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.

Uncover impostors' most daring secrets. Learn how Ferdinand Demara impersonated a naval surgeon despite having no medical credentials, meet a devious faux Rockefeller, and discover why Billy Tipton hid her real identity for a chance at a jazz career.

An unknown entity continues to torment a New Jersey family; a strange specter spies on a paranormal investigator at an abandoned train station in Sweden; a woman captures a mysterious dark mass hovering in the skies above Houston.

Why Tristan hid his identity struggles and the abuse he witnessed at home by playing the part of the golden child; how a sexual assault led him to spiral into alcoholism, destroying his liver and leaving his family afraid for his life.

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.

Childhood friends Ashley Taylor and Kevin Sweat reconnect as adults; Ashley's strange pre-wedding disappearance sheds light on Kevin's disturbing past and his connection to a string of unsolved murders.

The double life of Ashlie Stapp led to feed her addiction; she kept her US Marine boyfriend in the dark while manipulating ham radio operator Henry Stange into giving her painkillers, with fatal results for this love triangle.

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.

Childhood friends Ashley Taylor and Kevin Sweat reconnect as adults; Ashley's strange pre-wedding disappearance sheds light on Kevin's disturbing past and his connection to a string of unsolved murders.

The double life of Ashlie Stapp led to feed her addiction; she kept her US Marine boyfriend in the dark while manipulating ham radio operator Henry Stange into giving her painkillers, with fatal results for this love triangle.

The Paranormal Research Society helps a single mother experiencing activity in a home that was once the site of brutal murders.

Ryan assembles his top investigators in preparation for facing the demon that has been following him.

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.

Childhood friends Ashley Taylor and Kevin Sweat reconnect as adults; Ashley's strange pre-wedding disappearance sheds light on Kevin's disturbing past and his connection to a string of unsolved murders.

The double life of Ashlie Stapp led to feed her addiction; she kept her US Marine boyfriend in the dark while manipulating ham radio operator Henry Stange into giving her painkillers, with fatal results for this love triangle.

A couple's lifelong dream of opening a bed and breakfast is put on hold while an evil entity takes possession of their daughter; a British couple's holiday turns into a living nightmare when hotel spirits seek to steal their souls.

Learning why stone, metal, and water attract paranormal forces; examining a limestone mansion in Ind. that's tied to the spirit world; following the path of Ohio's soul-attracting rivers; spotting the inexplicable in a Va. inn atop a former mine.

A man discovers why he got such a good deal on his new mansion; a family uncovers a spooky basement room; a couple finds items in their home that have spirits attached.

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

In the summer of 1952, stories of U.S. Air Force jets chasing UFOs over the White House knock the Korean War off the front pages of newspapers; as rumors spread, President Harry S. Truman demands to know what was flying over his house.

The team confront rumors that there's a portal to hell at Mackey's basement.

On a September morning in 1994, students at a Zimbabwe school witness a silver craft land in a nearby field; numerous adults corroborate the UFO sighting, but the children are silenced; many maintain their account of the incident is true.

TV personality, Audrina Patridge, returns to a pub in Chicago where she was accosted by an angry spirit; Audrina and Kim's journey takes an unexpected turn.

The cascade of trauma and toxic relationships that turned former teen beauty queen Jessica into a severely addicted dealer.

A Bigfoot enthusiast captures evidence of the legendary cryptid's elusive cousin -- the Ohio Grassman; mysterious glowing orbs manifest in the Utah desert; a haunted doll torments a Canadian family.

On a September morning in 1994, students at a Zimbabwe school witness a silver craft land in a nearby field; numerous adults corroborate the UFO sighting, but the children are silenced; many maintain their account of the incident is true.

In the summer of 1952, stories of U.S. Air Force jets chasing UFOs over the White House knock the Korean War off the front pages of newspapers; as rumors spread, President Harry S. Truman demands to know what was flying over his house.

