Susie, Stacey and her mum go missing from their home in the middle of the night. Is their disappearance linked to the activities of a serial sexual predator? S3/Ep36
When rebellious teen Samantha Bonnell goes missing, her co-workers claim she just walked out of a cinema and vanished. Are they telling the truth? S3/Ep37
Firefighter Brandy Hall's abandoned and blood-stained truck is found submerged in a local pond. What happened to this popular mum and where is she now? S3/Ep38
A dedicated mother's blood-stained minivan is found abandoned at a roadside at Christmas. Where is Patty, and what does her ex-husband know about her disappearance? S3/Ep39
After Felipe Santos is caught driving illegally he vanishes. When another man goes missing, police are suspicious. Is one of their officers involved? S4/Ep53
When high-profile DA Ray Gricar goes missing, his laptop and hard drive are found destroyed in the Susquehanna River. Was Ray murdered, or is he on the run? S3/Ep35
After the death of her parents, undergrad student Leah drops out of college and hits the road, leaving a cryptic note for her friends and siblings. Where is she now? S3/Ep34
Free spirit Jeremy is convinced that 'bad men' are out to get him. Is he suffering paranoid delusions or has he run into trouble, and where is he now? S3/Ep32
Friends call cops to help them find Toni, who vanished after mixing alcohol with her bi-polar meds on a night out. But is their search about to take a dark turn? S3/Ep31
Big-hearted Patti clocks out at the end of her shift at the factory and is never seen again. What happened to this popular mum and is a mystery man involved? S3/Ep30
After a violent argument with her boyfriend, Roxanne vanishes. What was she doing in an area infamous for drugs and prostitution and where is she now? S3/Ep29
Why would a happy family enjoying life in suburban California abandon their pets, home and cash to secretly head into Mexico? Friends search for the McStays. S3/Ep27
Jeremy is planning for the hunting season when he texts his wife to tell her he is leaving her and their baby. When his car is found torched, she fears foul play. S2/Ep26
Tom is desperate about his wife's disappearance but when her boss voices doubts about his character to police he falls under suspicion. Can phone records solve the case? S2/Ep25
Bradyn's parents panic when they can't reach him, and their alarm increases when they realise he's stolen a handgun. What is he running from and where is he heading? S2/Ep24
Liz and John vanish after meeting with their accountant who they suspect of embezzling funds from their yachting resort. Could he be responsible for their disappearance? S2/Ep23
Bobby and Sherilyn go missing in Oklahoma backcountry with their little girl, leaving their dog abandoned in the car. Is the family lost or is this a murder-suicide? S2/Ep22
After Tim goes missing his car is abandoned at a construction site and his bank account is emptied. Is his disappearance connected to a strict religious group? S2/Ep21
A month after 17-year-old Kara goes missing, Kelsey is abducted in a car park. When a body is discovered by a lake, two families are locked in a grim waiting game. S2/Ep18
Popular teacher and beauty queen Tara is missing. The only clue is an abandoned latex glove found in her backyard. Is an unstable male student involved? S2/Ep16
John, a happily married financial officer, has gone missing. Did the pressure of an audit drive him over the edge, or has something sinister happened? S2/Ep14
A basketball star and his girlfriend disappear while sailing. Can investigators track down his brother, who's the only person who may know what happened? S1/Ep12
When Amy disappears, police have a suspect but no crime scene, no body and no evidence. It takes an unexpected informant to blow the case wide open. S1/Ep11
A blues guitarist vanishes, leaving few clues to his whereabouts. The case goes cold, until a series of events thrusts it back into the limelight. S1/Ep10
A young woman on the brink of starting her dream job disappears, and it's down to forensic officers to gather the clues that may lead to her whereabouts. S1/Ep8
Billy disappears just after finding out his girlfriend is cheating on him. Is she behind it, or will a perpetrator emerge from beyond the grave? S1/Ep5
The disappearance of a local lawyer paralyses a mountain town in Colorado. Soon clues emerge that the community's idyllic veneer is not all it seems. S1/Ep4
Lee disappeared one morning after leaving a friend. Had he gone into the wilds, or maybe joined the Israeli army? Follow the hunt for this troubled teen. S1/Ep1
Tammy disappears after leaving work. Her family finds a note saying she's gone for a walk, but searches yield no signs. What happened to Tammy? S7/Ep10
Robert fails to pick up his wife at the airport, and his son tells investigators how he ran into some shady men days earlier. What made Robert disappear? S7/Ep9
Former Harlem Globetrotter Rico Harris is driving to Seattle and mysteriously vanishes. Investigators embark on a journey that grows more baffling as time passes. S7/Ep8
David attends one final meeting before driving home to visit family. But soon after, his truck is found abandoned. How did David just vanish into thin air? S7/Ep7
Brandy leaves work Friday afternoon for a weekend off. But on Monday morning she doesn't show up for work. Did she walk away from her rocky love life? S7/Ep6
Days after Jennifer Kesse goes missing, her car is found abandoned near her home. A decade later her disappearance remains one of Florida's most baffling crimes. S7/Ep5
Brian, a 25-year-old BMX rider, is last seen wandering a field. Have Brian's risky bike moves led to a severe state of confusion and his disappearance? S7/Ep4
An artist disappears on her way home from work. When her car is found abandoned in a parking lot, it sets off a dark speculation about her disappearance. S7/Ep3
College student Bryce is driving to visit his parents, but his car is later found crashed and abandoned in a remote California park. What happened to him? S7/Ep1
Colleen sails into the sunset with her boyfriend Jean Paul on his luxury yacht - and is never heard from again. Has she fallen foul of her shifty lover's quick temper? S5/Ep85
When popular park ranger Randy goes missing in the Sierra Nevada Mountains his colleagues work tirelessly to locate him. But will Randy be found alive? S5/Ep84
Competitive runner Amy goes jogging in the mountains and never returns home. Where is Amy, and what does her jealous husband know about her disappearance? S5/Ep82
When hundreds of exotic birds are found dying at a reputable aviary, breeders Lilah and Moses are nowhere to be seen. Did they leave their land willingly? S5/Ep81
In the years following the disappearance of two sixteen-year-old girls, two serial killers separately confess to the murders. Are they toying with police? S5/Ep80
A teenage boy runs away after a fight with his grandma; years later a disorientated young man with amnesia is taken in by concerned strangers. Is this Jarrod? S5/Ep79
A young bellhop goes missing on a treasure hunting trip in the Arizona wilderness. Will rescuers find Jesse or is he another victim of the Dutchman's Curse? S5/Ep78
Tracey Ocasio is missing and when one of her boots is found in woodland detectives fear the worst. Is the vicious assault of another young woman connected to her case? S5/Ep76
Bethany is pregnant with her lover's baby when she goes missing. Police speak to her cuckolded husband and her new lover; but are they both telling the truth? S5/Ep75
Matrice is arrested when she can't pay her restaurant bill; but after cops release her into the night without her car, keys, or cash, she disappears. Where is she? S5/Ep74
Big game hunter Bob is fooled by a predatory con artist and puts a $1000 deposit on a non-existent Thunderbird; but will his search for his money end well? S5/Ep73