A look at the Pentagon's 2020 verification of UFO video footage taken by the U.S. Navy in 2004.

Yvette Fielding and her team enter a house rumored to contain a violent poltergeist known as the Black Monk of Pontefract.

Yvette Fielding and her team continue their intense investigation of the Black Monk of Pontefract; this violent poltergeist is ready for a fight.

Yvette Fielding and her team investigate a medical museum housed in a former Victorian workhouse and hospital; Karl is suddenly overcome by a dark presence in the lower level, while something tries to contact Yvette upstairs.

In Mount Hood, Ore, Eli Watson meets with Sasquatch investigators to look into startling encounters in a secret location known as the Blueberry Bog.

Eli Watson digs into a historical mystery from his hometown that involves the apocalypse and visitors from another galaxy.

Shannon investigates a purported 2017 UFO video and the claims of an eyewitness.

Explores discussing a very well-known mass UFO sighting with a witness, even though this isn't the only one ever made.

From the Hudson Valley of upstate New York to the Sedona desert of Arizona, Shannon embarks on a trip to places around the US with a high number of UFO reports.

An American Indian elder explains tribal beliefs regarding UFOs; New Hampshire residents recount an encounter with a strange craft.

Delve into the most convincing evidence that the planet has been visited by extraterrestrial life forms, from alien encounters in ancient texts to modern-day UFO sightings and the secrets of Area 51.

Some of the most mysterious monsters and mythical creatures that may inhabit this earth, including vampires, Bigfoot and the Loch Ness Monster.

Some of the world's most sacred sites, including the Great Pyramid of Giza, Chartres Cathedral and Masjid Al-Haram.

People who defy the laws of physics and perceptions of reality, from exceptional feats of endurance and miraculous recoveries to psychic abilities and exorcisms.

Mysterious writings, images and relics from the past, including the Nazca Lines, the Voynich Manuscript and the Crystal Skulls.

Paranormal phenomena that baffles experts around the world, from ghostly encounters and spectral curses to spontaneous combustion and the mysterious Hum.

Aleksandar Petakov and Eli Watson journey to the majestic Rocky Mountains of Colorado.

Aleks heads to Minerva, Ohio in search of the infamous Minerva Monster.

Seeking to determine if the UFOs seen in Arizona and Nevada are man-made or from other worlds.

A group of beings existed before mankind, hidden from modern society. Thorough investigations of art and ancient text reveal interactions between humans and a higher source of intelligence.

The Williams family consults psychic Sue Evans to locate their missing son Jason.

A teen vanishes after work; police realize they're dealing with a serial killer and consult a psychic.

Using old-fashioned police work, Detective Wanner deciphers the clues one by one which lead him to a killer several states away.

A veteran psychic and a rookie police officer try to solve the case of a missing girl.

Psychic Laurie McQuary helps find Alexis Burke's murderer.

Police consult a psychic when a woman is found brutally murdered in a parking garage.

Some areas emanate strange phenomena, from Sasquatch to UFOs to poltergeist activity.

A startling night investigation reveals that things on the Ridge are stranger than they appear.

Strange things happen to a single mom after she buys a house.

Shortly after the death of the homeowner's father, strange activity began happening in their new home including mysterious writing on the wall.

A bachelor experiences odd things in his old style downtown loft.

A young bank manager experiences strange events after inheriting the family home.

A family experiences bizarre things almost daily since they moved in to their new home.

Investigating unsettling experiences on a family farm.

A phenomenon is happening on farms all over the world, where cows are being mysteriously mutilated.

Three scary stories are possible proof there is in fact life after death.

The "mothman" terrorizes a town; an unidentified sea creature; attacks by the "monkey man.".

In Southern California, Eli uncovers potential Bigfoot existence, overlooking previous research and data.

Eli and Matt Moneymaker venture deep in the Southern Sierras to track down the elusive Sasquatch, following leads of howls and sightings that have never been investigated before.

Searching for evidence in Area 51 of the cover-up of alien existence; while on their search, they learn of connections of conspiracy theories to UFO's.