A Bigfoot enthusiast captures evidence of the legendary cryptid's elusive cousin -- the Ohio Grassman; mysterious glowing orbs manifest in the Utah desert; a haunted doll torments a Canadian family.

The cascade of trauma and toxic relationships that turned former teen beauty queen Jessica into a severely addicted dealer.

Melanie's family hopes an intervention will save her, after a lifetime of trauma.

A firefighter encounters a terrifying apparition at the scene of a house fire; a police officer witnesses a ghostly priest administer last rites to an injured child; a security guard hunts for an invisible intruder inside a remote warehouse.

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.

Melanie's family hopes an intervention will save her, after a lifetime of trauma.

A firefighter encounters a terrifying apparition at the scene of a house fire; a police officer witnesses a ghostly priest administer last rites to an injured child; a security guard hunts for an invisible intruder inside a remote warehouse.

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 tackles the mysterious 1986 murder of a young Native American mother whose skull was found in the woods; her infant daughter, now grown, is desperate to know if her father was involved.

Kelly and Steve investigate the murder of a 17-year-old girl found strangled to death by the railroad tracks.

A surge of sightings in Colares, Brazil in 1977 causes major panic and thousands of people leave the island as a result; On a dairy farm in Australia, a mysterious flying object causes a brutal headache for the farmer.

Officials have to decide how to confront a large, unidentified object hovering over one of America's most secure Air Force bases; a priest communicates with four beings on a saucer-shaped metallic craft in Papua, New Guinea.

Two brothers witness something extraordinary that defies explanation while hunting in Idaho; a strange metal craft passes over Antananarivo, Madagascar.

Odd light patterns are seen across multiple counties in Texas on the same night; In France, after a powerful encounter a man's previous knee injury is completely healed.

A paranormal author seeks the ghosts of the owners of a haunted Inn who died by suicide; a mother-daughter ghost hunting team become the target of terrifying entities; a correctional officer comes under attack by an invisible force.

Tracking down the screaming ghost of legislator Cassius Marcellus Clay, who allegedly wanders the halls of the fabled White Hall manor; the team does a thorough investigation and looks inside the life of this unyielding political figure.

Sydney Drew and his wife see spirits in their home, but after their son's birth the activity changes for the worse; a family moves in with a whole host of terrifying spirits; apparitions plague another family, with one of them particularly troubling.

Discovering who or what was rattling drawers, ringing bells and flushing toilets in Ian's childhood home; revisiting an event that changed his life forever.

Learning why stone, metal, and water attract paranormal forces; examining a limestone mansion in Ind. that's tied to the spirit world; following the path of Ohio's soul-attracting rivers; spotting the inexplicable in a Va. inn atop a former mine.

Chilling challenges in a terrifying Benton farmhouse; shape-shifter on the prowl; whispers in the air; unseen hands at play; a historic secret waits to be unraveled.

Lt. Ryan Graves and pilots in his squadron detect and engage with UFOs on multiple occasions; he gave a detailed description of regular encounters that flight teams had with a black box UFO they were seeing every day.

Comic/actor Orlando Jones revisits the North Carolina hotel where he had a paranormal experience so frightening that it forced him to flee in the middle of the night.

Cody and Erin's dependence on drugs and each other has derailed their lives.

Two brothers attempt to communicate with a doll with a demonic disposition; a backwoods biker encounters evidence of skinwalker activity; UFOs crash an Independence Day celebration.

Lt. Ryan Graves and pilots in his squadron detect and engage with UFOs on multiple occasions; he gave a detailed description of regular encounters that flight teams had with a black box UFO they were seeing every day.

Melanie's family hopes an intervention will save her, after a lifetime of trauma.

Two brothers attempt to communicate with a doll with a demonic disposition; a backwoods biker encounters evidence of skinwalker activity; UFOs crash an Independence Day celebration.

Cody and Erin's dependence on drugs and each other has derailed their lives.

