CSI: Crime Scene Investigation

Episodes

Season 4 · 23 episodes

• E1 Assume Nothing (1)
  Sep 25, 2003 45 min

  One of two couples who meet in a bar is murdered and, when the second couple meets the same fate in a similar fashion, the team suspects a pair of serial killers is on the loose. Catherine gets some troubling news about her father's murder trial.

• E2 All for Our Country (2)
  Oct 2, 2003 45 min

  When the lead suspects in Grissom's serial killer case are murdered, he suspects an inside job. Catherine and Sara investigate when a college football fan's body is found in a bathtub.

• E3 Homebodies
  Oct 9, 2003 45 min

  Grissom and Warrick get the case of an elderly woman found mummified in her closet. Sara and Nick arrive to investigate a 'break and enter' to find a raped teen. Catherine looks into a found gun, now linked to a week-old murder.

• E4 Feeling the Heat
  Oct 23, 2003 45 min

  During the latest heat wave, Grissom and Catherine investigate a baby locked in a car. Warrick investigates a man dead of an apparent heat stroke in his house. Nick and Sara investigate when a woman's body is found floating in a lake.

• E5 Fur and Loathing
  Oct 30, 2003 45 min

  The team investigates when a man's body is found on the side of the road... dressed in a racoon suit. A gunshot victim is found in a freezer.

• E6 Jackpot
  Nov 6, 2003 45 min

  When a severed head is shipped to Dr. Robbins from Jackpot, Nevada, Grissom goes to Jackpot to find the rest of the body but gets very little cooperation from the locals. Catherine gets an unexpected gift from her father.

• E7 Invisible Evidence
  Nov 13, 2003 45 min

  Warrick's appearance at the preliminary hearing on a rape and murder case goes terribly wrong when the only piece of evidence is thrown out on a technicality. Grissom and the team have 24 hours to make the case with new evidence or the killer will go free.

• E8 After the Show
  Nov 20, 2003 45 min

  A suspect's infatuation with Catherine results in her taking over the high-profile case of a missing woman who aspired to be a showgirl.

• E9 Grissom Versus the Volcano
  Dec 11, 2003 45 min

  The sheriff is under political pressure to find the killer of an air marshall with a car bomb, Warrick and Sara investigate the murder of the wife of a headline singer on The Strip.

• E10 Coming of Rage
  Dec 18, 2003 45 min

  Grissom, Sara, and Warrick investigate the murder of a teenager found on a construction site. Nick and Catherine try to discover how a woman on her lawn was killed by a gunshot when no-one nearby had a gun.

• E11 Eleven Angry Jurors
  Jan 8, 2004 45 min

  The lone holdout member of a jury is found dead in the jury room. Nick reopens a four-year-old case when the sister of the victim comes forward with new evidence.

• E12 Butterflied
  Jan 15, 2004 45 min

  When a woman resembling Sara is found murdered in her home, Grissom takes a personal interest in the case, forcing him to examine the decisions he has made in his life.

• E13 Suckers
  Feb 5, 2004 45 min

  Grissom, Sara, and Nick respond to an electrocution at a casino. Catherine and Warrick investigate a vampire murder.

• E14 Paper or Plastic
  Feb 12, 2004 45 min

  A robbery at a grocery store results in a shootout leaving five dead.

• E15 Early Rollout
  Feb 19, 2004 45 min

  The entire team investigates the execution murders of a porn star and her husband. Things get personal for Catherine when Grissom talks to her about her evaluation.

• E16 Getting Off
  Feb 26, 2004 45 min

  Catherine and Sara deal with the death of someone who appears at first to be transvestite. Grissom, Nick and Warrick investigate the death of a man in a homeless area.

• E17 XX
  Mar 4, 2004 45 min

  A mutilated female body is discovered tied to the undercarriage of a bus carrying prisoners from a women's correctional facility. Warrick investigates the murder of a gambler in his brother's kitchen.

• E18 Bad to the Bone
  Apr 1, 2004 45 min

  The investigation of a violent murder in a casino parking garage leads to a missing woman, a long-dead body and a missing child.

• E19 Bad Words
  Apr 15, 2004 45 min

  Warrick, Catherine and Nick try to determine the cause of a house fire that kills a teenage kid. Grissom and Sara investigate when a competitor in a word game tournament is found dead with letter tiles in his stomach.

• E20 Dead Ringer
  Apr 29, 2004 45 min

  Grissom, Catherine and Nick investigate the death of a runner during a competition. Sara and Warrick look into the suspected murder-suicide of a couple in a hotel room.

• E21 Turn of the Screws
  May 6, 2004 45 min

  The team investigates a roller coaster accident that leaves six people dead. Warrick and Catherine attempt to track down the killer of a 13-year-old girl.

• E22 No More Bets
  May 13, 2004 45 min

  Grissom and Warrick investigate the murder of two men who had scammed Sam Braun's casinos.

• E23 Bloodlines
  May 20, 2004 45 min

  A casino employee is beaten and raped on her way home from work, but she survives and identifies her attacker. When a DNA test sets him free, Grissom wrestles with his belief that evidence can never lie.