Delving into the stories of killers who broke the Hippocratic Oath to use their medical knowledge for murder, taking the lives of often vulnerable victims instead of caring for them.

Police investigate the murder of a popular insurance salesman in a small Midwestern town; as they untangle a web of lies and deceit, police discover that a religious leader hides some sinful secrets.

A paranormal investigator is attacked by an entity in an abandoned asylum in Connecticut; a driver witnesses a strange UFO over a hotel in North Carolina; an Oregon marijuana dispensary is haunted by ghosts of the past.

Fresh from her trip to the U.S., Nikki and the Lyell unit are called to investigate an attack against a trans man; when two further attacks are reported, it looks like the team is facing an outbreak of violence.

The mistake in the investigation forces Thomas into the role of a scapegoat.

After a teenager is killed in a meth lab explosion, his teacher resolves to confront the drug dealers preying on his community; dangerous new drugs are hitting the streets, and the effects are evident to the team as they deal with the rise in deaths.

The phenomenon of child ghosts and its consequences when medical facilities become their playgrounds.

Police investigate the murder of a popular insurance salesman in a small Midwestern town; as they untangle a web of lies and deceit, police discover that a religious leader hides some sinful secrets.

The team investigates an Indian massacre that might have left a curse on the land occupied by a sprawling mansion on Detroit's Grayhaven Island.

A psychic picks up both a child's energy and a menacing presence in a Pennsylvania home.

Delving into the stories of killers who broke the Hippocratic Oath to use their medical knowledge for murder, taking the lives of often vulnerable victims instead of caring for them.

A man gravely regrets unleashing a demonic entity from a sealed box; a pub seems to have a resident ghost; a pastor is on a mission to exorcise as many demons as possible.

A man gravely regrets unleashing a demonic entity from a sealed box; a pub seems to have a resident ghost; a pastor is on a mission to exorcise as many demons as possible.

Friends in Utah track down a Bigfoot spotted in the mountains; a total skeptic is attacked by a spirit at a haunted fort in England; ghostly passengers appear in a Hong Kong airport.

Hunt for evidence of foul play after a nurse's assistant is linked to 21 suspicious deaths in a West Virginia veterans' hospital; follow the FBI investigation, which finds proof that Reta Mays had been giving her patients lethal doses of insulin.

A man gravely regrets unleashing a demonic entity from a sealed box; a pub seems to have a resident ghost; a pastor is on a mission to exorcise as many demons as possible.

Closest encounters and first-hand experiences with abductions.

Friends in Utah track down a Bigfoot spotted in the mountains; a total skeptic is attacked by a spirit at a haunted fort in England; ghostly passengers appear in a Hong Kong airport.

The team investigates a haunting at an abandoned factory.

Cousins Billy and John Smith encounter a massive ship triple the size of a football stadium; guards at Malmstrom Air Force Base in Montana spot an unidentified object overhead.

Several dozen witnesses in Pennsylvania reported seeing a fiery object fall through the sky and land in nearby woods; hundreds of people stargazing in Phoenix, Arizona witness strange lights flying in a V-formation.

Hunt for evidence of foul play after a nurse's assistant is linked to 21 suspicious deaths in a West Virginia veterans' hospital; follow the FBI investigation, which finds proof that Reta Mays had been giving her patients lethal doses of insulin.

A dog that can detect cancer faster than doctors can do it by using sophisticated equipment; a horse that can read minds; birds that can sense disaster days before it happens.

A poltergeist wreaks havoc on a little girl's birthday party; paranormal investigators unwittingly trap an evil spirit inside a doll; a man captures chilling footage of an entity walking through walls.

In 1980, a UFO detected on military radar, lands near crucial NATO bases; a group of military personnel claim to have seen a shiny metallic object with coloured lights and hieroglyphic inscriptions.

A dog that can detect cancer faster than doctors can do it by using sophisticated equipment; a horse that can read minds; birds that can sense disaster days before it happens.

A poltergeist wreaks havoc on a little girl's birthday party; paranormal investigators unwittingly trap an evil spirit inside a doll; a man captures chilling footage of an entity walking through walls.

In 1980, a UFO detected on military radar, lands near crucial NATO bases; a group of military personnel claim to have seen a shiny metallic object with coloured lights and hieroglyphic inscriptions.

A dog that can detect cancer faster than doctors can do it by using sophisticated equipment; a horse that can read minds; birds that can sense disaster days before it happens.

