Jack and the team search for a real estate agent who went on an appointment and never returned.
Vivian and the team search for a blind teen and her mobility instructor who were abducted during a camping trip.
While searching for a missing nurse's aide, who disappeared from a rural road while changing a flat tire, the team discovers that this woman is actually a fugitive wanted for bombing an abortion clinic.
While searching for missing 37-year-old X-ray technician Teddy Cota, the team discovers that Teddy long believed that when he was a child, he was abducted by aliens.
Jack and the team must determine if a missing nanny is a kidnapping victim or a suspect when she and the infant in her care disappear from her employers' home.
Lynette Shaw, the physically transformed winner of the popular surgical makeover reality show "American Goddess," disappears in the midst of a publicity event.
The team searches for Colleen McGrath, a struggling, young, single mother who vanishes after leaving her 3-year-old son in his baby-sitter's care.
In a continued effort to find Colleen McGrath, a missing young mother who had recently been recruited as a drug mule, Samantha goes undercover as a woman with similar grim financial circumstances hoping to be approached by the same drug traffickers.
When a homeless woman goes missing from a shelter linked to a previous case, Jack suspects Rick Knowles -one of two identical twins--who manipulated his brother, Greg, into confessing to the murders of several other homeless women.
Jack and the team search for Peter Dusek, a wealthy, 72-year-old murder trial juror, whose disappearance could cause a mistrial.
The missing man's pregnant ex-girlfriend explains that she ended her relationship with him after he confessed that he feared the extraterrestrials would return for him and their baby.
Jack and the team search for Tara Patterson school student who was last seen by her friends at a bus stop.
While searching for convict James "Mac" MacAvoy, who disappeared during a prison yard fight, the team attempts to determine whether he's a cunning escapee or the victim of a sinister inside plot.
Jack and the team investigate the disappearance of a 12-year-old autistic boy who ran away during a class trip to a museum.
Jack and the team investigate the disappearance of Rosie Diaz, a postal employee.
Jack and the team investigate the disappearance of Chelsea Prince, a 23-year-old society girl known for her constant partying and headline-grabbing escapades.
Martin is wracked with guilt when he fails to prevent Mike, a 12-year-old boy, from being dragged into a car outside of the boy's school.
Jack and the team investigate the disappearance of Stephanie, a singer in a church choir.
Vivian takes time off from work to deal with her health problems and tries to act brave before her family and colleagues.
Thirteen-year-old Daisy Thorpe goes missing in a small upstate New York town that remains shaken by the unsolved murder of the local cleric's 13-year-old daughter, Amber, seven years ago.
The team helps Danny search for his missing, estranged brother, Rafael "Rafi" Alvarez, a recovering drug addict and ex-convict who Danny grimly suspects may have lapsed into his illegal and destructive past habits.
A 71-year-old man goes missing. The team searches for the man who was last seen getting into a car with two guys.
As Vivian undergoes open-heart surgery, Jack and the team search for a missing woman who may be the innocent victim of an identity theft ring.
