherlock Holmes club was killed. Nick and Warrick try to determine how the driver of jeep was killed
Snakes
Jan 13, 2005 · 44 min
The swing shift has a busy time. Warrick looks into the murder of man by someone who apparently needs a wheelchair. Nick looks into the murder of woman in the subculture of the nar
Nesting Dolls
Feb 3, 2005 · 43 min
Catherine, Warrick and Nick find the body of two women at a construction site buried under tar. The swing shift are brought into the world of foreign "mail-order" brides. Sara and
Unbearable
Feb 10, 2005 · 45 min
Grissom, Sofia, Sara and Greg investigate the disappearance of a woman coming home from a night out with a friend, her abandoned car found on the edge of a highway. Catherine, War
King Baby
Feb 17, 2005 · 45 min
When a major Las Vegas player is found dead, Ecklie orders both teams to investigate the case. The man who had secrets on everyone in Vegas had a very big one of his own.
Big Middle
Feb 24, 2005 · 43 min
Catherine, Nick, and Warrick investigate a badly mutilated body in the woods. The cause of death was a shotgun blast. Nearby is a beaver dam made in part with cash. Grissom, Sarah,
Compulsion
Mar 10, 2005 · 44 min
A serial killer strikes again, and the CSI team tries new technology using evidence from a prior killing. They find a fingerprint belonging to Jesse Acheson, who becomes the prime
Spark of Life
Mar 31, 2005 · 43 min
Grissom, Sara, and Nick investigate a wildfire that killed one man and badly burned a woman. Catherine, Nick, and Warrick get the case of a family of three murdered in their home.
4 x 4
Apr 14, 2005 · 45 min
One night, four cases. Grissom and Brass get a stolen hummer and a taco stand. Warrick gets a dead car show girl. Sara and Greg get a dead bodybuilder. Nick gets a dead boy found o
Hollywood Brass
Apr 21, 2005 · 45 min
Brass travels to Hollywood, California to try to track down his estranged daughter's friend, meanwhile trying to rekindle some kind of relationship with her.
Committed
Apr 28, 2005 · 42 min
Grissom and Sara investigate the murder of a mental-hospital patient and quickly narrow down the suspects to a handful of other patients and staff members.
Weeping Willows
May 5, 2005 · 44 min
A man (Alan Rosenberg) whom Catherine flirted with at a bar reappears in her life as a suspect in a murder investigation.
Iced
May 12, 2005 · 44 min
Two amorous freshmen are found dead on a sleeping bag in a dorm room, and Sara and Greg run into one dead end after another as they try to determine why the students were killed. W
Grave Danger (1)
May 19, 2005 · 46 min
The CSI teams come together to save one of their own when they learn one team member has been kidnapped and buried alive, and now they must find him before he suffocates under five
Grave Danger (2)
May 19, 2005 · 41 min
The CSI teams come together to save one of their own when they learn one team member has been kidnapped and buried alive, and now they must find him before he suffocates under five