Discovering evil beings that hide in the shadows, waiting for a chance to pounce; eeing why a Pennsylvania well is a gateway to terror; crossing paths with an otherworldly stalker in Georgia; exorcise a dark spirit in a South Carolina family home.

Hunt for the truth in Massachussetts; Salem's ghosts -- including that of the first woman hanged for witchcraft -- reveal things about the city's infamous witch trials; a message from a man executed in the worst way imaginable.

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; do these supernatural occurrences persist for a deeper, ancestral reason?

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; do these supernatural occurrences persist for a deeper, ancestral reason?

Discovering evil beings that hide in the shadows, waiting for a chance to pounce; eeing why a Pennsylvania well is a gateway to terror; crossing paths with an otherworldly stalker in Georgia; exorcise a dark spirit in a South Carolina family home.

Hunt for the truth in Massachussetts; Salem's ghosts -- including that of the first woman hanged for witchcraft -- reveal things about the city's infamous witch trials; a message from a man executed in the worst way imaginable.

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

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.

Tracking down the source of mysterious footsteps at the deserted jail, where supernatural activity is a daily occurrence; pursuing elusive spectres with the team and a local paranormal investigator who knows the property's deepest, darkest secrets.

Returning to the Grand Victorian in search of ghostly Union soldiers who like to move furniture; learning why some of the paranormal claims made here are bogus; exploring the tunnels underneath, which may have been part of the Underground Railroad.

A surge of sightings in Colares, Brazil in 1977 causes major panic and thousands of people leave the island as a result; On a dairy farm in Australia, a mysterious flying object causes a brutal headache for the farmer.

Officials have to decide how to confront a large, unidentified object hovering over one of America's most secure Air Force bases; a priest communicates with four beings on a saucer-shaped metallic craft in Papua, New Guinea.

Learning why stone, metal, and water attract paranormal forces; examining a limestone mansion in Ind. that's tied to the spirit world; following the path of Ohio's soul-attracting rivers; spotting the inexplicable in a Va. inn atop a former mine.

When a person's day job involves the oversight of missile silos, nuclear facilities or a military base, the last complication they want to deal with is a close encounter with a UFO; here, an already frightening phenomenon turns positively chilling.

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.

In the summer of 1952, stories of U.S. Air Force jets chasing UFOs over the White House knock the Korean War off the front pages of newspapers; as rumors spread, President Harry S. Truman demands to know what was flying over his house.

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.

A trio of explorers get much more than they bargained for in an abandoned asylum in the UK; a look at an irate, door-slamming, doorbell-ringing phantom that keeps freaking a New York family out.

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.

The team is invited to Castle Goring in West Sussex, the home of reality TV royalty Lady Colin Campbell.

Discovering evil beings that hide in the shadows, waiting for a chance to pounce; eeing why a Pennsylvania well is a gateway to terror; crossing paths with an otherworldly stalker in Georgia; exorcise a dark spirit in a South Carolina family home.

Learning that their posh neighbors have an ancient claim over their land, Mike and Alison throw a swanky dinner party to help resolve the issue; with the ghosts their only guide to high-class decorum, the evening starts badly and only gets worse.

Now juggling day jobs with their endless renovations, Mike and Alison are both penniless and exhausted when a luxury hotel chain makes them an offer they can't refuse; the ghosts vow to help the cash-strapped couple with get-rich-quick schemes.

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.

Explores why Diana's former butler, Paul Burrell, thinks that strange smoke and noises in his home can be a sign that the People's Princess is reaching out from beyond the grave; The team's investigation opens the door for two lost souls to reunite.

Kevin's addiction to prescription opiates drives his family to the edge of bankruptcy; his loved ones come together, hoping to help him stop stealing for his habit.

For the 100th case, the 2007 murder of a popular college student who was stabbed to death in her bed; help is needed from forensic pathologist, digital forensics expert and DNA lab to solve the case.

In the summer of 1952, stories of U.S. Air Force jets chasing UFOs over the White House knock the Korean War off the front pages of newspapers; as rumors spread, President Harry S. Truman demands to know what was flying over his house.