Searching for and discussing evidence of The Brown Mountain Lights with author Micah Hanks.

Ordinary people come forward with stories of being taken by UFO's; Shannon and her team visit a location where one of these abductions took place.

Shannon meets with a witness in the White Mountains to learn about her close-up encounter.

Delve into the most convincing evidence that the planet has been visited by extraterrestrial life forms, from alien encounters in ancient texts to modern-day UFO sightings and the secrets of Area 51.

Some of the most mysterious monsters and mythical creatures that may inhabit this earth, including vampires, Bigfoot and the Loch Ness Monster.

Some of the world's most sacred sites, including the Great Pyramid of Giza, Chartres Cathedral and Masjid Al-Haram.

People who defy the laws of physics and perceptions of reality, from exceptional feats of endurance and miraculous recoveries to psychic abilities and exorcisms.

Mysterious writings, images and relics from the past, including the Nazca Lines, the Voynich Manuscript and the Crystal Skulls.

Paranormal phenomena that baffles experts around the world, from ghostly encounters and spectral curses to spontaneous combustion and the mysterious Hum.

Aleks and the Beyond the Trail crew head into the legendary Everglades of South Florida.

Join Aleks and the Bigfoot Beyond the Trail crew as they adventure into Florida's Ocala National Forest.

In the late 1970s, the U.S. government sends a message to our distant neighbors in outer space. Twenty years later, the response we receive sparks the biggest UFO sighting in history.

The military creates Project Bluebook.

A young mother and wife mysteriously vanishes on Christmas day.

Landlord and pub owner Mick Hughes is brutally attacked in his living quarters above his bar.

A psychic is called in to help after a family man disappears after work.

A dedicated psychic tracks down two con men in Scotland.

Psychic Jeanne Borgen is asked to help capture a serial killer on the loose in Baton Rouge.

A women is assaulted and strangled in her home.

Kay Nambiar and the team investigate paranormal activity in London's 'Ragged School' and abandoned Woolwich Arsenal.

The team investigate paranormal activity in Hastings where Ian Lawman makes contact with the spirit of the notorious devil worshipper Aleister Crowley.

Kay Nambiar and the team are in Harwich, South East England to investigate a pair of haunted lighthouses capturing ghostly orbs on their CCTV cameras.

In the late 1970s, the U.S. government sends a message to our distant neighbors in outer space. Twenty years later, the response we receive sparks the biggest UFO sighting in history.

The military creates Project Bluebook.

A huge cataclysm is discovered in ancient texts; an alien discovery; a sinister robot takeover.

Mysterious human-shaped shadow; a little boy travels hundreds of miles in a second; crystal skulls.

An earth-shattering boom; a paranormal fog on Lake Michigan; a blinding double flash of light.

George Adamski, a controversial ufologist famous for his flying saucer photos, faces skepticism and belief; his photos, still debated, may support his claims of meeting a man from Venus.

Eli investigates government scrutiny of George Adamski who despite suppression attempts, stood by his photograph and film evidence, remaining a hotly debated figure in ufology.

In the 1960s the cattle mutilation phenomenon became a widespread concern across the American west..

The team investigates UFO phenomena like Mothman, Flatwoods Monster, and eyewitness accounts..

A closer look at the awe-inspiring structures that capture imaginations, including the Olmec Heads of Central America, the Alhambra in Spain and Angkor Wat in Cambodia.

Ancient and sacred sites with alleged healing powers, from the grotto of Lourdes and Machu Picchu to mystical rainforests and the Ganges River.

The Egyptian Book of the Dead, the Bhagavad Gita and the Bible.

Explore the myths and legends of ancient civilizations, from Lemuria and Atlantis to the mystery of the Etruscans and the Forgotten Kingdoms of Tibet.

Revered religious artifacts from around the world, including the Shrine of the Three Kings, the Ark of the Covenant and the Holy Grail.

A deep dive into secret cults and mysterious orders around the world, from the Freemasons and Skull and Bones to the Illuminati and the Hermetic Order of the Golden Dawn.

