Discovery ID

'S1/E6 - $3 Million Or She Dies'. A detective discovers that he knows a kidnapper personally and that getting the victim back alive now hinges on his relationship with a maniac.

'S1/E1 - Ice Cold Killers'. In 2017, an Ohio couple finds a dismembered body in a basement freezer. It unlocks a harrowing mystery surrounding a missing woman and a tragic love triangle.

'S7/E6 - Deadly Relations - Lake City, Florida'. Medium Amy Allen and retired homicide detective Steve DiSchiavi combine their unique skills to solve unexplained paranormal events.

'S2/E1 - Oliver House'. Nick and Katrina head to Massachusetts to investigate a colonial estate's tragic history. But for Nick, the paranormal activity hits too close to home.

'S2/E2 - Shrewsbury Prison'. Nick and Katrina unlock the dark secrets of HMS Shrewsbury Prison in England, exploring 200 years of executions, anger and tragedy - and discovering new threats.

'S1/E1 - Hitchcock & The Pool Of Death'. Jonathan Ross relives a chilling moment in his old home. He braves Epping Forest at night, and an evil presence plaguing the Hitchcock Hotel.

'S1/E2 - The Ghost In The Cellar'. Jonathan Ross explores a Victorian school with reports of restless child spirits. Plus, he tries to unlock the secrets of one of his old local pubs.

'S2/E1 - Oliver House'. Nick and Katrina head to Massachusetts to investigate a colonial estate's tragic history. But for Nick, the paranormal activity hits too close to home.

'S2/E2 - Shrewsbury Prison'. Nick and Katrina unlock the dark secrets of HMS Shrewsbury Prison in England, exploring 200 years of executions, anger and tragedy - and discovering new threats.

'S2/E4 - Shallow Grave'. Christmas will never be the same for the Oklahoma residents whose dog drops a human skull onto their porch. Police must navigate the victim's past to find the truth.

'S2/E6 - Ashes To Alibis'. In Idaho, a devoted family man, Bo Kirk, vanishes and his truck is found ablaze. Bo's sister suspects their estranged father until ATM security footage is released.

'S2/E6 - Off The Record'. Jam Master Jay, best known as Run-DMC's DJ, was killed in his recording studio. An exclusive interview with an eyewitness sheds light on this decades-old cold case.

'S4/E1 - Valentine's Day Murder'. After the strangulation of a New Jersey mother on Valentine's Day, solving the case comes down to a pair of bangles, and a chance encounter at a deli.

'S2/E2 - The Perfect Bride'. 36-year old Indle courts 18-year old Anastasia online. She travels from her home in Kyrgyztan to Seattle to marry him, but her dream soon turns into a nightmare.

'S3/E10 - The Barrel'. In the Miami suburbs, a hard-working mother from Trinidad vanishes into thin air. Detectives Danny Smith and Jonathan Zeller soon uncover her secrets.

'S4/E1 - Valentine's Day Murder'. After the strangulation of a New Jersey mother on Valentine's Day, solving the case comes down to a pair of bangles, and a chance encounter at a deli.

'S3/E5 - Gone Girls'. When three women from three different decades die or go missing under mysterious circumstances, investigators reveal they all fell in love with the same man.

'S3/E8 - Murder Among Friends'. In 1980, a teen goes for a run around her hometown in Maine. Days later, her savagely beaten body is found. Police re-examine the case when her mum intervenes.

'S1/E6 - The Blue Mustang'. In 2000, Ray Jennings was convicted of killing 18-year-old Michelle O'Keefe in a parking lot. But 11 years later, he's declared innocent. Who is guilty?

'S2/E4 - Friend Request'. Megan, a 13-year-old teenager from a small town, meets a 16-year-old boy on Myspace and falls in love. But this love story turns tragic as the web of lies unravels.

'S2/E1 - Loyalty, Lies, and Loss'. A promising young lawyer at Scott Rothstein's law firm is murdered. Investigation into Rothstein reveals a complex Ponzi scheme, duping unwary victims.