Rob, Mathew and John Owen hitch a ride on a research vessel to visit a bizarre geographic anomaly located off the coast of Malibu believed by many to be an underwater alien base.

Local authorities receive more than 50 UFO reports in the Chicago area on Halloween night, many record video of the bizarre lights; Multiple sightings of a large flying craft in Pennsylvania.

The five senses: sight, smell, hearing, taste and touch; constructing the reality of the world around us, like a blank canvas continuously painted and repainted every day.

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.

Childhood friends Ashley Taylor and Kevin Sweat reconnect as adults; Ashley's strange pre-wedding disappearance sheds light on Kevin's disturbing past and his connection to a string of unsolved murders.

Examining whether a girl whose reflection doesn't match her expression is proof of a simulated reality; suggestion that Mars was colonized centuries ago; a mysterious hum being heard around the world.

Host Tony Harris separates the real from the fake in some of the top UFOs caught on camera in recent history.

Rob, Mathew and John Owen hitch a ride on a research vessel to visit a bizarre geographic anomaly located off the coast of Malibu believed by many to be an underwater alien base.

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.

Learning that their posh neighbors have an ancient claim over their land, Mike and Alison throw a swanky dinner party to help resolve the issue; with the ghosts their only guide to high-class decorum, the evening starts badly and only gets worse.

Now juggling day jobs with their endless renovations, Mike and Alison are both penniless and exhausted when a luxury hotel chain makes them an offer they can't refuse; the ghosts vow to help the cash-strapped couple with get-rich-quick schemes.

A teenage girl confronts a malicious entity in the basement of an asylum; a ghostly nurse comforts a man after a terrifying encounter; a psychiatric technician is cornered by a patient who is more animal than human.

Discovering evil beings that hide in the shadows, waiting for a chance to pounce; eeing why a Pennsylvania well is a gateway to terror; crossing paths with an otherworldly stalker in Georgia; exorcise a dark spirit in a South Carolina family home.

Discovering who or what was rattling drawers, ringing bells and flushing toilets in Ian's childhood home; revisiting an event that changed his life forever.

Explores why Diana's former butler, Paul Burrell, thinks that strange smoke and noises in his home can be a sign that the People's Princess is reaching out from beyond the grave; The team's investigation opens the door for two lost souls to reunite.

Learning why stone, metal, and water attract paranormal forces; examining a limestone mansion in Ind. that's tied to the spirit world; following the path of Ohio's soul-attracting rivers; spotting the inexplicable in a Va. inn atop a former mine.

Kevin's addiction to prescription opiates drives his family to the edge of bankruptcy; his loved ones come together, hoping to help him stop stealing for his habit.

Kelly and Steve investigate the murder of a 17-year-old girl found strangled to death by the railroad tracks.

Host Tony Harris separates the real from the fake in some of the top UFOs caught on camera in recent history.

Discovering who or what was rattling drawers, ringing bells and flushing toilets in Ian's childhood home; revisiting an event that changed his life forever.

Learning why stone, metal, and water attract paranormal forces; examining a limestone mansion in Ind. that's tied to the spirit world; following the path of Ohio's soul-attracting rivers; spotting the inexplicable in a Va. inn atop a former mine.

The five senses: sight, smell, hearing, taste and touch; constructing the reality of the world around us, like a blank canvas continuously painted and repainted every day.

In the summer of 1952, stories of U.S. Air Force jets chasing UFOs over the White House knock the Korean War off the front pages of newspapers; as rumors spread, President Harry S. Truman demands to know what was flying over his house.

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.

Rob, Mathew and John Owen hitch a ride on a research vessel to visit a bizarre geographic anomaly located off the coast of Malibu believed by many to be an underwater alien base.

Local authorities receive more than 50 UFO reports in the Chicago area on Halloween night, many record video of the bizarre lights; Multiple sightings of a large flying craft in Pennsylvania.

