Several mysterious objects spotted over Miami.

Rob and the boys take their pursuit of Bigfoot to the backwoods of Oklahoma, where locals refer to the mythical creature as the Wood Ape.

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.

Alison and Mike, a cash-strapped young couple struggling to buy their first home, think their prayers are answered when a distant relative bequeaths them a large estate, but the old house is haunted by the ghosts of its former inhabitants.

Still recovering from her near-fatal accident, Alison finds herself hounded by the ghostly gaggle, who now realize that she can both see and hear them; Mike's attempts to turn the old house into a home leads to a DIY disaster.

A shadowy specter follows a doctor home; a patient is tormented by evil entities; a swami healer frees a dying woman from the dark forces possessing her.

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.

Explores whether a young girl in rural Cambridgeshire was visited by the apparition of an Edwardian school teacher; a purported poltergeist attack in County Durham; if three Oxford students were preyed upon by a malevolent force.

The team investigates the 200-year-old Essex home of dancer and choreographer Louie Spence, who's been experiencing strange smells and sinister shadows.

Visiting spirits that remain tied to the places that meant the world to them; feeling eerie energy in a historic Missouri mansion; facing a spectral sea captain in Nova Scotia; discovering a well of supernatural energy in a northern California hotel.

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.

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

Kelly and Tonya help police keep their promise to a grieving mother to solve her daughter's murder; an examination of the victim's cell phone data brings a horrifying tale of obsession and brutality to light.

A human flying through the skies of Los Angeles may be a real-life Iron Man; an amorphous blob in the water could be the spawn of the fabled Kraken; aliens may have already set up a base at the North Pole.

Several mysterious objects spotted over Miami.

On their second night in the remote mining town of Clifton, Ariz., the team revisits several hubs of paranormal activity as they try to get to the bottom of the aggressive phenomena; Grant, Brandon and Brian have a breakthrough in the Boarding House.

Visiting spirits that remain tied to the places that meant the world to them; feeling eerie energy in a historic Missouri mansion; facing a spectral sea captain in Nova Scotia; discovering a well of supernatural energy in a northern California hotel.

A miraculous meteorite falling from the heavens and a chunk of sandstone considered so sacred that wars have been fought to protect it; throughout history, many have insisted that simple stones can do everything from choosing a king to causing death.

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.

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.

Four US Air Force reservists are chased by strange lights while flying back to their base in Cleveland; Constable Alan Godfrey loses consciousness when he investigates a mysterious disruption in West Yorkshire.

Rob and the boys take their pursuit of Bigfoot to the backwoods of Oklahoma, where locals refer to the mythical creature as the Wood Ape.

A miraculous meteorite falling from the heavens and a chunk of sandstone considered so sacred that wars have been fought to protect it; throughout history, many have insisted that simple stones can do everything from choosing a king to causing death.

A human flying through the skies of Los Angeles may be a real-life Iron Man; an amorphous blob in the water could be the spawn of the fabled Kraken; aliens may have already set up a base at the North Pole.

Several mysterious objects spotted over Miami.

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.

On Pat's death day, he prepares for his family's annual pilgrimage to the site of his demise.

Fortune smiles on a cash-strapped Mike and Alison when a TV company comes calling looking for an old house in which to film their period drama; to get the money, Alison must ensure the shoot proceeds without a hitch.

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

Visiting the chilling Iowa location of a gruesome ax murder with an adventurer, who experiences a haunting night he'll never forget; going for a regrettable walk through some sinister woods in the middle of England; exploring a haunted shop.

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.

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

A look at this English town in Buckinghamshire and why so many spirits of the past haunt its streets.

A look at why so many people see a vision of Jesus in seemingly normal things such as a tree stump or an antique cabinet.

Exploring the world of psychics.

Discovering why a whole country sees the number four as something to fear and why is thirteen so disturbing that there is never a thirteenth row on an airplane.

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.