'S2/E3'. Charming Rodney Alcala hid his disturbed personality behind a photographer's lens, using his guise to lure and attract unsuspecting women into his web of murder.

'S4/E4 - .44 Magnum'. After the murder of a New Hampshire businessman at home, cold case detective Freitas outsmarts an unlikely killer who maintained a decade-long lie.

'S1/E5 - This Just In'. College student Jessica O'Grady vanishes late one night. When another woman disappears without a trace, locals wonder if a serial killer is on the loose.

'S1/E6 - I Will Find You'. In June 2002, 19-year-old Ali Kemp is found beaten and strangled to death. Her father, who discovered her body, goes on a quest to find the killer.

'S2/E4 - Men Grooming Minors'. Roo works to take down a menacing pilot interested in a 15-year-old decoy. And the team struggles to find the identity of another predator.

'S2/E5 - Meeting A Monster'. Roo and Shelby stake out a predator's hotel to take him down. The team is shocked when they learn details of the identity of 'The Gray Man'.

'S3/E7 - The Thin Blue Line'. A police officer is shot dead in a suspected set-up. Detectives take drastic measures to get answers from a tight-lipped local community.

'S3/E8 - Last Hope'. More than two decades after two women are found strangled in Philadelphia, there's renewed hope that DNA breakthroughs could unearth the brutal killer.

'S7/E1 - Casanova Con Man'. Single mother Brooklin meets a guy online. Despite many red flags, she marries him and is soon alienated from her family and close to financial ruin.

'S7/E4 - The Bride Who Will Never Be'. When Melanie marries James Addie, she believes she's found the perfect husband, unaware he leads a double life that one day will end with death.

'S1/E6 - Dead Man Talking'. When John Riebe is found dead in his home, the investigation quickly focuses on those close to him. Phone calls and voicemails prove key in cracking the case.

'S1/E3 - Hatton Garden Job'. Diamonds, jewellery, and cash are targeted by a gang of elderly London thieves, one Easter weekend, by drilling into a purpose-built vault.

'S1/E4 - World's Biggest Diamond Raid'. A criminal mastermind outwits state of the art security to steal millions of dollars' worth of diamonds from Antwerp's high security Diamond Centre.

'S1/E2 - The Twins'. After a gunfight outside a bar ends with two dead, Grand Rapids detectives discover that twin brothers are involved.

'S1/E6 - Dead Man Talking'. When John Riebe is found dead in his home, the investigation quickly focuses on those close to him. Phone calls and voicemails prove key in cracking the case.

'S1/E3 - Hatton Garden Job'. Diamonds, jewellery, and cash are targeted by a gang of elderly London thieves, one Easter weekend, by drilling into a purpose-built vault.

'S1/E4 - World's Biggest Diamond Raid'. A criminal mastermind outwits state of the art security to steal millions of dollars' worth of diamonds from Antwerp's high security Diamond Centre.

'S2/E7 - A Rising Star Shot Down'. Tara Correa-McMullen was only 15 when she rose to fame in Hollywood. But a romance with the wrong person takes her out of the spotlight forever.

'S2/E5 - West Memphis Three'. West Memphis is shocked when three young boys are found dead in a ditch. Fearing the work of satanists, police arrest three teenage boys without solid evidence.

'S2/E6 - Twist Of Faith'. When a minister's wife is found dead with note and an empty bottle of sleeping pills, police see an obvious suicide but her family suspects the husband of murder.

'S4/E4 - .44 Magnum'. After the murder of a New Hampshire businessman at home, cold case detective Freitas outsmarts an unlikely killer who maintained a decade-long lie.

'S2/E4 - Friend Request'. Megan, a 13-year-old teenager from a small town, meets a 16-year-old boy on Myspace and falls in love. But this love story turns tragic as the web of lies unravels.

'S4/E1 - Valentine's Day Murder'. After the strangulation of a New Jersey mother on Valentine's Day, solving the case comes down to a pair of bangles, and a chance encounter at a deli.

