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| # | Title | Orignal Air Date |
| 01. | Assume Nothing | Thursday September 25th, 2003 |
| A series of double-homicides have the detectives on the hunt for a serial killer; Nick jeopardizes the investigation when he discusses specifics of the case, which later turn up on the local news. | ||
| 02. | All for Our Country | Thursday October 2nd, 2003 |
| Grissom receives a jolt when murder suspects are found shot to death; Catherine and Sara investigate the death of a college student found floating in his shower. | ||
| 03. | Homebodies | Thursday October 9th, 2003 |
| Grissom and Warrick discover a woman’s mummified corpse locked in a closet, while Nick and Sara investigate a similar crime scene across town; a boy shoots himself in the foot. | ||
| 04. | Feeling the Heat | Thursday October 30th, 2003 |
| A child, left in a sealed vehicle, dies; the body of a young woman washes up on a beach; the corpse of a couch potato shows signs of heat stroke. | ||
| 05. | Fur and Loathing | Thursday October 30th, 2003 |
| Team explores the world of fetishes after finding a dead man dressed in a full-sized raccoon costume; a convenience-store employee is found shot to death in an industrial freezer. | ||
| 06. | Jackpot | Thursday November 6th, 2003 |
| Grissom travels to a small town in northern Nevada where a dog has found a human head; Catherine must decide if she wants to accept a large check from her corrupt father. | ||
| 07. | Invisible Evidence | Thursday November 13th, 2003 |
| After evidence is thrown out in court, the team must find new evidence to convict a suspect; a sheriff uses Warrick as the scapegoat for the courtroom debacle. | ||
| 08. | After the Show | Thursday November 20th, 2003 |
| Catherine leads a high-profile investigation to find an up-and-coming model who has been missing for several days. | ||
| 09. | Grissom Versus the Volcano | Thursday December 11th, 2003 |
| The CSI team is called to investigate a car bomb explosion and the death of a musician’s wife. | ||
| 10. | Coming of Rage | Thursday December 18th, 2003 |
| A body at a construction site is that of a teenage boy beaten to death with a hammer; Nick investigates an apparent gunshot victim found in her house. | ||
| 11. | Eleven Angry Jurors | Thursday January 8th, 2004 |
| A holdout juror is murdered behind closed doors during deliberations. | ||
| 12. | Butterflied | Thursday January 15th, 2004 |
| Grissom becomes obsessed while investigating the murder of a woman who bears an uncanny resemblance to Sara; the team finds the remains of its prime suspect in multiple garbage cans. | ||
| 13. | Suckers | Thursday February 5th, 2004 |
| The team investigates when someone steals a rare piece from a 17th-century Japanese art collection; the death of a woman who was bitten in the jugular leads the team to an underground world of blood-drinking Goths. | ||
| 14. | Paper or Plastic | Thursday February 12th, 2004 |
| A grocery store robbery results in a shootout leaving five dead. The police officer involved in the shootout believes Grissom has a grudge against him. | ||
| 15. | Early Rollout | Thursday February 19th, 2004 |
| The team investigates the execution-style murder of a millionaire entrepreneur and his wife who were shot to death in the driveway of their home. | ||
| 16. | Getting Off | Thursday February 26th, 2004 |
| A world of illicit drugs and addiction is uncovered while investigating a brutal stabbing in a bad Las Vegas neighborhood. | ||
| 17. | XX | Thursday March 11th, 2004 |
| 18. | Bad to the Bone | Thursday April 1st, 2004 |
| 19. | Bad Words | Thursday April 15th, 2004 |
| 20. | Dead Ringer | Thursday April 29th, 2004 |
| A murder investigation becomes dicey when all the victims and suspects turn out to be police officers. | ||
| 21. | Turning the Screws | Thursday May 6th, 2004 |
| A roller coaster crash kills six people, and investigators must determine whether it was an accident or foul play. | ||
| 22. | No More Bets | Thursday May 13th, 2004 |
| Two gamblers are found dead shortly after scamming several of Sam Braun’s casinos, making Sam a suspect in their murder. | ||
| 23. | Bloodlines | Thursday May 20th, 2004 |
| After a rape victim identifies her rapist, Grissom and his team struggle to find the physical evidence to convict the perpetrator when it points in a different direction.# CLICK ON TITLE TO DOWNLOAD FULL EPISODE | ||