Buccaneers who ran a South Carolina port in the golden age of piracy are summoned; the truth about a ghost ship and a creepy bedroom in the city's oldest tavern is uncovered; a spirit stalking one of the investigators is confronted.

Treading carefully in places where ghosts revisit the scenes of their crimes; confronting vengeful jailhouse spirits in a Missouri home; a malevolent ex-member of the Manson Family in California; a cruel biker in a Salt Lake City residence.

The spirit of a woman searching for her family has tragic results; the ghost of a murdered woman scares a young couple out of their home.

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.

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.

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Embarking on a paranormal journey at a Civil War hospital turned museum; chilling visits from Union and Confederate soldiers; a child who came to a tragic end here; new experiments deepen the mystery of this haunted hot spot.

A strange footprint and a foul smell; a mysterious cluster of mounds on the moon; a whisper heard in the desert that resembles an ancient pharaoh's curse.

A strange figure caught on a security cam; a statue that appears to be crying real tears; a smartphone app said to allow people to control reality.

Musician Billy Ray Cyrus and Kim Russo visit a plantation in Tennessee where he previously encountered an otherworldly spirit; Kim reveals the ghost's identity.

A town in Texas is stunned when a popular caretaker is found dead and a beloved, wealthy resident goes missing; with support from a concerned community, detectives uncover the deep-rooted secrets that led to murder.

A school in the Philippines houses spirits from an adjacent cemetery; shadow figures and phantom flames lurk within an abandoned brick factory in Italy; a group of friends witness a massive UFO taking off in Argentina.

A strange footprint and a foul smell; a mysterious cluster of mounds on the moon; a whisper heard in the desert that resembles an ancient pharaoh's curse.

A strange figure caught on a security cam; a statue that appears to be crying real tears; a smartphone app said to allow people to control reality.

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 school in the Philippines houses spirits from an adjacent cemetery; shadow figures and phantom flames lurk within an abandoned brick factory in Italy; a group of friends witness a massive UFO taking off in Argentina.

A town in Texas is stunned when a popular caretaker is found dead and a beloved, wealthy resident goes missing; with support from a concerned community, detectives uncover the deep-rooted secrets that led to murder.

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.

A young mother of five is found shot to death in her home.

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.

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.

A young mother of five is found shot to death in her home.

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.

Patterns in fields, which appear overnight and without any warning; examining crop circles, why they appear and what they could possibly signify.

During the renaissance, advances were made in both science and the arts, but many paintings have a mysterious UFO.

A mass produced series of paintings of crying children, a popular artwork in many houses in the 1980s, is believed to be related to a mysterious series of house fires at the time.

A famous inscription leads some to believe that a real curse haunts the original discoverers of Tutankhamun.

In 1978, UFO enthusiast Paul Bennewitz claims he's intercepted extraterrestrial messages; military officials send counter intelligence officer Richard Doty to feed Bennewitz lies; questioning whether Doty himself is a pawn in an even bigger scheme.

On Pat's death day, he prepares for his family's annual pilgrimage to the site of his demise.

Fortune smiles on a cash-strapped Mike and Alison when a TV company comes calling looking for an old house in which to film their period drama; to get the money, Alison must ensure the shoot proceeds without a hitch.

The team investigates paranormal activity linked to an overwhelming number of natural disasters, contacts spirits in a hotel built atop a hospital, explores an eerie B & B, and finds troubled souls in America's most haunted city.

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.

A young woman is possessed by a demonic entity; a boutique falls under the spell of a spirit; and something evil tries to take over Kate Kirkpatrick's home.

Demonic entities seek control of their victims through possession; an evil spirit follows a father and daughter home from church; cousins unleash hell when they play with a spirit board; and shadowy creatures wreak havoc on a girl's life.

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.

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Encountering a curious entity at a bed and breakfast in Glasgow, Ky.; the team enlists a scientist, an aerospace engineer, and a medium to help them connect with this presence and fulfill their promise to the B&B's former owner.