In the Conclusion of the Florida Saga, Aleks finds himself in Northern Florida.

Aleks and the Beyond the Trail crew delve into the infamous paranormal Bridgewater Triangle area.

The Pentagon has confirmed an Alien ship could be sending probes to Earth.

Interviews with residents and law enforcement officials reveal the rich history of UFO sightings in Arizona.

American military operations are responsible for the loss of 12 atomic weapons.

Billions of American dollars are being funneled to Russia to abate the mass exodus of Russian scientists to unfriendly nations.

The combined efforts of the Air Force and Navy to control the weather through the High-Frequency Active Aural Research Project has been linked to the breakdown of the ozone layer.

In December 1980, what is considered the biggest UFO case in U.K. history occurs at the U.S.A.F. base at Rendlesham, Suffolk.

Central Scotland has its very own Area 51, known as the Falkirk Triangle, encompassing the village of Bonnybridge, which claims the highest concentration of the region's UFO activity.

Craig and Sarah study the evidence available for the mass UFO sighting over Phoenix, Ariz. in 1997.

Seeking to determine if the UFOs seen in Arizona and Nevada are man-made or from other worlds.

A group of beings existed before mankind, hidden from modern society. Thorough investigations of art and ancient text reveal interactions between humans and a higher source of intelligence.

A California woman is plagued by an invisible attacker; a teen thinks she can see ghosts.

A skydiver survives a fall when her parachute fails; the possibility of spontaneous human combustion.

A healer claims to cure diseases with prayer.

Eli Watson investigates reports and stories of Bigfoot along the Santa Ana River and in the mountains of San Bernardino.

Eli traces the rise of bipedal canine sightings, from a 1990s case to ancient myths of gods and monsters.

Shannon investigates a purported 2017 UFO video and the claims of an eyewitness.

Explores discussing a very well-known mass UFO sighting with a witness, even though this isn't the only one ever made.

From the Hudson Valley of upstate New York to the Sedona desert of Arizona, Shannon embarks on a trip to places around the US with a high number of UFO reports.

An American Indian elder explains tribal beliefs regarding UFOs; New Hampshire residents recount an encounter with a strange craft.

Delve into the most convincing evidence that the planet has been visited by extraterrestrial life forms, from alien encounters in ancient texts to modern-day UFO sightings and the secrets of Area 51.

Some of the most mysterious monsters and mythical creatures that may inhabit this earth, including vampires, Bigfoot and the Loch Ness Monster.

Some of the world's most sacred sites, including the Great Pyramid of Giza, Chartres Cathedral and Masjid Al-Haram.

People who defy the laws of physics and perceptions of reality, from exceptional feats of endurance and miraculous recoveries to psychic abilities and exorcisms.

Mysterious writings, images and relics from the past, including the Nazca Lines, the Voynich Manuscript and the Crystal Skulls.

Paranormal phenomena that baffles experts around the world, from ghostly encounters and spectral curses to spontaneous combustion and the mysterious Hum.

Investigators Aleks and Eli travel to Humboldt county, to the little town of Willow Creek.

Aleks and Eli head to Oregon in their search for Sasquatch.

The Chestnut Ridge hides a dark truth about the origins of Sasquatch.

Finding hundreds of caves beneath the rolling hills of the Chestnut Ridge, caverns that could house Sasquatch.

Stalking the Ridge not only has Sasquatch and Mothman, but also government disinformation agents.

Two high school students are found dead on train tracks after they witness an airdrop of drugs.

Incidents of mass suicide have shaken humanity to its foundation.

In 1989, respected chemists make an announcement that rocks the science world; their experiments with heavy water yields large amounts of heat energy, which challenges many basic scientific concepts.

An alleged flying disc was seen by ground staff at the O'Hare International Airport in 2006; Craig and Sarah learn that witnesses refused to come forward due to fear of ridicule.