Actor Bernie Kopell returns to the Niagara Falls hotel where he once saw a bloody ghost; Bernie and Kim search for answers.

Carnie Wilson travels to Weed, Calif. to visit the place where she was traumatized by a ghost many years ago.

Musician Jack Blades returns to his cousin's home in Alamogordo, N.M. where he once had a paranormal experience.

In 1980, a UFO detected on military radar, lands near crucial NATO bases; a group of military personnel claim to have seen a shiny metallic object with coloured lights and hieroglyphic inscriptions.

A man gravely regrets unleashing a demonic entity from a sealed box; a pub seems to have a resident ghost; a pastor is on a mission to exorcise as many demons as possible.

A Homeland Security officer is left shaken by an encounter with an otherworldly intruder inside an empty government building; a mysterious soldier saves a hospital corpsman's life during a hurricane; paramedics respond to a ghostly 911 call.

Paalini and Kim's mothers protect them from ghosts.

PRS returns to the site where the glove print of a ghostly miner was discovered.

Exploring Strathroy, an Ontario community with a dark past plagued by fires, train wrecks and serial killers; confronting the paranormal energy that engulfs the town and makes its residents the uneasy neighbours of poltergeists and phantoms.

Delving into the stories of killers who broke the Hippocratic Oath to use their medical knowledge for murder, taking the lives of often vulnerable victims instead of caring for them.

A home security camera captures a dog's scary encounter with a ghost; a strange creature is spotted deep within a cave in the Alps; people all over the globe witness UFOs during the daytime.

Examining the discarded syringe that proved to be a cruel nurse's fatal slip-up; learning how police found a telltale piece of evidence in Vickie Dawn Jackson's trash that proved she'd been injecting otherwise healthy patients with a deadly chemical.

Exploring Strathroy, an Ontario community with a dark past plagued by fires, train wrecks and serial killers; confronting the paranormal energy that engulfs the town and makes its residents the uneasy neighbours of poltergeists and phantoms.

The team investigates a haunting at an abandoned factory.

A home security camera captures a dog's scary encounter with a ghost; a strange creature is spotted deep within a cave in the Alps; people all over the globe witness UFOs during the daytime.

A poltergeist wreaks havoc on a little girl's birthday party; paranormal investigators unwittingly trap an evil spirit inside a doll; a man captures chilling footage of an entity walking through walls.

Three people encounter a craft and later suffer radiation poisoning symptons; a metallic object that blasts off when touched.

A Japanese air crew encounters blinding lights; a sheriff's car is engulfed by a beam of light.

Examining the discarded syringe that proved to be a cruel nurse's fatal slip-up; learning how police found a telltale piece of evidence in Vickie Dawn Jackson's trash that proved she'd been injecting otherwise healthy patients with a deadly chemical.

Discover why the perfect life of Scott Rogers, a charismatic pastor in Baton Rouge, Louisiana, was just smoke and mirrors. Untangle a web of lies, deceptions, and heinous crimes that left two people dead and tore his family and community apart.

Police investigate the murder of a popular insurance salesman in a small Midwestern town; as they untangle a web of lies and deceit, police discover that a religious leader hides some sinful secrets.

Kelly and Abbey help the Beaumont Police Department investigate the 1999 disappearance of a popular single mother; one of the men seeking her affection may have taken their obsession too far.

Looking beneath the veneer of money, connections and fast cars that surrounded Tennessee couple Joe and Tina Coronna; learning how secret lovers, shady investments and threats to reveal Joe's financial sins added up to the perfect recipe for murder.

Police investigate the murder of a popular insurance salesman in a small Midwestern town; as they untangle a web of lies and deceit, police discover that a religious leader hides some sinful secrets.

When a brilliant scientist and devoted family man is found beaten to death, the evidence leads to arrests, but an astounding revelation turns the investigation on its head.

Doug risks parole when a family feud breaks out; Nicolle's shocking confession stuns Daonte; Stan begs for forgiveness, but Lisa has demands; Britney is stunned when she's not the only woman at Ray's release; Anissa gets a devastating call.

Lisa's risky run-in with the cops spells trouble; Daonte's mom grills Nicolle; Jeff keeps a secret from Anissa; Courtney plans her wedding, but fears her relationship is on the rocks; Britney learns she's not the only woman fighting for Ray's love.

Daonte is stunned when he catches Nicolle with her ex; Rachel freaks when Doug shows his true colors; a former prison guard confronts her lover; Stan's apology brings on a sexy reunion; Jeff reveals a secret that could crush Anissa.