The five senses: sight, smell, hearing, taste and touch; constructing the reality of the world around us, like a blank canvas continuously painted and repainted every day.

Host Tony Harris separates the real from the fake in some of the top UFOs caught on camera in recent history.

Discovering evil beings that hide in the shadows, waiting for a chance to pounce; eeing why a Pennsylvania well is a gateway to terror; crossing paths with an otherworldly stalker in Georgia; exorcise a dark spirit in a South Carolina family home.

Alison and Mike are trying to find a semi-harmonious routine with the ghostly housemates of Button House and are working towards a new money-making venture to fund their perpetual renovations.

Alison and Mike scramble to pick up the house after a long night of partying has left it a mess; the house is scheduled for a venue viewing, so the two are in a time crunch to clean; Alison investigates why the ghosts are acting so strangely.

A phantom monk roams around a 13th-century church; a family moves and takes their poltergeist with them; three UFOs fall in formation.

Kim Russo meets with celebrities who experienced paranormal events that changed their lives.

A trio of explorers get much more than they bargained for in an abandoned asylum in the UK; a look at an irate, door-slamming, doorbell-ringing phantom that keeps freaking a New York family out.

Diving deep inside the hearts and minds of dumped paramours whose overpowering desire leads them down a path of murder.

In the summer of 1952, stories of U.S. Air Force jets chasing UFOs over the White House knock the Korean War off the front pages of newspapers; as rumors spread, President Harry S. Truman demands to know what was flying over his house.

Terrifying true stories of Canadians facing addictions to drugs, alcohol, or other behaviours.

A phantom monk roams around a 13th-century church; a family moves and takes their poltergeist with them; three UFOs fall in formation.

Investigating a strange creature seen in a wooded area of rural Massachusetts by three different people who all give similar descriptions.

A hoard of golden coins is found in the prospecting district of California; a valuable find in an old piano in rural England.

A mysterious book that is 500 years old, almost 300 pages long, full of handwritten notes and illustrations and so far no one can translate a word of it.

For over 1,000 years, people worldwide claim to develop injuries spontaneously.

Kim Russo meets with celebrities who experienced paranormal events that changed their lives.

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.

A newly hired hotel manager berates his staff for their paranormal beliefs, only to become fresh blood for its hungry spirits.

Meeting anxious souls whose lives were taken too soon; visiting a Ky. cinema filled with the spirits of children who died in a fire; chasing a ghostly girl in an Ontario antique shop; shivering as a departed child cries in a woman's Utah dream home.

A couple begins to witness spine-chilling apparitions in their apartment; a young woman has terrifying recurring dreams that tragically come true.

Scratching the surface of Edward Shin's existence and seeing how the sociopath hid under a squeaky-clean exterior before his business partner, Chris Smith, started to dig up the truth.

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

Paid programming.

Face off with patients in a hospital that's a mecca for ghost hunters; Brandon and Mustafa are at Waverly Hills, where reports of activity spikes have reached an all-time high; experts are wondering if claims of a homecoming effect are true.

Every day, all around the world, in the most ordinary places, regular people are spotting UFOs; these witnesses will never see the night sky the same way, ever again.

Rapper T-Pain seeks Kim Russo's help in uncovering what is causing the terrifying paranormal activity in his family's home in Roswell, Ga.

Jeff discusses how separation from his biological father and years of bullying fuelled his escalating drug use; the family of this promising auto body technician tries to intervene before crack cocaine crashes his career and life.

Train passengers spot Bigfoot in broad daylight; a family gets more than a theme park thrill when a ghost hitches a ride on a roller coaster; a groundskeeper contends with a pesky poltergeist in a cemetery.

Every day, all around the world, in the most ordinary places, regular people are spotting UFOs; these witnesses will never see the night sky the same way, ever again.