Long-time UFO enthusiast Craig Charles and astrophysicist Sarah Cruddas scrutinize compelling evidence relating to some of the most perplexing UFO encounters of recent years, revealing never before heard testimony to separate fact from fiction.

The Stephenville UFO case from 2008.

The Pentagon has confirmed an Alien ship could be sending probes to Earth.

Interviews with residents and law enforcement officials reveal the rich history of UFO sightings in Arizona.

Ancient artifacts that could change history.

A man is caught in the collapse of the World Trade Center; a freak rail accident slices a man in half; a hippo attacks a safari guide in Zimbabwe.

A woman and her son encounter the legendary Jersey Devil; a giant reptile terrorizes a South Carolina town; a creature resembling a werewolf is spotted in Wisconsin.

In Mount Hood, Ore, Eli Watson meets with Sasquatch investigators to look into startling encounters in a secret location known as the Blueberry Bog.

Eli Watson digs into a historical mystery from his hometown that involves the apocalypse and visitors from another galaxy.

Searching for evidence in Area 51 of the cover-up of alien existence; while on their search, they learn of connections of conspiracy theories to UFO's.

Searching for and discussing evidence of The Brown Mountain Lights with author Micah Hanks.

Ordinary people come forward with stories of being taken by UFO's; Shannon and her team visit a location where one of these abductions took place.

Shannon meets with a witness in the White Mountains to learn about her close-up encounter.

Looking at Churchill's plan to create a giant ice ship, ghost planes that fly themselves and a Nazi treasure hunt for the Amber Room.

Looking at how to improve their bombs, the US Navy turned to the animal world for inspiration; when 270 men vanished into a cloud, witnesses claimed the soldiers had been abducted by aliens.

Crossword puzzles in a national newspaper begin to attract the attention of MI5 when the answers turn out to be code words for the upcoming D-Day operation.

Hukbalahap Rebels in the Philippines think they have a new enemy: a vampire; the British claim that an RAF pilot's incredible night vision comes from eating carrots.

In 1940, Japan launch an attack on a Chinese city - but they are not dropping bombs; swarms of fleas descend and the city is infected with the bubonic plague.

At the Battle of Mons, the Germans retreat in panic when confronted by a group of angels.

In blacked-out London four young women are murdered - just like Jack fifty years before; when two flights disappear without a trace, the legend of the Bermuda Triangle begins.

The Germans hear that Polish forces are fighting alongside a huge bear; tales of this beer-swilling, chain-smoking beast terrify them - but incredibly the stories are true.

Looking at Churchill's plan to create a giant ice ship, ghost planes that fly themselves and a Nazi treasure hunt for the Amber Room.

Looking at how to improve their bombs, the US Navy turned to the animal world for inspiration; when 270 men vanished into a cloud, witnesses claimed the soldiers had been abducted by aliens.

Crossword puzzles in a national newspaper begin to attract the attention of MI5 when the answers turn out to be code words for the upcoming D-Day operation.

Hukbalahap Rebels in the Philippines think they have a new enemy: a vampire; the British claim that an RAF pilot's incredible night vision comes from eating carrots.

In 1940, Japan launch an attack on a Chinese city - but they are not dropping bombs; swarms of fleas descend and the city is infected with the bubonic plague.

At the Battle of Mons, the Germans retreat in panic when confronted by a group of angels.

In blacked-out London four young women are murdered - just like Jack fifty years before; when two flights disappear without a trace, the legend of the Bermuda Triangle begins.

The Germans hear that Polish forces are fighting alongside a huge bear; tales of this beer-swilling, chain-smoking beast terrify them - but incredibly the stories are true.

Looking at Churchill's plan to create a giant ice ship, ghost planes that fly themselves and a Nazi treasure hunt for the Amber Room.

Looking at how to improve their bombs, the US Navy turned to the animal world for inspiration; when 270 men vanished into a cloud, witnesses claimed the soldiers had been abducted by aliens.

Crossword puzzles in a national newspaper begin to attract the attention of MI5 when the answers turn out to be code words for the upcoming D-Day operation.