Nicolle risks all with a sexy night out behind Daonte's back; Jeff's spending spree shocks Anissa, but a secret changes everything; Doug's surprise stuns Rachel; Lisa's big demand sparks tension with Stan; Ray's family grills Britney.

An investigation into the Mantell UFO, with new scientific evidence behind the UFO encounter in Levelland, Texas.

Carnie Wilson travels to Weed, Calif. to visit the place where she was traumatized by a ghost many years ago.

A New Jersey beauty salon is close to train tracks that may be haunted.

A police officer's family is tormented by demons.

Paid programming.

The PRS investigates a poor house that has a troubled history; one team member must confront their past.

In 1980, a UFO detected on military radar, lands near crucial NATO bases; a group of military personnel claim to have seen a shiny metallic object with coloured lights and hieroglyphic inscriptions.

Entities possess an old photograph, a motorbike and a vintage car, opening up a world of confusion and terror for the owners.

A Pennsylvania family is terrorized by a shadowy entity; a brazen Bigfoot appears in front of a large group of shocked witnesses in Oregon; two UFOs put on a show in the skies above Bath, England.

Investigate the double life of Mitesh Patel, a pharmacist who killed his wife, Jessica, in cold blood; uncover a pattern of abuse, secrecy and betrayal and see how cops used mobile phone data to map his movements at the moment of the murder.

When a wife and mother is horrifically murdered in a wealthy suburb, police uncover a hidden world of sex and drugs that leads them to a killer they never expected.

When a brilliant scientist and devoted family man is found beaten to death, the evidence leads to arrests, but an astounding revelation turns the investigation on its head.

A Pennsylvania family is terrorized by a shadowy entity; a brazen Bigfoot appears in front of a large group of shocked witnesses in Oregon; two UFOs put on a show in the skies above Bath, England.

Exploring Strathroy, an Ontario community with a dark past plagued by fires, train wrecks and serial killers; confronting the paranormal energy that engulfs the town and makes its residents the uneasy neighbours of poltergeists and phantoms.

Discovering why the electromagnetic energy in mineral-rich mining areas seems to attract paranormal activity; facing down spirits that have made themselves at home in a California farmhouse; a clown-themed motel that is no laughing matter.

Investigate the double life of Mitesh Patel, a pharmacist who killed his wife, Jessica, in cold blood; uncover a pattern of abuse, secrecy and betrayal and see how cops used mobile phone data to map his movements at the moment of the murder.

Liam describes the overbearing ghost boy that terrified him for years in his family's farmhouse; investigate this strange apparition with Danny, who uncovers generations' worth of hushed-up sightings by Liam's family and friends.

Maurice becomes annoyed when Guy enlists the services of a medium; information is revealed about the nature of the dark entity.

Vanessa Mitchell buys a house rumored to be a former witches' prison, and experiences increasingly strange incidents in her home.

Liam describes the overbearing ghost boy that terrified him for years in his family's farmhouse; investigate this strange apparition with Danny, who uncovers generations' worth of hushed-up sightings by Liam's family and friends.

Maurice becomes annoyed when Guy enlists the services of a medium; information is revealed about the nature of the dark entity.

Vanessa Mitchell buys a house rumored to be a former witches' prison, and experiences increasingly strange incidents in her home.

Brett Ryan paves a long road of deception. The serial-lying ex-con hides his bank-robbing past from his fiancé and misleads his family, before a late-night confession to his mother leads to a murder no one could have seen coming.

Taking a look at a violent home invasion that may actually have been a case of mistaken identity; CID Detective Simon Hawkins and his team track down the offenders and confront them with evidence that could put them behind bars.

Investigating an alarming string of burglaries targeting the elderly with CID Inspector Tom Smith and his team; they narrow down the suspect list and focus their attention on a slippery felon who is wise to all of their tactics.

A detective squad pieces together how a man was robbed, badly beaten and left with no memory of the incident; hunting down a promising lead and seeing if CCTV footage of the suspects is enough for a confrontation in the interview room.

Paalini and Kim's mothers protect them from ghosts.

Every family has a ghost story. A child who recognizes a long-deceased grandparent in a photo album, a distraught daughter seeing her mother moments after she passes. But do these supernatural occurrences persist for a deeper, ancestral reason?

A young mother is viciously attacked by an evil spirit after attempting to cleanse negative energy from her home; teenage siblings encounter a terrifying demonic figure while house sitting.

Ryan investigates a haunted jailhouse and finds that the spirits are facing a form of torture.