Discovering evil beings that hide in the shadows, waiting for a chance to pounce; eeing why a Pennsylvania well is a gateway to terror; crossing paths with an otherworldly stalker in Georgia; exorcise a dark spirit in a South Carolina family home.

Train passengers spot Bigfoot in broad daylight; a family gets more than a theme park thrill when a ghost hitches a ride on a roller coaster; a groundskeeper contends with a pesky poltergeist in a cemetery.

Jeff discusses how separation from his biological father and years of bullying fuelled his escalating drug use; the family of this promising auto body technician tries to intervene before crack cocaine crashes his career and life.

Kelly and Steve try to solve the murder of a woman who was brutally stabbed and then lit on fire in an attempt conceal the crime; a neighbor's report of a mysterious black truck could lead investigators to her killer.

Following the work of police detectives in Britain as they pursue suspects in serious crimes.

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

Kelly and Steve try to solve the murder of a woman who was brutally stabbed and then lit on fire in an attempt conceal the crime; a neighbor's report of a mysterious black truck could lead investigators to her killer.

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

Three employees are gunned down inside one of Washington, D.C.'s favorite brunch spots; residents are gripped with fear as detectives hunt for the shooter, only to find a group of greedy assassins with a personal vendetta.

Jimmy Hoffa makes enemies easily.

A historical building in Louisiana with a dark history; unsolved murder, vengeful ghosts and things that go bump in the night.

Numerous aviation disasters are associated with the number 191, leading many airlines to refuse to schedule a flight 191 out of fear; experts investigate if the ominous flight number is cursed.

A bizarre trend happens in Ireland in the 1980s.

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.

Alison and Mike are trying to find a semi-harmonious routine with the ghostly housemates of Button House and are working towards a new money-making venture to fund their perpetual renovations.

Alison and Mike scramble to pick up the house after a long night of partying has left it a mess; the house is scheduled for a venue viewing, so the two are in a time crunch to clean; Alison investigates why the ghosts are acting so strangely.

A couple checks into a boutique hotel packed with violent ghosts pleading from beyond the grave.

Scratching the surface of Edward Shin's existence and seeing how the sociopath hid under a squeaky-clean exterior before his business partner, Chris Smith, started to dig up the truth.

A 16-year-old girl becomes scratched and shaken after a malevolent spirit physically attacks her; a teen uses a spirit board to try to contact the entity behind the paranormal activity in his family's home.

Closest encounters and first-hand experiences with abductions.

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

Paid programming.

An investigation of ghost activity reports at a historic Tennessee horse farm, where guests keep running into the long-gone founder and his family; the team tries to find out why their psychic connection to this place is so strong, even after death.

When a person's day job involves the oversight of missile silos, nuclear facilities or a military base, the last complication they want to deal with is a close encounter with a UFO; here, an already frightening phenomenon turns positively chilling.

Country-music singer Travis Tritt experiences strange goings-on at his lakeside cabin the the Blue Ridge Mountains; medium Kim Russo uncovers the dark history of the secluded residence.

Melissa's cocaine and vodka-fuelled rages has her family living in fear; a sexual assault experience has pushed Melissa into a cycle of addiction and underage prostitution that is threatening to end her life before she turns 20.

A family captures footage of an emaciated cryptid on their home security camera; haunted objects compete for museum guests' attention; strange lights in the sky bring commuters to a halt.

When a person's day job involves the oversight of missile silos, nuclear facilities or a military base, the last complication they want to deal with is a close encounter with a UFO; here, an already frightening phenomenon turns positively chilling.

Three employees are gunned down inside one of Washington, D.C.'s favorite brunch spots; residents are gripped with fear as detectives hunt for the shooter, only to find a group of greedy assassins with a personal vendetta.

A family captures footage of an emaciated cryptid on their home security camera; haunted objects compete for museum guests' attention; strange lights in the sky bring commuters to a halt.

Melissa's cocaine and vodka-fuelled rages has her family living in fear; a sexual assault experience has pushed Melissa into a cycle of addiction and underage prostitution that is threatening to end her life before she turns 20.