Hukbalahap Rebels in the Philippines think they have a new enemy: a vampire; the British claim that an RAF pilot's incredible night vision comes from eating carrots.

In 1940, Japan launch an attack on a Chinese city - but they are not dropping bombs; swarms of fleas descend and the city is infected with the bubonic plague.

At the Battle of Mons, the Germans retreat in panic when confronted by a group of angels.

In blacked-out London four young women are murdered - just like Jack fifty years before; when two flights disappear without a trace, the legend of the Bermuda Triangle begins.

The Germans hear that Polish forces are fighting alongside a huge bear; tales of this beer-swilling, chain-smoking beast terrify them - but incredibly the stories are true.

Looking at Churchill's plan to create a giant ice ship, ghost planes that fly themselves and a Nazi treasure hunt for the Amber Room.

Looking at how to improve their bombs, the US Navy turned to the animal world for inspiration; when 270 men vanished into a cloud, witnesses claimed the soldiers had been abducted by aliens.

Crossword puzzles in a national newspaper begin to attract the attention of MI5 when the answers turn out to be code words for the upcoming D-Day operation.

Hukbalahap Rebels in the Philippines think they have a new enemy: a vampire; the British claim that an RAF pilot's incredible night vision comes from eating carrots.

In 1940, Japan launch an attack on a Chinese city - but they are not dropping bombs; swarms of fleas descend and the city is infected with the bubonic plague.

At the Battle of Mons, the Germans retreat in panic when confronted by a group of angels.

In blacked-out London four young women are murdered - just like Jack fifty years before; when two flights disappear without a trace, the legend of the Bermuda Triangle begins.

The Germans hear that Polish forces are fighting alongside a huge bear; tales of this beer-swilling, chain-smoking beast terrify them - but incredibly the stories are true.

Looking at Churchill's plan to create a giant ice ship, ghost planes that fly themselves and a Nazi treasure hunt for the Amber Room.

Looking at how to improve their bombs, the US Navy turned to the animal world for inspiration; when 270 men vanished into a cloud, witnesses claimed the soldiers had been abducted by aliens.

Crossword puzzles in a national newspaper begin to attract the attention of MI5 when the answers turn out to be code words for the upcoming D-Day operation.

Hukbalahap Rebels in the Philippines think they have a new enemy: a vampire; the British claim that an RAF pilot's incredible night vision comes from eating carrots.

In 1940, Japan launch an attack on a Chinese city - but they are not dropping bombs; swarms of fleas descend and the city is infected with the bubonic plague.

At the Battle of Mons, the Germans retreat in panic when confronted by a group of angels.

In blacked-out London four young women are murdered - just like Jack fifty years before; when two flights disappear without a trace, the legend of the Bermuda Triangle begins.

The Germans hear that Polish forces are fighting alongside a huge bear; tales of this beer-swilling, chain-smoking beast terrify them - but incredibly the stories are true.

Looking at Churchill's plan to create a giant ice ship, ghost planes that fly themselves and a Nazi treasure hunt for the Amber Room.

Looking at how to improve their bombs, the US Navy turned to the animal world for inspiration; when 270 men vanished into a cloud, witnesses claimed the soldiers had been abducted by aliens.

Crossword puzzles in a national newspaper begin to attract the attention of MI5 when the answers turn out to be code words for the upcoming D-Day operation.

Hukbalahap Rebels in the Philippines think they have a new enemy: a vampire; the British claim that an RAF pilot's incredible night vision comes from eating carrots.

In 1940, Japan launch an attack on a Chinese city - but they are not dropping bombs; swarms of fleas descend and the city is infected with the bubonic plague.

At the Battle of Mons, the Germans retreat in panic when confronted by a group of angels.

In blacked-out London four young women are murdered - just like Jack fifty years before; when two flights disappear without a trace, the legend of the Bermuda Triangle begins.

The Germans hear that Polish forces are fighting alongside a huge bear; tales of this beer-swilling, chain-smoking beast terrify them - but incredibly the stories are true.