'S4/E4 - .44 Magnum'. After the murder of a New Hampshire businessman at home, cold case detective Freitas outsmarts an unlikely killer who maintained a decade-long lie.

'S2/E3 - Try, Try Again'. When a single mother of a four-year-old girl is murdered, the case goes cold. Then, years later when her daughter has grown up she vows to get justice for her mother.

'S2/E4 - Night Crawlers'. A college freshman is shot in her family's home. The victim's older sister works closely with the investigators to uncover the truth and put the killers behind bars.

'S1/E1 - I Deserve To Live, They Don't'. Millionaire CEO Kim Bailey suspects her employees are stealing from her. When a colleague vanishes, an FBI investigation leads to a deadly conclusion.

'S1/E2 - The Pain-Killer'. When a medical board strikes off Arkansas pain doctor Randeep Mann amid accusations about his practice, he launches a volatile plot to regain power.

'S2/E6 - Pipe Nightmare'. Barry accidentally detonates a bomb when he kicks a package. An online terror campaign against his son ensues, leading police to wonder who wants to hurt them.

'S1/E5 - Missing Michele'. 32-year-old Michele Whitaker leads a troubled life when she mysteriously vanishes. Her family and police investigate for six years, until a phone call gives answers.

'S1/E6 - In A Dark Place'. When Dena Raley-McCluskey disappears, investigators focus on her ex-boyfriend with whom she had a stormy relationship. An unexpected lead reveals the shocking truth.

'S4/E5 - Barn Of Horrors'. After an Ohio student is abducted in broad daylight, police join forces with the FBI. The discovery of bloody evidence kicks the case into high gear.

'S3/E3 - Driving With The Devil'. A car pulls into a Long Island gas station with a mother shot dead in the front seat. Was she shot by a stranger on the highway, as her husband claims?

'S3/E4 - Last Dance'. Two beautiful dancers are strangled in their apartment. The case leads cops across New York City, where dreams of stardom can drive young people to desperate measures.

'S2/E8 - No Giving Up'. The case of a missing mountain biking pioneer, living off the grid in Colorado, went cold for years. Later, investigators lean on the local rumour mill for new leads.

'S3/E1 - The Farmer's Daughter'. A student is found strangled and stabbed in her own home. Family, friends and the town of Valley City, North Dakota, help police identify her killer.'

'S1/E2 - Murder On Repeat'. In 2001, a welfare check reveals a woman brutally murdered in the basement of her home. The hunt for her killer leads to a mystery buried for over 14 years.

'S1/E3 - Deadly Invitation'. In 1999, a killer brutally murders Dennis Dolinger in the basement of his home. With DNA technology, the race is on to find the culprit before they strike again.

'S2/E3 - The Doe In The Wood'. Two ATV riders find a woman's scattered bones on a wooded trail in Florida. A dogged detective seeks Jane Doe's identity and her killer.

'S2/E4 - The Tent Girl'. A woman's body is found in a tent bag in the Kentucky woods. 1000 miles away, a family seeks a missing mum. Both cases go unsolved for decades - until now.

'S2/E8 - Bound By Blood'. The city of Atlanta is shaken by the fear of the Necktie Killer. Detectives piece together correlative clues and distinctive apparel left behind at each crime scene.

'S9/E1 - Sex House Homicide'. When police discover a married man dead in a secret sex den, they launch a relentless hunt for his killer, unearthing dark secrets along the way.

'S2/E5 - Death By Detox'. A wellness healer promises miraculous cures, but inside his ranch, hope turns to harm. Families expose the dangerous fraud beneath the green drinks.

'S1/E3 - Hatton Garden Job'. Diamonds, jewellery, and cash are targeted by a gang of elderly London thieves, one Easter weekend, by drilling into a purpose-built vault.

'S1/E4 - World's Biggest Diamond Raid'. A criminal mastermind outwits state of the art security to steal millions of dollars' worth of diamonds from Antwerp's high security Diamond Centre.