An old southern plantation has a dark history and an angry spirit.

Kelly and Abbey help the Beaumont Police Department investigate the 1999 disappearance of a popular single mother; one of the men seeking her affection may have taken their obsession too far.

The team finds startling paranormal links to Montreal's boozy, corrupt past in the 1920s and '30s, such as a man whose corpse became an attraction, a woman haunted by ghost children, and a murder victim in a notorious cabaret.

What begins as a hunt for a paranormal research facility in America's most haunted state turns into a journey filled with mysterious and heartwarming discoveries for a team of supernatural investigators.

Friends test a local legend about a haunted bridge; a UFO is spotted from a plane window over California; a horrifying creature from the darkest corners of the internet is found in Oregon.

Learn how Dr. Lisa Tseng, a community doctor in Los Angeles, overprescribed pain medication to a host of young men and ended up with a life sentence for murder.

In 1980, a UFO detected on military radar, lands near crucial NATO bases; a group of military personnel claim to have seen a shiny metallic object with coloured lights and hieroglyphic inscriptions.

Kelly and Abbey help the Beaumont Police Department investigate the 1999 disappearance of a popular single mother; one of the men seeking her affection may have taken their obsession too far.

Friends test a local legend about a haunted bridge; a UFO is spotted from a plane window over California; a horrifying creature from the darkest corners of the internet is found in Oregon.

Maurice becomes annoyed when Guy enlists the services of a medium; information is revealed about the nature of the dark entity.

Investigating the consequences of not letting the deceased rest in peace; a look into how a plot of Mississippi land and a Michigan home became living nightmares.

Learn how Dr. Lisa Tseng, a community doctor in Los Angeles, overprescribed pain medication to a host of young men and ended up with a life sentence for murder.

Ben and Sean head to Gwrych Castle to investigate a haunting.

What begins as a hunt for a paranormal research facility in America's most haunted state turns into a journey filled with mysterious and heartwarming discoveries for a team of supernatural investigators.

Every family has a ghost story. A child who recognizes a long-deceased grandparent in a photo album, a distraught daughter seeing her mother moments after she passes. But do these supernatural occurrences persist for a deeper, ancestral reason?

A police officer's family is tormented by demons.

Ben and Sean head to Gwrych Castle to investigate a haunting.

What begins as a hunt for a paranormal research facility in America's most haunted state turns into a journey filled with mysterious and heartwarming discoveries for a team of supernatural investigators.

Every family has a ghost story. A child who recognizes a long-deceased grandparent in a photo album, a distraught daughter seeing her mother moments after she passes. But do these supernatural occurrences persist for a deeper, ancestral reason?

A police officer's family is tormented by demons.

When the strangling death of a young mother and bride-to-be baffles police, detectives probe a workplace grievance in search of a killer, before a cherished possession provides a link to the crime and cracks the case wide open.

Fresh from her trip to the U.S., Nikki and the Lyell unit are called to investigate an attack against a trans man; when two further attacks are reported, it looks like the team is facing an outbreak of violence.

The mistake in the investigation forces Thomas into the role of a scapegoat.

After a teenager is killed in a meth lab explosion, his teacher resolves to confront the drug dealers preying on his community; dangerous new drugs are hitting the streets, and the effects are evident to the team as they deal with the rise in deaths.

A forensic technician is horrified to discover the dead have followed him home from the morgue. A caretaker develops an unhealthy obsession with an abandoned hospital after a terrifying brush with the paranormal.

A man gravely regrets unleashing a demonic entity from a sealed box; a pub seems to have a resident ghost; a pastor is on a mission to exorcise as many demons as possible.

A teen sees an unusual pattern of lights in the sky and is terrified when they seem to dive-bomb him; a UFO sighting in France becomes one of the most scientifically investigated cases.

Hosts Leo Stakos, Ron James and Jeff Chisholm set their sights on great fishing destinations.

A paramedic is haunted by the restless spirit of a dead Army officer; a security guard encounters a demonic presence while investigating an abandoned hospital ward.

Ben and Sean head to Gwrych Castle to investigate a haunting.

Dozens of people witnessed a deadly attack, but no one is able to identify the gang members involved in the incident.

The team emabarks on an action-packed investigation at the home of actor Simon Gregson in Wilmslow, Cheshire.

When the strangling death of a young mother and bride-to-be baffles police, detectives probe a workplace grievance in search of a killer, before a cherished possession provides a link to the crime and cracks the case wide open.