Looking at Churchill's plan to create a giant ice ship, ghost planes that fly themselves and a Nazi treasure hunt for the Amber Room.

Looking at how to improve their bombs, the US Navy turned to the animal world for inspiration; when 270 men vanished into a cloud, witnesses claimed the soldiers had been abducted by aliens.

Crossword puzzles in a national newspaper begin to attract the attention of MI5 when the answers turn out to be code words for the upcoming D-Day operation.

Hukbalahap Rebels in the Philippines think they have a new enemy: a vampire; the British claim that an RAF pilot's incredible night vision comes from eating carrots.

In 1940, Japan launch an attack on a Chinese city - but they are not dropping bombs; swarms of fleas descend and the city is infected with the bubonic plague.

At the Battle of Mons, the Germans retreat in panic when confronted by a group of angels.

In blacked-out London four young women are murdered - just like Jack fifty years before; when two flights disappear without a trace, the legend of the Bermuda Triangle begins.

The Germans hear that Polish forces are fighting alongside a huge bear; tales of this beer-swilling, chain-smoking beast terrify them - but incredibly the stories are true.

Looking at Churchill's plan to create a giant ice ship, ghost planes that fly themselves and a Nazi treasure hunt for the Amber Room.

Looking at how to improve their bombs, the US Navy turned to the animal world for inspiration; when 270 men vanished into a cloud, witnesses claimed the soldiers had been abducted by aliens.

Crossword puzzles in a national newspaper begin to attract the attention of MI5 when the answers turn out to be code words for the upcoming D-Day operation.

Hukbalahap Rebels in the Philippines think they have a new enemy: a vampire; the British claim that an RAF pilot's incredible night vision comes from eating carrots.

In 1940, Japan launch an attack on a Chinese city - but they are not dropping bombs; swarms of fleas descend and the city is infected with the bubonic plague.

At the Battle of Mons, the Germans retreat in panic when confronted by a group of angels.

In blacked-out London four young women are murdered - just like Jack fifty years before; when two flights disappear without a trace, the legend of the Bermuda Triangle begins.

The Germans hear that Polish forces are fighting alongside a huge bear; tales of this beer-swilling, chain-smoking beast terrify them - but incredibly the stories are true.

Looking at Churchill's plan to create a giant ice ship, ghost planes that fly themselves and a Nazi treasure hunt for the Amber Room.

Looking at how to improve their bombs, the US Navy turned to the animal world for inspiration; when 270 men vanished into a cloud, witnesses claimed the soldiers had been abducted by aliens.

Crossword puzzles in a national newspaper begin to attract the attention of MI5 when the answers turn out to be code words for the upcoming D-Day operation.

Hukbalahap Rebels in the Philippines think they have a new enemy: a vampire; the British claim that an RAF pilot's incredible night vision comes from eating carrots.

In 1940, Japan launch an attack on a Chinese city - but they are not dropping bombs; swarms of fleas descend and the city is infected with the bubonic plague.

At the Battle of Mons, the Germans retreat in panic when confronted by a group of angels.

In blacked-out London four young women are murdered - just like Jack fifty years before; when two flights disappear without a trace, the legend of the Bermuda Triangle begins.

The Germans hear that Polish forces are fighting alongside a huge bear; tales of this beer-swilling, chain-smoking beast terrify them - but incredibly the stories are true.

The Chestnut Ridge hides a dark truth about the origins of Sasquatch.

Finding hundreds of caves beneath the rolling hills of the Chestnut Ridge, caverns that could house Sasquatch.

Stalking the Ridge not only has Sasquatch and Mothman, but also government disinformation agents.

A wife feels she is never alone in her serene country home, but her husband is skeptical.

While a mother comes to terms with her daughter's death, strange activity has been reported in the house.

The small town of Webbwood has a history of disasters and a house with paranormal activity that may or may not be related.

A young pregnant wife picks on an spirits that seem to be sinister and her husband turns to professionals.

A family of four encounters bizarre experiences in the home they've lived in for six months.