Recent video of a large, hairy creature and casts of its footprints; a man dodges rush hour traffic with seemingly superhuman reflexes; a woman escapes from her sinking vehicle without opening the doors or windows.

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.

Vince Neil returns to the home where he last saw the spirit of his daughter; Kim discovers that Vince is being followed by a dark entity.

When a young woman's body is pulled from the ocean off the Big Island, Hawaii, accusations threaten to destroy the local community; as tensions grow, a surprising discovery leads detectives to a devastating truth that no one saw coming.

Paranormal investigators capture a shadow figure in a haunted Nevada prison; a hidebehind in Oregon gives a girl and her grandma a serious fright; a tiny elfin creature makes a toddler uneasy in Argentina.

Recent video of a large, hairy creature and casts of its footprints; a man dodges rush hour traffic with seemingly superhuman reflexes; a woman escapes from her sinking vehicle without opening the doors or windows.

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.

A young mother of five is found shot to death in her home.

Paranormal investigators capture a shadow figure in a haunted Nevada prison; a hidebehind in Oregon gives a girl and her grandma a serious fright; a tiny elfin creature makes a toddler uneasy in Argentina.

When a young woman's body is pulled from the ocean off the Big Island, Hawaii, accusations threaten to destroy the local community; as tensions grow, a surprising discovery leads detectives to a devastating truth that no one saw coming.

Can humans predict the future by use of prophets and dreams, if so, can humankind harness this knowledge to avoid future deadly events.

Strange objects caught on a drone cam over Wisconsin; a strange sound recorded in a North Carolina backyard; several airplanes appearing to defy the laws of physics.

A flying object caught on U.S. government cameras; a strange sound traveling through 5,000 miles of ocean; the sighting of an apparent ghost ship floating in Lake Superior.

Rob and his sons reflect on their adventures while investigating the unknown, from the paranormal to the extraterrestrial.

Leitreanna, a lifelong practitioner of Seminole spiritualism, believes she is visited by her departed father as she endures an operation, seeing him comfort her when she is in pain.

Can humans predict the future by use of prophets and dreams, if so, can humankind harness this knowledge to avoid future deadly events.

Strange objects caught on a drone cam over Wisconsin; a strange sound recorded in a North Carolina backyard; several airplanes appearing to defy the laws of physics.

A flying object caught on U.S. government cameras; a strange sound traveling through 5,000 miles of ocean; the sighting of an apparent ghost ship floating in Lake Superior.

Rob and his sons reflect on their adventures while investigating the unknown, from the paranormal to the extraterrestrial.

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

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.

Tackling the skeletal figure that has been chasing an English actor for as long as she can remember; a regression therapist takes Tina Malone back to her childhood; unmasking the devil's debt collectors hunting for an indebted soul.

Katrina and Heather work on a case in which a Prohibition-era ghost haunts a bar.

PRS travels to Massachusetts to investigate an old schoolhouse believed to be haunted by children's voices.

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.

Sailing to Bell Island, Newfoundland, where the investigators reach out to the ghosts left by a devastating Nazi U-boat attack during WW II; descending into darkness as the trio reveals a group of ghostly miners trapped underground for 80 years.

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.

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.

Deana Rotondo is tormented by the ghost of a predatory man; a couple make a shocking discovery in their dining room; Beth Shaw is stalked by something or someone hiding in her garage.

Paid programming.

Rob and his sons reflect on their adventures while investigating the unknown, from the paranormal to the extraterrestrial.

Strange objects caught on a drone cam over Wisconsin; a strange sound recorded in a North Carolina backyard; several airplanes appearing to defy the laws of physics.

A flying object caught on U.S. government cameras; a strange sound traveling through 5,000 miles of ocean; the sighting of an apparent ghost ship floating in Lake Superior.

Examining the link between geomagnetic anomalies and Somerset County's paranormal wonders; a look at strange spectral sightings, and learning about a notable resident who could be the source of the hauntings.

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.