Exploring the center of the Earth.

Asking if aliens could be human time travelers from the future or if a trick shot could classify a person as superhuman; someone may have found the lost Malaysian Airlines Flight 370 hiding in the jungle.

Investigating mysterious lights under the surface of the deepest lake on Earth; Bigfoot's call and chatter; exploring the possibility of sentient UFOs.

Rob, Matthew and John Owen visit the Dugway Proving Ground, a military testing base in Utah considered by many to be the new Area 51; the guys video chat with military historian Michael Schratt and meet with UFO expert Melissa Tittl.

Examining whether centuries-old photos are proof that reincarnation is actually occurring; whether nuclear waste off the coast of Russia could be creating an army of mutant fish; secret government space weapons.

Exploring the center of the Earth.

Asking if aliens could be human time travelers from the future or if a trick shot could classify a person as superhuman; someone may have found the lost Malaysian Airlines Flight 370 hiding in the jungle.

Investigating mysterious lights under the surface of the deepest lake on Earth; Bigfoot's call and chatter; exploring the possibility of sentient UFOs.

Rob, Matthew and John Owen visit the Dugway Proving Ground, a military testing base in Utah considered by many to be the new Area 51; the guys video chat with military historian Michael Schratt and meet with UFO expert Melissa Tittl.

Examining whether centuries-old photos are proof that reincarnation is actually occurring; whether nuclear waste off the coast of Russia could be creating an army of mutant fish; secret government space weapons.

Tallying up the unsettling occurrences in reality star Chloe Ferry's isolated mansion, where things go missing and windows mysteriously shatter in the dead of night; learning about a terrifying shadow man and the home's link to the Geordie Ripper.

Checking out opera singer Russell Watson's idyllic farm, where an invisible visitor plays the piano and scares everyone; tracking down a cannibal killer with the team, who have to act fast to send this evil spirit back to the dark side.

The PRS travels to Las Vegas to investigate a 14-year-old medium who claims to be visited by a spirit called "Emily.".

Kelly and Steve try to solve the murder of a woman who was brutally stabbed and then lit on fire in an attempt conceal the crime; a neighbor's report of a mysterious black truck could lead investigators to her killer.

When a gravestone is moved inside a B&B, its new owners suffer the wrath of offended spirits with evil intentions.

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

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 blended family in Illinois have their house taken over by ghosts; a woman's childhood home becomes so infested by spirits that her parents must abandon it; a spirit returns to its old stomping grounds to try to terrify the new occupants away.

Paid programming.

Examining whether centuries-old photos are proof that reincarnation is actually occurring; whether nuclear waste off the coast of Russia could be creating an army of mutant fish; secret government space weapons.

Asking if aliens could be human time travelers from the future or if a trick shot could classify a person as superhuman; someone may have found the lost Malaysian Airlines Flight 370 hiding in the jungle.

Investigating mysterious lights under the surface of the deepest lake on Earth; Bigfoot's call and chatter; exploring the possibility of sentient UFOs.

Tennessee's first maximum-security prison; learning why it was the end of the line for the forced laborers who inhabited it.

Closest encounters and first-hand experiences with abductions.

Actor Harry Lennix returns to a haunted hotel in Eureka Springs, Ark. where he experienced a terrifying supernatural possession.

Nick and his girlfriend, Emily, trace the path from privilege to deep addiction; a parental ultimatum and addiction counselling can potentially get this couple off a potent opioid and out of an increasingly violent life of crime.

Hunters spot a skinwalker emerging from the woods; a man spots thousands of UFOs from his backyard; an apparition manifests on a haunted highway.

Closest encounters and first-hand experiences with abductions.

Exploring the center of the Earth.

Hunters spot a skinwalker emerging from the woods; a man spots thousands of UFOs from his backyard; an apparition manifests on a haunted highway.