Investigators have no shortage of suspects when a Wall Street millionaire is murdered in the middle of a bitter divorce; they must untangle a series of illicit affairs and dangerous liaisons to uncover the surprising identity of the killer.

The lifelong friendship of two men is threatened when they both love the same woman, leading investigators to suspect murder when one of them disappears.

A paranormal investigation at Sands Lake.

Stepping into the crosshairs in Bellaire, a village that sits on a focal point for paranormal energy; exploring the bloody history of warfare, mining disasters and mass casualties that make this town a haunted hot spot.

In 1980, a UFO detected on military radar, lands near crucial NATO bases; a group of military personnel claim to have seen a shiny metallic object with coloured lights and hieroglyphic inscriptions.

Ben and Sean head to Gwrych Castle to investigate a haunting.

Dr. Small's tragic death is her husband's work.

The triple trauma that made Danielle turn to drugs to relieve her pain; her life on the streets, hustling for her next fix, and seeing if the love of her five children is enough to push her to get the help she desperately needs.

In 1980, a UFO detected on military radar, lands near crucial NATO bases; a group of military personnel claim to have seen a shiny metallic object with coloured lights and hieroglyphic inscriptions.

Kelly and Abbey help the Beaumont Police Department investigate the 1999 disappearance of a popular single mother; one of the men seeking her affection may have taken their obsession too far.

A witch taunts paranormal investigators in a haunted graveyard; a woman's late husband checks in on their sleeping baby; an erupting volcano spews lava and paranormal activity.

Looking beneath the veneer of money, connections and fast cars that surrounded Tennessee couple Joe and Tina Coronna; learning how secret lovers, shady investments and threats to reveal Joe's financial sins added up to the perfect recipe for murder.

The biggest mysteries that surround some of the biggest families in America, including the disappearance of Jimmy Hoffa and the conspiracy of John F. Kennedy's missing brain.

Cousins Billy and John Smith encounter a massive ship triple the size of a football stadium; guards at Malmstrom Air Force Base in Montana spot an unidentified object overhead.

Several dozen witnesses in Pennsylvania reported seeing a fiery object fall through the sky and land in nearby woods; hundreds of people stargazing in Phoenix, Arizona witness strange lights flying in a V-formation.

Three people encounter a craft and later suffer radiation poisoning symptons; a metallic object that blasts off when touched.

A Japanese air crew encounters blinding lights; a sheriff's car is engulfed by a beam of light.

A haunted museum claims to house the most possessed doll in the U.K.; in Yorkshire, Russell claims to have been abducted by aliens over 60 times.

A look at what could cause once-thriving groups of people to just abandon their great cities, never to return; modern scientific knowledge may be able to help answer the unsolved questions surrounding these lost civilizations.

Kelly and Abbey help the Beaumont Police Department investigate the 1999 disappearance of a popular single mother; one of the men seeking her affection may have taken their obsession too far.

Every family has a ghost story. A child who recognizes a long-deceased grandparent in a photo album, a distraught daughter seeing her mother moments after she passes. But do these supernatural occurrences persist for a deeper, ancestral reason?

Hosts Leo Stakos, Ron James and Jeff Chisholm set their sights on great fishing destinations.

Members of the public discover that it is never a good idea to invite ghosts into your life.

The triple trauma that made Danielle turn to drugs to relieve her pain; her life on the streets, hustling for her next fix, and seeing if the love of her five children is enough to push her to get the help she desperately needs.

The team tries to contact Jake Quickenden's late father and brother, but instead uncover a startling secret about Jake.

Ryan brings PRS to his hometown to investigate the case of a spectral child.

An innkeeper and his guests claim to have sexual encounters with a spirit.

When a wife and mother is horrifically murdered in a wealthy suburb, police uncover a hidden world of sex and drugs that leads them to a killer they never expected.

The triple trauma that made Danielle turn to drugs to relieve her pain; her life on the streets, hustling for her next fix, and seeing if the love of her five children is enough to push her to get the help she desperately needs.

Looking beneath the veneer of money, connections and fast cars that surrounded Tennessee couple Joe and Tina Coronna; learning how secret lovers, shady investments and threats to reveal Joe's financial sins added up to the perfect recipe for murder.

A look at what could cause once-thriving groups of people to just abandon their great cities, never to return; modern scientific knowledge may be able to help answer the unsolved questions surrounding these lost civilizations.

Liam describes the overbearing ghost boy that terrified him for years in his family's farmhouse; investigate this strange apparition with Danny, who uncovers generations' worth of hushed-up sightings by Liam's family and friends.