Actress Jordan Ladd returns to an old mansion in New Jersey where she once encountered a ghost; a troubled spirit has a clear message for Jordan.

Historical Bucks County, Penn., is alarmed when several young men vanish one after the other within a week; with the support of residents, detectives unearth a ruthless murder spree in this seemingly picture-perfect farming community.

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.

Can humans predict the future by use of prophets and dreams, if so, can humankind harness this knowledge to avoid future deadly events.

A dark entity shows itself to investigators inside one of America's haunted homes; the ghost of a young girl materializes in an Illinois bar; a father and son in California film a UFO that appears to be alive.

Historical Bucks County, Penn., is alarmed when several young men vanish one after the other within a week; with the support of residents, detectives unearth a ruthless murder spree in this seemingly picture-perfect farming community.

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.

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.

Taking a look at the case of Sharee, who constantly lied to hide her spending sprees and raunchy online exchanges from her husband. The homemaker manipulated an ex-cop into believing she was being abused before a murder tore their lives apart.

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.

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.

Katrina and Heather work on a case in which a Prohibition-era ghost haunts a bar.

PRS travels to Massachusetts to investigate an old schoolhouse believed to be haunted by children's voices.

Taking a look at the case of Sharee, who constantly lied to hide her spending sprees and raunchy online exchanges from her husband. The homemaker manipulated an ex-cop into believing she was being abused before a murder tore their lives apart.

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.

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.

Paranormal investigator Erin Goodpipe heads to Harrisville, R.I. to get the the bottom of the rumors surrounding the witch, Bathsheba Sherman.

Treading carefully in places where ghosts revisit the scenes of their crimes; confronting vengeful jailhouse spirits in a Missouri home; a malevolent ex-member of the Manson Family in California; a cruel biker in a Salt Lake City residence.

Wayne Mallows gets way more than he bargained for when he buys a haunted B&B; a family's dream home turns into a nightmare for their teenage son; Linda Bogert buys the historic home of her dreams only to be attacked and possessed by evil entities.

Paid programming.

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.

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.

A look at the macabre history of Chestnut House in Manchester, Kentucky; dissecting tales of spectral voices and apparitions to see if its paranormal past is real or just a ruse to attract attention.

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.

Actor Greg Grunberg reaches out for help in determining the meaning behind an apparition that's haunted him for two years.

The quiet Sarasota neighborhood of Mirror Lake wakes up to a nightmare when a neighbor is found strangled to death; detectives believe it's the result of a long-held grudge against the silver tongued car salesman, but they turn out to be dead wrong.

U.K. investigators are confronted by a dark presence in an abandoned home; Bigfoot stalking two brothers in Rochester, N.Y.; a smoke break in San Juan turns into a double UFO sighting.

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.

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.

U.K. investigators are confronted by a dark presence in an abandoned home; Bigfoot stalking two brothers in Rochester, N.Y.; a smoke break in San Juan turns into a double UFO sighting.

The quiet Sarasota neighborhood of Mirror Lake wakes up to a nightmare when a neighbor is found strangled to death; detectives believe it's the result of a long-held grudge against the silver tongued car salesman, but they turn out to be dead wrong.

Pamela's family hopes an intervention will save her from her addiction after being exposed to her father's drug addiction.

EMT Rob Thompson pulls a man from a flaming wreck who is near death; police officer Vicki Schramm investigates an armed man breaking into an abandoned home; paramedic Jackie Williams assists a man who appears to be in serious psychosis.

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.

Pamela's family hopes an intervention will save her from her addiction after being exposed to her father's drug addiction.

EMT Rob Thompson pulls a man from a flaming wreck who is near death; police officer Vicki Schramm investigates an armed man breaking into an abandoned home; paramedic Jackie Williams assists a man who appears to be in serious psychosis.

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 Tonya help police keep their promise to a grieving mother to solve her daughter's murder; an examination of the victim's cell phone data brings a horrifying tale of obsession and brutality to light.

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.

