Season 4, Episode 1: Assume Nothing
When a couple is murdered after meeting another couple in a bar, Grissom and his team suspect it is the work of a pair of serial killers. Nick jeopardizes a case when he gives an old friend some information, and it later turns up on the local news. A couple is murdered in a luxurious hotel room. The...
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Season 4, Episode 2: All for Our Country
Continuing from the previous episode, the suspects of the two murders, a husband and wife, are killed in their own house which was being watched by two undercover officers working under Jim Brass. The two officers were missing during the murder because they were called in to a possible shooting whic...
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Season 4, Episode 5: Fur and Loathing
There was a car accident. Besides the dead driver, another dead body lays on the side of the road. He is wearing a mascot-type suit of a raccoon. He died from a bullet wound. His furry costume leads the detectives to a convention for people who identify themselves as animals, expressed via their cos...
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Season 4, Episode 6: Jackpot
Dr. Robbins receives an embalmed head from Jackpot, Nevada. Working solo, Gil Grissom heads out to this small town to gather evidence that will help crack the case. No one in town seems very enthusiastic about finding the rest of the body and many of them act suspiciously. The sheriff assists Grisso...
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Season 4, Episode 8: After the Show
Julie Waters, a dancer, has been missing for 6 days. A suspect, Howard Delhomme, calls the police and turns himself in. He refuses to talk to anyone but Catherine. Sarah and Nick want to work on this case because they see it as a career-making step. Grissom, to their anger and disappointment, hands ...
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Season 4, Episode 9: Grissom Versus the Volcano
Grissom, Catherine and Nick investigates a car bomb which resulted in the death of three people, one of whom was an air marshal who rented the car. Due to the imprecision of the detonator, the CSIs conclude that the target may not have been the air marshal but the person who had previously rented th...
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Season 4, Episode 10: Coming of Rage
A teenage boy is found dead on a construction site. He appears to have suffered multiple blunt force traumas on his whole body. The murder weapon is likely a hammer. A ripped fabric found in his hand leads the investigators to a young girl who knows the deceased. Another case is very puzzling. A wom...
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Season 4, Episode 12: Butterflied
A nurse is found dead in her house by her friend, who's also a nurse. The victim died in her spacious bathroom, posed with her head facing the door. According to the friend, she was to have dinner with her new boyfriend, Dr. Michael Clark, who works at the same hospital. Processing the crime scene r...
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Season 4, Episode 13: Suckers
Nothing is as it seems when the CSIs are called in to investigate an apparent death in a hotel pool by electrocution. It turns out that the body is a dummy. The real crime scene is inside the hotel when an antique Japanese sword is stolen from an exhibition. As this investigation proceeds, the detec...
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Season 4, Episode 16: Getting Off
In a rough quarter where prostitutes and drug doses are picked up, two man are found killed and robbed. Ed Burnell, well-groomed and wealthy, seems the victim of blatantly abusive junkie Jamal, but he only stole Ed's shoes and car. The rare drug indocaide he's on leads CSI to investigate the half-wa...
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Season 4, Episode 18: Bad to the Bone
A very large man is beaten to death by a smaller man with enormous strength. During interrogation, the suspect jumps on Grissom and is subdued by police officers in the room. He ends up dead, not from being beaten, but from cardiac arrest. The findings in his stuffed car, which includes a waitress u...
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Season 4, Episode 19: Bad Words
A teenager dies from inhaling smoke during a fire before firemen could rescue her. The rest of her family, her mother, younger brother, and grandmother are safe. Catherine, Nick and Warrick works on the case which unveils an unexpected and shocking finding. Gil Grissom and Sara investigates the deat...
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Season 4, Episode 23: Bloodlines
A raped victim identifies her attacker from a line-up, after correctly giving the investigators his license plate number and physical description. DNAs recovered, however, indicate that the suspect is not guilty, as only 7 out of the 13 alleles matched, which suggest that the rapist is a relative. T...