After evicting tenants, a woman moves back into a house only to experience bizarre happenings.

A huge cataclysm is discovered in ancient texts; an alien discovery; a sinister robot takeover.

Mysterious human-shaped shadow; a little boy travels hundreds of miles in a second; crystal skulls.

An earth-shattering boom; a paranormal fog on Lake Michigan; a blinding double flash of light.

George Adamski, a controversial ufologist famous for his flying saucer photos, faces skepticism and belief; his photos, still debated, may support his claims of meeting a man from Venus.

Eli investigates government scrutiny of George Adamski who despite suppression attempts, stood by his photograph and film evidence, remaining a hotly debated figure in ufology.

In the 1960s the cattle mutilation phenomenon became a widespread concern across the American west..

The team investigates UFO phenomena like Mothman, Flatwoods Monster, and eyewitness accounts..

A closer look at the awe-inspiring structures that capture imaginations, including the Olmec Heads of Central America, the Alhambra in Spain and Angkor Wat in Cambodia.

Ancient and sacred sites with alleged healing powers, from the grotto of Lourdes and Machu Picchu to mystical rainforests and the Ganges River.

The Egyptian Book of the Dead, the Bhagavad Gita and the Bible.

Explore the myths and legends of ancient civilizations, from Lemuria and Atlantis to the mystery of the Etruscans and the Forgotten Kingdoms of Tibet.

Revered religious artifacts from around the world, including the Shrine of the Three Kings, the Ark of the Covenant and the Holy Grail.

A deep dive into secret cults and mysterious orders around the world, from the Freemasons and Skull and Bones to the Illuminati and the Hermetic Order of the Golden Dawn.

In the Conclusion of the Florida Saga, Aleks finds himself in Northern Florida.

Aleks and the Beyond the Trail crew delve into the infamous paranormal Bridgewater Triangle area.

Seeking to determine if the UFOs seen in Arizona and Nevada are man-made or from other worlds.

A group of beings existed before mankind, hidden from modern society. Thorough investigations of art and ancient text reveal interactions between humans and a higher source of intelligence.

A psychic helps a woman find the men who killed her nephew.

Lawrence Mbroh.

Police consult psychic Dr. Sally Headding to help find the body of a missing mother.

A college student in Tempe, Ariz., disappears.

Amy St. Laurent leaves a bar with a stranger and is never seen again.

A man disappears after he offers a ride to a stranger.

Kay Nambiar and the team investigate paranormal activity in Cheltenham, south west England, where a séance gets out of control.

Kay and the team investigate paranormal activity in one of Belgium's spookiest cities where the team are convinced they're being followed by a spirit.

The team investigate ghostly activity in Heidelberg, Germany, where Chris and Paul's equipment go haywire when a spirit of a young woman appears before Ian.

Seeking to determine if the UFOs seen in Arizona and Nevada are man-made or from other worlds.

A group of beings existed before mankind, hidden from modern society. Thorough investigations of art and ancient text reveal interactions between humans and a higher source of intelligence.

A California woman is plagued by an invisible attacker; a teen thinks she can see ghosts.

A skydiver survives a fall when her parachute fails; the possibility of spontaneous human combustion.

A healer claims to cure diseases with prayer.

Eli Watson investigates reports and stories of Bigfoot along the Santa Ana River and in the mountains of San Bernardino.

Eli traces the rise of bipedal canine sightings, from a 1990s case to ancient myths of gods and monsters.

Shannon investigates a purported 2017 UFO video and the claims of an eyewitness.

Explores discussing a very well-known mass UFO sighting with a witness, even though this isn't the only one ever made.

From the Hudson Valley of upstate New York to the Sedona desert of Arizona, Shannon embarks on a trip to places around the US with a high number of UFO reports.

An American Indian elder explains tribal beliefs regarding UFOs; New Hampshire residents recount an encounter with a strange craft.

Delve into the most convincing evidence that the planet has been visited by extraterrestrial life forms, from alien encounters in ancient texts to modern-day UFO sightings and the secrets of Area 51.