A Canadian farmer sees five identical bun-shaped objects; thousands report seeing a large triangular-shaped object for a 3-year period over New York's Hudson Valley.

A triangular craft beelines toward a husband and his pregnant wife; a disc-shaped craft emits a solid beam of light that releases a blast of flame.

A British Air Force officer is stunned when a cylindrical object sends a beam of light toward him; school children witness multiple UFO sightings over a three-day period.

In Ohio, two officers see a bizarre bright light flying in the night sky, Police dispatch advises them to follow the object, triggering a huge car chase; An ex-Military outdoorsmen tries to communicate with a UFO in the Florida Everglades.

Paranormal investigator Erin Goodpipe steps inside the Old Arnold Estate to find out who is haunting this Rhode Island property; abandoned by their community and plagued with increased spiritual activity, the Perron family adapts to their home.

Looking for proof of apparitions, eerie voices and other inexplicable phenomena inside a grim execution site; the team explores Harlan County's courthouse and jail, where the fallout from a revenge killing and the coal wars lingers.

A couple accidentally invites spirits into their home when they decorate their nursery; Julie Stuart falls in love with an antique dresser that turns out to be haunted; a couple opens the door for a dangerous spirit with a shocking identity.

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.

Treading carefully in places where ghosts revisit the scenes of their crimes; confronting vengeful jailhouse spirits in a Missouri home; a malevolent ex-member of the Manson Family in California; a cruel biker in a Salt Lake City residence.

Stepping into the history of Perryville Battlefield at Karrick-Parks House, where 7,600 Civil War spirits are said to reside. Getting to know the town's re-enactors and watching the team launch a bold experiment.

Billy Meier claims he's traveled through time and space with an alien race from the Pleiades star cluster; in the decades following his revelation, both skeptics and ufologists say it's a hoax despite Meier providing photographic evidence.

Actor Richard Burgi returns to his childhood home in New Jersey, where he and other family members encountered the paranormal; Kim Russo discovers that Richard may have a psychic gift of his own.

When an infant's body washes up on the shores of Deer Island, Mass., residents rally to find out who she is, and what happened to her; their unprecedented solidarity gets nationwide attention, helping police solve a heartbreaking mystery.

A party store in Mexico is plagued by a malicious entity; a treasure hunt is interrupted by Bigfoot in New Mexico; a mysterious green creature lurks inside a cave in Aruba.

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.

Pamela's family hopes an intervention will save her from her addiction after being exposed to her father's drug addiction.

A party store in Mexico is plagued by a malicious entity; a treasure hunt is interrupted by Bigfoot in New Mexico; a mysterious green creature lurks inside a cave in Aruba.

When an infant's body washes up on the shores of Deer Island, Mass., residents rally to find out who she is, and what happened to her; their unprecedented solidarity gets nationwide attention, helping police solve a heartbreaking mystery.

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.

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.

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?

Kinedy has a close relationship with her great-grandmother, which persists well after her death; they stay in touch; Kinedy also has other encounters with dear, departed ancestors.

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.

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.

Interior designer Laurence Llewelyn-Bowen lives in a 17th century manor house in the Cotswolds that has a history of hauntings; there, a spirit has a murderous story to tell.

In 1978, UFO enthusiast Paul Bennewitz claims he's intercepted extraterrestrial messages; military officials send counter intelligence officer Richard Doty to feed Bennewitz lies; questioning whether Doty himself is a pawn in an even bigger scheme.

Weaving through Kentucky's underground caves and looking inside the abandoned Bethlehem Academy; examining new technology that helps the team test the theory of thought-form manifestation; Brandon encounters an unseen force.

What lurks in the shadows of the 100-year-old Grand Victorian Inn, where the owner swears he's seen the spirit of his late daughter; testing new theories and reviewing a stunning audio find that links the haunting to a nearby rail line.

A Canadian farmer sees five identical bun-shaped objects; thousands report seeing a large triangular-shaped object for a 3-year period over New York's Hudson Valley.

