Season 6 - Episode Guide

A Sudanese boy adopted by a high-profile New York couple disappears.

A crime scene cleaner and his daughter are missing.

A television reporter's disappearance is tied to her son's torture and death in a Guatemala prison.

A young woman disappears after her boyfriend is killed in a police shooting. Sam learns she is pregnant after a one-night stand.

A woman disappears after an office shooting, but the case appears to be tied to a custody battle.

When a serial killer eludes capture in Nevada and escapes with his son to New York, Jack and the team pick up the trail with the help of CSI Las Vegas team leader Gil Grissom (William Petersen).

This episode concludes a crossover with CSI: Crime Scene Investigation that begins on "Who and What".

A college student disappears after his racist statements are posted on an Internet video site.

Detectives investigate the disappearance of an ultimate fighter, and Samantha tracks down her baby's father.

While the team investigates the disappearance of an ex-con who served time for embezzlement, Agent Johnson gets a possible break in her case involving the kidnapping of a young woman.

Glen Beckett, a child prodigy turned store Santa, vanishes and the team wonders if he had criminal connections. 

Malone and his team start off the new year investigating how private investigator Scott Lucas might have gone missing. 

Laura Richards, a veterans-hospital worker who made the prosthetics for the injured soldiers, disappears.

Jack goes missing after taking a case into his own hands which soon becomes intertwined with a human trafficking prostitution case that Vivian is working on.

While Jack fights for his life, the team takes on a case involving the disappearance of a teenage heart transplant recipient who was looking for information about the boy whose heart she received.

The team searches for Jay McCann, a coma patient who had woken up after three years only to disappear. 

After Lacey Moran, the latest lottery winner, goes missing, the team looks at her friends, family, job, and the people she knew.

Connor Baynes, a man who recently saved a child from being hit from a bus, goes missing.

While the team searches for connections between a group of people abducted from a coffee shop, Jack is up for review and Samantha goes into labor.