Kelly and Abbey help the Beaumont Police Department investigate the 1999 disappearance of a popular single mother; one of the men seeking her affection may have taken their obsession too far.

Looking beneath the veneer of money, connections and fast cars that surrounded Tennessee couple Joe and Tina Coronna; learning how secret lovers, shady investments and threats to reveal Joe's financial sins added up to the perfect recipe for murder.

A witch taunts paranormal investigators in a haunted graveyard; a woman's late husband checks in on their sleeping baby; an erupting volcano spews lava and paranormal activity.

A family's Bigfoot sighting; Cyclops' return; a levitating girl in the Russian woods; a cool UFO maneuver; a vengeful ghost soldier; an anti-school Irish spirit.

A man gravely regrets unleashing a demonic entity from a sealed box; a pub seems to have a resident ghost; a pastor is on a mission to exorcise as many demons as possible.

A witch taunts paranormal investigators in a haunted graveyard; a woman's late husband checks in on their sleeping baby; an erupting volcano spews lava and paranormal activity.

Exploring Strathroy, an Ontario community with a dark past plagued by fires, train wrecks and serial killers; confronting the paranormal energy that engulfs the town and makes its residents the uneasy neighbours of poltergeists and phantoms.

Liam describes the overbearing ghost boy that terrified him for years in his family's farmhouse; investigate this strange apparition with Danny, who uncovers generations' worth of hushed-up sightings by Liam's family and friends.

A look at what could cause once-thriving groups of people to just abandon their great cities, never to return; modern scientific knowledge may be able to help answer the unsolved questions surrounding these lost civilizations.

A bar-hopping young man fights for his life; detectives pinpoint the assailants on CCTV footage, then find out if the mounting evidence they've uncovered is enough to secure them a conviction.

A drug gang's turf war erupts into knife-wielding violence; investigators' hope to coax a confession out of the top dog and take down the whole network.

Detective Constable Tim Lamb and his team test the strength of their case after a seasoned drug dealer floors them with a surprise confession; his tearful claim of coercion may be real or may be an elaborate ruse to evade justice.

When police find the body of a popular taxi driver stuffed inside the trunk of his own car,which is submerged in a river, they struggle to find suspects -- until the truth begins to emerge.

Police in Michigan, struggling to solve the murder of a beloved scrapyard owner, get a break in the case when an ex-cop's suicide note exposes a web of lies and a secret affair.

The home of.

PRS investigates a haunted house but finds that the residents may have invited the spirits in.

Rachel makes a shocking discovery about Doug; Daonte faces Nicolle's ex; Lisa's ex-con brother interrogates Stan; Jeff uncovers Anissa's secret and a wild brawl breaks out; Josh gives Courtney a romantic surprise; Britney's confession stuns her dad.

The home of.

Paid programming.

When a wife and mother is horrifically murdered in a wealthy suburb, police uncover a hidden world of sex and drugs that leads them to a killer they never expected.

A Pennsylvania family is terrorized by a haunted doll; two friends witness a fleet of UFOs in the night sky; a man encounters the infamous Yowie in the Australian outback.

Suspicion builds as the DaVita dialysis center in Texas experiences a huge increase in code blues, with many patients succumbing to their injuries.

When shoe print bruises are found on the body of a teenage girl, the investigators attempt to make sense of a tangled web of false leads, witness statements, and CCTV footage.

When a wife and mother is horrifically murdered in a wealthy suburb, police uncover a hidden world of sex and drugs that leads them to a killer they never expected.

A Pennsylvania family is terrorized by a haunted doll; two friends witness a fleet of UFOs in the night sky; a man encounters the infamous Yowie in the Australian outback.

Nikki and the Lyell team's investigation focuses on the non-flying pilot who was hitching a lift; the investigation takes a turn when a connection to a sinister online forum is discovered; a grieving Matt's inability to focus strains Nikki.

Students in Australia witness a saucer-shaped object touch down; a man's car and cell phone stop working when a cigar-shaped object passes overhead.

A teen views a mushroom-shaped object that leaves a glowing ring on the ground; police officers witness a large triangular object.

Suspicion builds as the DaVita dialysis center in Texas experiences a huge increase in code blues, with many patients succumbing to their injuries.

On the morning of his graduation, a young man discovers his father dead on his front steps, stabbed in the heart; it's up to the.

Delving into the stories of killers who broke the Hippocratic Oath to use their medical knowledge for murder, taking the lives of often vulnerable victims instead of caring for them.

