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
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
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
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
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
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
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
When 17-year-old Macin Smith doesn't return from school, his parents fear he is in danger and a note hidden in his wallet leaves his family troubled. What happened? S8/Ep7
19-year-old Angel Garcia disappears after riding his dirt bike. Friends say he was chased by an SUV before he vanished. Months later, a possible sighting raises hopes. S8/Ep6
21-year-old Kortne Stouffer vanishes from her bed one night after rowing with neighbours and friends. Investigators pursue various leads, but she cannot be found. S8/Ep3
A beautiful young woman moves to the US for a new opportunity, but within weeks she vanishes without a trace. Kidnapping survivor, Elizabeth Smart, joins in the search. S8/Ep2
After a night at home watching movies, 18-year-old Zoe Campos disappears the next day. Investigators scour her Facebook account to unlock clues. S8/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
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
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
After a 59 year separation Bob and Fontelle marry following a whirlwind reunion. But two days before Fontelle relocates to California Bob disappears - where is he? S5/Ep71
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
After a 59 year separation Bob and Fontelle marry following a whirlwind reunion. But two days before Fontelle relocates to California Bob disappears - where is he? S5/Ep71
Frightened that his ex-boyfriend will attack him, Billy ups his security and changes his locks; weeks later he disappears, and so does his cash. Where is Billy? S5/Ep70
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
Jessica is working the night shift at a gas station. When a customer arrives to find the store empty, investigators believe she's been abducted. S7/Ep2
Alex Gumm, a musician interested in philosophy and all things extra-terrestrial, vanishes in Hawaii. Alex's childhood friends risk their lives to find answers. S11/Ep8
Successful lawyer and new mum Ciera Breland disappears after she and her husband visit his mother in Georgia. It emerges her perfect life isn't what it seems. S10/Ep8
When Kimberly Avila, a trans Latina woman, fails to return after a night out in Texas, her family fears she was taken or killed by a cartel member. S10/Ep4
When veteran Michael VanZandt vanishes, police suspect it's a random attacker. But his family are haunted by his thrill-seeking when considering his fate. S9/Ep12
When popular college student Martin Roberts goes missing, only a cryptic note is left behind. Two years on, his family want to solve the mystery once and for all. S9/Ep11
In 1998, 23-year-old Amy Bradley goes on a family cruise through the Caribbean. After a night out dancing in the ship's disco, she vanishes without a trace. S9/Ep5
When transgender teen Sage Smith goes missing, the investigation turns up evidence that forces detectives to look closer into Sage's inner circle. S9/Ep3
19-year-old Logan Schiendelman vanishes after a night out. When authorities find no evidence of foul play, they are forced to examine his family's controversial past. S9/Ep2
When 15-year-old Kayla Berg isn't home after a night out, her loved ones think she's staying with friends. After six days, her last known location raises suspicion. S8/Ep5
20-year-old Bear Diaz has diabetes, so when he vanishes one night with his belongings, investigators are suspicious. Is it linked to another disappearance? S8/Ep4
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
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
A couple vanishes after a date and their families unite to locate them. But will their growing desperation and accusations sunder the investigation? S8/Ep11
On route to the airport to fly home to her fiancÂee, 19-year-old Katelin Akens makes an unexpected stop at a Virginia shopping mall - and vanishes. Who knows the truth? S8/Ep10
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