A triangular craft beelines toward a husband and his pregnant wife; a disc-shaped craft emits a solid beam of light that releases a blast of flame.

Treading carefully in places where ghosts revisit the scenes of their crimes; confronting vengeful jailhouse spirits in a Missouri home; a malevolent ex-member of the Manson Family in California; a cruel biker in a Salt Lake City residence.

Diabolical spirits torture and taunt their unsuspecting targets; a mother and daughter become the terrified victims of a family curse; a teen boy is attacked by an unseen force; and a young girl senses an evil presence hiding in her closet.

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.

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.

The first sightings of the UFO flap in Piedmont, Mo. are reported; Over 500 reports are made in the following months; A family driving to Ontario encounters mysterious lights and a cigar-shaped craft.

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.

Explores the UK's most haunted house, 30 East Drive in Pontefract, where the demonic Black Monk is reported to linger; coming into contact with otherworldly beings who could finally prove that UFOs exist.

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.

The team investigates the home of "Geordie Shore" star Marnie Simpson in Flitwick, Bedfordshire; Marnie is convinced that she's haunted by something that followed her home.

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.

On Pat's death day, he prepares for his family's annual pilgrimage to the site of his demise.

Fortune smiles on a cash-strapped Mike and Alison when a TV company comes calling looking for an old house in which to film their period drama; to get the money, Alison must ensure the shoot proceeds without a hitch.

The first sightings of the UFO flap in Piedmont, Mo. are reported; Over 500 reports are made in the following months; A family driving to Ontario encounters mysterious lights and a cigar-shaped craft.

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.

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

Jordon's natural musical talent is hindered by his addiction to crystal meth, which began at at 16.

Kelly and Terri investigate the 2015 homicide of a beloved father, veteran and Little League coach; a reexamination of the crime scene reveals a terrifying clue into who may have killed him.

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.

The guys visit a condemned former boys' reformatory in Ione, Calif., believed to house vengeful spirits.

Throughout history, many have believed that certain places, things, or even people can be tainted with dark curses; ominous lakes that morph into watery graves; paintings and precious stones that bring death and destruction to their keepers.

Taking a look at the case of Sharee, who constantly lied to hide her spending sprees and raunchy online exchanges from her husband. The homemaker manipulated an ex-cop into believing she was being abused before a murder tore their lives apart.

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.

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.

A strange footprint and a foul smell; a mysterious cluster of mounds on the moon; a whisper heard in the desert that resembles an ancient pharaoh's curse.

The guys visit a condemned former boys' reformatory in Ione, Calif., believed to house vengeful spirits.

Going up against tortured young souls who are trying to throw three homeowners out of their dream houses; tales of abuse, ominous orbs of light, angry phantoms, haunting lullabies and dark figures that are scaring these residents to death.

On Pat's death day, he prepares for his family's annual pilgrimage to the site of his demise.

Fortune smiles on a cash-strapped Mike and Alison when a TV company comes calling looking for an old house in which to film their period drama; to get the money, Alison must ensure the shoot proceeds without a hitch.

A social worker battles an evil entity for a young girl's soul; a security guard encounters a reanimated corpse in a hospital morgue; a rookie nurse hears an ominous call for help from an unoccupied room.

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.

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.

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

Treading carefully in places where ghosts revisit the scenes of their crimes; confronting vengeful jailhouse spirits in a Missouri home; a malevolent ex-member of the Manson Family in California; a cruel biker in a Salt Lake City residence.

Jordon's natural musical talent is hindered by his addiction to crystal meth, which began at at 16.

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.

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.

A strange footprint and a foul smell; a mysterious cluster of mounds on the moon; a whisper heard in the desert that resembles an ancient pharaoh's curse.

Disturbing paranormal activity at the Glenn House in the small town of Cape Girardeau, Mo., prompts the local historical association's president to reach out to Grant for help; as the investigation begins, the house quickly lives up to its claims.