When police find the body of a popular taxi driver stuffed inside the trunk of his own car,which is submerged in a river, they struggle to find suspects -- until the truth begins to emerge.

On the morning of his graduation, a young man discovers his father dead on his front steps, stabbed in the heart; it's up to the.

Delving into the stories of killers who broke the Hippocratic Oath to use their medical knowledge for murder, taking the lives of often vulnerable victims instead of caring for them.

When a wife and mother is horrifically murdered in a wealthy suburb, police uncover a hidden world of sex and drugs that leads them to a killer they never expected.

A couple learns they're sharing their hotel room with a ghostly guest in Arkansas; a strange formation floats over a Philadelphia neighborhood; a monstrous creature washes up on a beach in the Philippines.

DI Kate Ashton looks into a group of dealers who recruit young men to push drugs.

The Lyell team looks into a case in Brighton where a body part is located in a waste dump; once the team pieces the body together, they find the victim is covered in unusual tattoos.

The team finds the remains of a second victim and must piece everything together to find the serial killer.

Long term care facilities with elevated paranormal activity. Featuring: Oralia Cortez, Emily Bailey, Kaitlyn Elizabeth.

When a wife and mother is horrifically murdered in a wealthy suburb, police uncover a hidden world of sex and drugs that leads them to a killer they never expected.

A couple believes the old farm they moved into is haunted.

Scratches appear on a woman's back spontaneously, but her credibility is in question.

Delving into the stories of killers who broke the Hippocratic Oath to use their medical knowledge for murder, taking the lives of often vulnerable victims instead of caring for them.

The team helps the Abilene Police Department investigate the heartbreaking double homicide of a devoted mother and her young daughter strangled in their home; DNA evidence left at the scene might help identify their killer.

Zack discovers a secret room which is full of deadly surprises; an Urban Explorer spends the night in a house of horrors; and two best friends dig up more than they bargained for when they discover a witches' ladder containing a sinister spell.

A shadow figure is spotted in a graveyard; a Hong Kong family is perplexed by a radiating light in the evening sky; a couple opens their arms to all things supernatural.

Malcolm Webster's wife, Claire, died in a car crash in a remote part of Scotland; his second wife Felicity almost dies in similar circumstances in New Zealand.

Zack discovers a secret room which is full of deadly surprises; an Urban Explorer spends the night in a house of horrors; and two best friends dig up more than they bargained for when they discover a witches' ladder containing a sinister spell.

Aircraft pilots and passengers have a scary experience when they come into close proximity to objects that doesn't appear on radar, accelerate at dizzying speeds and then stop on a dime.

A shadow figure is spotted in a graveyard; a Hong Kong family is perplexed by a radiating light in the evening sky; a couple opens their arms to all things supernatural.

Ben and Sean head to Gwrych Castle to investigate a haunting.

Soldiers encounter a luminous triangular-shaped craft in an English field; witnesses report a metallic object hovering over water.

A silent, orange football-shaped object is spotted over Loring Air Force Base in Maine; a Swedish farmer witnesses a crash into a lake.

Malcolm Webster's wife, Claire, died in a car crash in a remote part of Scotland; his second wife Felicity almost dies in similar circumstances in New Zealand.

Dracula, Lycaon of Arcadia, the Beast of Gévaudan; these are the names of grotesque monsters who have reared their terrifying heads throughout history, unearthly creatures that thrived on human blood and flesh.

A former skeptic endures 10 years of paranormal phenomena in his home; a man believes an angry spirit is punishing him for filming in an abandoned asylum; a young woman finds true love -- with her doll.

Triangle shaped hovering objects are seen by thousands of people and investigated by scientists and government officials, yet they could never be explained; the sightings occurred in a more than two year wave over Belgium, beginning in late 1989.

Dracula, Lycaon of Arcadia, the Beast of Gévaudan; these are the names of grotesque monsters who have reared their terrifying heads throughout history, unearthly creatures that thrived on human blood and flesh.

A former skeptic endures 10 years of paranormal phenomena in his home; a man believes an angry spirit is punishing him for filming in an abandoned asylum; a young woman finds true love -- with her doll.

Triangle shaped hovering objects are seen by thousands of people and investigated by scientists and government officials, yet they could never be explained; the sightings occurred in a more than two year wave over Belgium, beginning in late 1989.

Dracula, Lycaon of Arcadia, the Beast of Gévaudan; these are the names of grotesque monsters who have reared their terrifying heads throughout history, unearthly creatures that thrived on human blood and flesh.