Nick and his girlfriend, Emily, trace the path from privilege to deep addiction; a parental ultimatum and addiction counselling can potentially get this couple off a potent opioid and out of an increasingly violent life of crime.

With unprecedented access, this series follows the crack team of investigators from one of Britain's' best homicide squads as they attempt to solve some of the most perplexing killings.

With unprecedented access, this series follows the crack team of investigators from one of Britain's' best homicide squads as they attempt to solve some of the most perplexing killings.

With unprecedented access, this series follows the crack team of investigators from one of Britain's' best homicide squads as they attempt to solve some of the most perplexing killings.

With unprecedented access, this series follows the crack team of investigators from one of Britain's' best homicide squads as they attempt to solve some of the most perplexing killings.

With unprecedented access, this series follows the crack team of investigators from one of Britain's' best homicide squads as they attempt to solve some of the most perplexing killings.

With unprecedented access, this series follows the crack team of investigators from one of Britain's' best homicide squads as they attempt to solve some of the most perplexing killings.

After antiques collectors bring a certain piano into their home, Lorraine Warren must lend her expertise to dismantle and destroy the instrument.

The PRS travels to Las Vegas to investigate a 14-year-old medium who claims to be visited by a spirit called "Emily.".

With unprecedented access, this series follows the crack team of investigators from one of Britain's' best homicide squads as they attempt to solve some of the most perplexing killings.

Two friends on a ghost tour in a haunted bed and breakfast stir up an unwanted dark presence; a guesthouse owner is terrorized by an undesirable force that moves from setting fires to triggering a full-on assault.

Meeting anxious souls whose lives were taken too soon; visiting a Ky. cinema filled with the spirits of children who died in a fire; chasing a ghostly girl in an Ontario antique shop; shivering as a departed child cries in a woman's Utah dream home.

A couple moves into a new home, only to find that a previous owner hasn't moved out; a woman's stepmother refuses to rest in peace; a haunted house is built on the site of a terrible tragedy.

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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 young recruit encounters aliens in the Nevada desert in the 1960s; he claims they were working with the US military and housed a spaceship in a secret hangar nearby.

The team examines the paranormal clues that have been piling up in the fabled Harriman Hospital and tracks down the source of chilling photos that have been captured in its infamous shadow hallway.

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.

Actress Alysia Reiner seeks Kim's help to confront the spirits that are terrorizing her daughter in her Harlem brownstone.

Find out why devoted animal rescuer Shannon is helping everyone but herself. See her terrified family try to convince her that a life of abuse, assault, and addiction is a dead end for her and her relationship with her three-year-old daughter.

A family spots Bigfoot in their backyard; UFOs speed by in broad daylight; a cryptid peruses a zoo in search of its next meal.

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 young recruit encounters aliens in the Nevada desert in the 1960s; he claims they were working with the US military and housed a spaceship in a secret hangar nearby.

A family spots Bigfoot in their backyard; UFOs speed by in broad daylight; a cryptid peruses a zoo in search of its next meal.

Find out why devoted animal rescuer Shannon is helping everyone but herself. See her terrified family try to convince her that a life of abuse, assault, and addiction is a dead end for her and her relationship with her three-year-old daughter.

Natasha, a drug addict who spent her adolescence partying with her parents, gets the the opportunity to turn her life around.

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.

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.

Natasha, a drug addict who spent her adolescence partying with her parents, gets the the opportunity to turn her life around.

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.

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.

Kelly and Steve investigate the murder of a 17-year-old girl found strangled to death by the railroad tracks.

Kelly and Steve try to solve the murder of a woman who was brutally stabbed and then lit on fire in an attempt conceal the crime; a neighbor's report of a mysterious black truck could lead investigators to her killer.

In Brazil, three men escape a close encounter that lasted hours longer than they realized; in Canada, a thirteen-year-old boy is blinded temporally after investigating a bizarre object near his home.

A father and son see mysterious lights near their property and call the sheriff's office; Six police cars try to chase down the object; A large craft covers a French town in an odd material.