When a student is arrested and tried for the murder of a popular high-school girl, the suspect's 12-year-old sister confesses to the crime. This results in the judge giving the prosecution 72 hours to re-examine the evidence before the jury delivers its verdict.

Grissom attempts to get a confession from a neighborhood pedophile by having him help in locating two missing boys. The sex offender is the main suspect. The investigation is more complex than the team ever thought it would be.

Grissom investigates when a sadistic client tries to murder Lady Heather (Melinda Clarke), who makes the probe more difficult when she refuses to name her attacker. Also, Grissom's reunion with Lady Heather makes Sara uneasy.

Grissom investigates the mysterious hanging death of a young man whose body looks like that of a female.

Grissom, Catherine, Nick, Greg and Brass are investigating the death of a well known TV star called Annabelle.

The CSI team is shocked and saddened when, after working with Dr. Raymond Langston (Fishburne) on the "Dick & Jane" murders, Grissom announces that his time as a CSI has come to an end and offers Langston a permanent position on the CSI team.

Langston and Nick are called to investigate a murder at a fast food restaurant and have quite a task ahead of them when they discover that much of the evidence is coated in cooking oil.

Langston and Riley are taken hostage during the aftermath of a shootout in an usually calm Las Vegas community.

A series of indeterminate deaths test the deductive powers of the CSI team, who fear that a public health emergency may be in the offing. Meanwhile, a friendly rivalry over who will win an upcoming bikini contest takes a deadly turn...

The son of a notorious killer is arrested on suspicion of murder, and the CSI team must overcome their natural prejudices against the boy's antecedents in order to track the true culprit.

The CSI team helps Ray Langston investigate a prostitution ring that may have harbored a hostage he has been looking for in Miami and New York.

The crossover starts on CSI: Miami S08E07 Bone Voyage (I) and CSI: New York S06E07 Hammer Down (II).

The CSI investigates the mystifying death of a former pro golfer whose allegiance to the game might have cost him everything.

When a young boy is found murdered, the CSI team uncovers evidence that may link his death to an old case that recently resurfaced.

When a student is discovered murdered at Lindsey's school, the investigation takes a sharp turn when the CSIs uncover an unlikely connection between the boy's death and atrocities of the past.

The CSI's lives are on the line as they close in on the elusive Dr. Jekyll, and more than one member of the team may not live to see his capture, on part two of a two-part 10th season finale of CSI.

The CSI team investigates a well-orchestrated bombing at the funeral of Officer Franklin Clark

The CSI team investigate a murder at the home of Marta, a "level 5 hoarder" whose home is stacked high with possessions and garbage--and more than one dead body

The CSIs question the validity of an online picture depicting a murdered call girl until they find the same woman strangled to death in the dumpster that appears in the photo.

Jason McCann contacts Nick and says that he's in imminent danger. Langston has a courtroom war of nerves against serial killer Nate Haskell. A bomb tech disarms a bomb attached to Nick's house. But when he accompanies Nick, Catherine and Vartann to a warehouse with multiple booby-traps per square inch, Kip has to really earn his paycheck to find a safe way out for the CSI team.

A string of deaths, including a gamer found dead on his couch and a newly divorced man at the bottom of a pool, instigate a bet among the CSIs as to whether they've "hit for the cycle" - a homicide, a suicide, an accidental and a natural death all in one night

Langston becomes more determined than ever to track down Nate Haskell, the notorious "Dick & Jane" killer, after discovering that he's kidnapped his ex-wife, Gloria.

After multiple attacks on a public tram, the team has just one witness and a lot of questions.

The murder of a popular sideshow performer sends the team behind the scenes at a carnival freak show.

The murder of a retired Army Ranger brings the FBI in on the case, to Russell and Catherine's initial chagrin.

The CSI team says goodbye to Catherine Willows as she makes a life-changing decision.

When a house is stolen completely off its foundation, the CSIs are on the case in search of answers. Meanwhile, new CSI Julie Finlay showcases her skill in blood analysis.

The team has few leads to go on when investigating a robbery-homicide at a themed wedding

Season finale: The investigation of a triple homicide leads to the discovery of corruption running rampant throughout the LVPD. The closer they get to the truth, the more serious are the repercussions. To be continued...

D.B. Russell leads the CSI team on a hunt to find his kidnapped granddaughter.

Things get personal when D.B. Russell is drawn into the investigation of the death of his son's basketball coach.

The CSI team lends a hand to local law enforcement on the strip with several arrests until a John Doe is found in car. Also, things become personal for Captain Brass when he discovers some facts about his daughter.

At his wife's urging, David reluctantly attends his high school reunion -- which becomes a crime scene when the bitchy former high school queen is found dead in a back room.

The crime lab searches for a serial killer inspired by Dante's Inferno, and Brass's daughter may be one of the killer's next victims.

D.B. Russell leads the CSI team on a hunt to find Morgan and Ellie Brass following their kidnapping by a ritualistic killer.

The team meets a blast from the past, with a chance to solve a cold case that has haunted the team for 14 years.

A spa weekend for Sara, Finlay and Morgan turns into a murder investigation and missing persons case when Finlay disappears, as the CSI team must piece together what happened in detail to find her.

A murdered Elvis impersonator has a strange connection with a bird.

The CSIs investigate a crime that has ties to a 25-year-old mob heist; Brass is faced with a decision when his daughter tries to commit suicide.

Finlay must deal with a bomb planted in her car. Russell gets a call from someone claiming to be the Gig Harbor killer.

The CSI team take a look into the death of a woman who has been drinking and taking drugs in a pool at a rehab facility.

The CSI team continues their investigation into the kidnappings and murders of young women when they learn their main suspect, Jared Briscoe, is released from jail due to lack of evidence.

The CSI unit faces the final showdown with the Gig Harbor killer whose motives are finally revealed. Meanwhile, Nick Stokes makes a decision that will affect the entire team moving forward.