Treading carefully in places where ghosts revisit the scenes of their crimes; confronting vengeful jailhouse spirits in a Missouri home; a malevolent ex-member of the Manson Family in California; a cruel biker in a Salt Lake City residence.

Throughout history, many have believed that certain places, things, or even people can be tainted with dark curses; ominous lakes that morph into watery graves; paintings and precious stones that bring death and destruction to their keepers.

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.

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.

A strange footprint and a foul smell; a mysterious cluster of mounds on the moon; a whisper heard in the desert that resembles an ancient pharaoh's curse.

The guys visit a condemned former boys' reformatory in Ione, Calif., believed to house vengeful spirits.

Throughout history, many have believed that certain places, things, or even people can be tainted with dark curses; ominous lakes that morph into watery graves; paintings and precious stones that bring death and destruction to their keepers.

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.

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.

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.

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

Explores the UK's most haunted house, 30 East Drive in Pontefract, where the demonic Black Monk is reported to linger; coming into contact with otherworldly beings who could finally prove that UFOs exist.

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.

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

Patterns in fields, which appear overnight and without any warning; examining crop circles, why they appear and what they could possibly signify.

During the renaissance, advances were made in both science and the arts, but many paintings have a mysterious UFO.

A mass produced series of paintings of crying children, a popular artwork in many houses in the 1980s, is believed to be related to a mysterious series of house fires at the time.

A famous inscription leads some to believe that a real curse haunts the original discoverers of Tutankhamun.

Going up against tortured young souls who are trying to throw three homeowners out of their dream houses; tales of abuse, ominous orbs of light, angry phantoms, haunting lullabies and dark figures that are scaring these residents to death.

Dark energy makes its unsettling mark at an eerie hotel that's therapy for an engineer's childhood haunting; an 18th-century jailer's ghost and a young holidaymaker; a killer apparition disturbs a peaceful bath.

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 terrifying creature with 1,000 teeth torments Allison Gilson's son; a young boy makes an imaginary friend but discovers it's not the only entity lurking in their new home; a ghost uses a boy to get to his mother.

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.

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

Paid programming.

Heading back to the battlefield and exploring the eerie HP Bottom House, which resonates with the echoes of Civil War battles. Listening for bugle calls and phantom cannon fire, and investigating a potential link with another historic home.

In 1978, UFO enthusiast Paul Bennewitz claims he's intercepted extraterrestrial messages; military officials send counter intelligence officer Richard Doty to feed Bennewitz lies; questioning whether Doty himself is a pawn in an even bigger scheme.

Actor Anthony Michael Hall seeks the help of medium Kim Russo to find out the meaning behind a frightening paranormal experience he had at a Hollywood hotel 30 years ago.

The demons and failed hopes that led gentle giant Greg to follow in his father's footsteps; his mother's and sister's pain as they try to show Greg that his musical dreams are worth kicking his life-threatening fentanyl-and-meth habit.

A creature that tormented an Australian man's childhood is back for more; a DJ in North Carolina is still spinning sets from beyond the grave; a UFO in Islamabad remains immobile for hours.

In 1978, UFO enthusiast Paul Bennewitz claims he's intercepted extraterrestrial messages; military officials send counter intelligence officer Richard Doty to feed Bennewitz lies; questioning whether Doty himself is a pawn in an even bigger scheme.

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 creature that tormented an Australian man's childhood is back for more; a DJ in North Carolina is still spinning sets from beyond the grave; a UFO in Islamabad remains immobile for hours.

The demons and failed hopes that led gentle giant Greg to follow in his father's footsteps; his mother's and sister's pain as they try to show Greg that his musical dreams are worth kicking his life-threatening fentanyl-and-meth habit.

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

When an 11-year-old girl goes missing on her way home from a Halloween party, police search for clues to try and unmask the evil that they are certain lives among them.

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.

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

When an 11-year-old girl goes missing on her way home from a Halloween party, police search for clues to try and unmask the evil that they are certain lives among them.

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.

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.

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.

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.