Sally Struthers returns to her former Brentwood, Calif., home to uncover the secrets of the restless soul therein.

Patrick Muldoon revisits an inn in Charleston, S.C., where he was attacked by an evil entity.

Kim Carnes returns to the farmhouse in Franklin, Tenn., where she once resided with a childlike spirit.

Triangle shaped hovering objects are seen by thousands of people and investigated by scientists and government officials, yet they could never be explained; the sightings occurred in a more than two year wave over Belgium, beginning in late 1989.

Zack discovers a secret room which is full of deadly surprises; an Urban Explorer spends the night in a house of horrors; and two best friends dig up more than they bargained for when they discover a witches' ladder containing a sinister spell.

Mitch's dead father and Salwa's ghostly sister return to tell the two how to live their lives.

Kelly and Steve aid the Racine Police Department in solving the homicide of a young mother abducted from her job as a security guard and found bound and gagged in the trunk of her car.

Diving into a harrowing investigation to find out why a young mom is being tormented by her connection to a girl who was murdered in her area years ago; the team uncovers whether she has psychic abilities or if something more sinister is at work.

Stepping into the crosshairs in Bellaire, a village that sits on a focal point for paranormal energy; exploring the bloody history of warfare, mining disasters and mass casualties that make this town a haunted hot spot.

Delving into the stories of killers who broke the Hippocratic Oath to use their medical knowledge for murder, taking the lives of often vulnerable victims instead of caring for them.

A haunted basket mystifies a mother and daughter, a mythical creature is spotted in Wales and two intrepid investigators come face-to-face with Slenderman.

While investigating the murder of a devoutly religious couple, police uncover dark family secrets, leading them to a shocking suspect.

Stepping into the crosshairs in Bellaire, a village that sits on a focal point for paranormal energy; exploring the bloody history of warfare, mining disasters and mass casualties that make this town a haunted hot spot.

Ben and Sean head to Gwrych Castle to investigate a haunting.

A haunted basket mystifies a mother and daughter, a mythical creature is spotted in Wales and two intrepid investigators come face-to-face with Slenderman.

A former skeptic endures 10 years of paranormal phenomena in his home; a man believes an angry spirit is punishing him for filming in an abandoned asylum; a young woman finds true love -- with her doll.

A man observes a saucer-shaped object in a lagoon; an unusual light in a field causes the driver to veer off the road.

A policeman discovers an oval-shaped object without windows or doors; a woman spots an aura of light surrounding a small tree.

While investigating the murder of a devoutly religious couple, police uncover dark family secrets, leading them to a shocking suspect.

Examining the evil acts that Jennifer Sybert, a hairdresser in Florida, tried to keep hidden from her colleague, top stylist Joleen Cummings; an entanglement with Joleen's ex blows the lid off Jennifer's criminal past, and leads to a ghastly slaying.

When a wife and mother is horrifically murdered in a wealthy suburb, police uncover a hidden world of sex and drugs that leads them to a killer they never expected.

On the morning of his graduation, a young man discovers his father dead on his front steps, stabbed in the heart; it's up to the.

With all the secrets, lies, greed, and infidelity, Ernie and Charlene Scherer's American-dream life was not exactly what it seemed like; a look into how the exposure of their dangerous double life led to one last fatal gamble.

When a wife and mother is horrifically murdered in a wealthy suburb, police uncover a hidden world of sex and drugs that leads them to a killer they never expected.

When police find the body of a popular taxi driver stuffed inside the trunk of his own car,which is submerged in a river, they struggle to find suspects -- until the truth begins to emerge.

Rachel makes a shocking discovery about Doug; Daonte faces Nicolle's ex; Lisa's ex-con brother interrogates Stan; Jeff uncovers Anissa's secret and a wild brawl breaks out; Josh gives Courtney a romantic surprise; Britney's confession stuns her dad.

Haley drops $25,000 on an inmate; Indie plans to follow her psychic's controversial advice, but her mama won't have it; Gabby's funded by her felon fiancé and plans an over-the-top wedding for his release; Max fears Tara may be a catfish.

Indie's bounty-hunter mom uncovers the truth about her felon fiancé; Gabby's wedding dilemma.

Haley defies Dalton and meets his father anyway; Max learns some shocking news about Tara; Santiba's sexy photo shoot fizzles; Tai goes on a date with a non-con but Boston interrupts; Gabby gets mixed signals from Felicia.