New theories about labor leader Jimmy Hoffa's disappearance are revealed; a film clip may reveal what really happened to Michael Rockefeller who went missing off the coast of Papua New Guinea; experts investigate President Kennedy's missing brain.

A long-lost cache of Civil War gold may have been found; new evidence could point to the location of the stolen millions from the Plymouth Mail robbery; treasure hunters search for the legendary Lost Dutchman Mine.

Experts may have finally identified the strange creatures that besieged a Kentucky farmhouse; new evidence could explain the largest mass UFO sighting in U.S. history; investigators seek answers in Chicago's O'Hare International Airport sighting.

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.

Craig and Sarah examine a UFO case reported from Pentyrch, South Wales in February 2016; they discuss recent footage and talk with investigators and a prominent eyewitness.

Craig and Sarah focus on UFO reports from the west coast of Ireland, notably an incident in 2018 when airline pilots experienced multiple sightings.

Blood-curdling curses.

A healer claims to cure diseases with prayer.

Lights above the Indian Ocean send a nation into panic.

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

The mysteries of modern science that confound the experts, including time travel, the dark web and the secrets of morphic fields.

Unsolved urban mysteries include a walrus skeleton found in a mass London grave, Moscow's secret Metro line and Prague's occult origins.

Individuals whose identities remain a mystery including D.B. Cooper, Jack the Ripper and the Man in the Iron Mask.

Classified military projects from false flag operations to America's recruitment of Nazi scientists after World War II.

Large unidentified objects appear over Kremlin and Pentagon.

Roswell's 1947 UFO crash sparked lasting debate and claims of alien cover-up, cementing its iconic status.

Strange three-fingered mummies discovered in Nazca raise questions of alien origin.

Documentarian Seth Breedlove and his crew head to the Adirondacks of upstate New York searching for Sasquatch; the crew visits Whitehall, NY, home to an incident involving multiple members of law enforcement claiming to see a Bigfoot.

A look at a series of metal cubes seen spinning in the sky over Earth; exploring the origin of an angel-shaped apparition; China's interest in aliens; a metal alloy that may power UFOs; scareships.

A mysterious doorway on Mars; victims of a UFO in the Amazon; an alien party crasher at the Queen's Jubilee in London; animal mutilations in France; a video of otherworldly visitors to Turkey.

Fending off a swarm of aggressive UFOs with a U.S. warship; an alien voice takes over a British TV broadcast; an Australian teacher who was threatened after a UFO sighting at school; exploring who the Men in Black really are.

Audio collected and experienced across the state of West Virginia is discussed.

In the American South, legends tell of a creature haunting the swamps - an ancient evil known as the Rougarou.

Follow the urban myth about a red-eyed creature seen as a harbinger of doom in the 1960s rural West Virginia.

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.

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.

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.

The expedition team shares first encounters and methods in their Sasquatch search in Shenandoah Valley.

Tyler Hall & Tyler Burgoyne investigate a sighting. A tense night search and follow-up reveal possible clues.

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

Craig and Sarah look at the 1980 Yorkshire case of Alan Godfrey who was allegedly abducted by a UFO; Godfrey underwent hypnosis in support of his claim; other prominent U.K. and U.S. abduction claims are featured and the experts discuss.

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

A seance appears to turn a housewife into a literary genius, as she channels a spirit to write a series of acclaimed books.

An explorer in Mexico finds a crystal skull he believes could open the way to another universe.

A grisly creature washes up on a Newfoundland beach.

Locations around the world with special religious significance from a Catalonian monastery to South Dakota's Black Hills.

Human sacrifice fueled by religious and cultural beliefs that include ritualistic burnings and bloodlettings.

A deep dive into people who vanished and were never found from a British secret agent to an intrepid explorer from a famous family.

Inventions that failed or were suppressed by the powers that be included Nikola Tesla's Wardenclyffe Tower and Stanley Meyer's water-powered fuel cell.

UFO crashes in 1945 and 1948 near Los Alamos suggest a link to nuclear activity.

Crop circles fascinate with their patterns and possible extraterrestrial origin.

Three alien abduction cases in the U.S. provide testimony and evidence.

Search Appalachia and the Smoky Mountains for Bigfoot.

Search Appalachia and the Smoky Mountains for Bigfoot.

A new kind of alien; picking apart an abduction case in the UK; learning why NASA is investigating UFOs after decades of denial; looking at time travel.

Sinister shapes hover over Chicago and Ruwa, Zimbabwe; an Australian is fighting for his life after taking a blast from a mysterious object; a UFO appears to taunt a U.S. military fighter jet over the Bermuda Triangle.

A pilot records a fleet of glowing UFOs over the South China Sea that appear and disappear; 12,000-year-old carvings at Karahan Tepe depict humanoids with mysterious features.

Deep in the darkened forests of West Virginia, a legend roams; tracked by investigators like Russ Jones, Bigfoot has long been primarily thought to roam the Pacific Northwest.

Beth Duncan experiences something strange on her property outside Wineberry, W.Va.; amongst the hills and hollers of the mountain state, a mystery unfolds that stretches the limits of what is known about Bigfoot.

A wave of werewolf sightings in western Pennsylvania draws Ward Hiney and skeptic Chad Christy to investigate.

In 1966, a slew of terrifying encounters and paranormal events bedeviled a rural community in West Virginia.

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 colored lights and hieroglyphic inscriptions.

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 colored lights and hieroglyphic inscriptions.

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.

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.

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 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.

Nathan Jenkins shares Bigfoot encounters and family history tied to Shenandoah legends.

Nathan Jenkins shares Bigfoot encounters and family history tied to Shenandoah legends.

The crew analyzes eerie audio with Devin Kouts, comparing it to known animal sounds.

The crew analyzes eerie audio with Devin Kouts, comparing it to known animal sounds.

The Stephenville UFO case from 2008.

The Stephenville UFO case from 2008.

In 2017, a strange object 800 meters long appears in the solar system; nicknamed 'Oumuamua, it acts in ways that cannot be scientifically explained.

In 2017, a strange object 800 meters long appears in the solar system; nicknamed 'Oumuamua, it acts in ways that cannot be scientifically explained.

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.

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.

Tales of everyday objects that seem to be haunted by the dead, including a man who is attacked in his bed by an invisible phantom force following a devastating earthquake.

Tales of everyday objects that seem to be haunted by the dead, including a man who is attacked in his bed by an invisible phantom force following a devastating earthquake.

Researchers conduct a series of groundbreaking seances.

Researchers conduct a series of groundbreaking seances.

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

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

Cryptic artwork including a crucifixion statue with real teeth, Girl with a Pearl Earring and Leonardo da Vinci's Last Supper.

Cryptic artwork including a crucifixion statue with real teeth, Girl with a Pearl Earring and Leonardo da Vinci's Last Supper.

World War II left behind a number of unexplained events, such as the identity of Anne Frank's betrayer and the ultimate fate of Raoul Wallenberg.

World War II left behind a number of unexplained events, such as the identity of Anne Frank's betrayer and the ultimate fate of Raoul Wallenberg.

Ten notable cases of information that were deemed unacceptable for public consumption include missing Biblical gospels and a baffling manuscript.

Ten notable cases of information that were deemed unacceptable for public consumption include missing Biblical gospels and a baffling manuscript.

Time-honored but not always scientifically accepted, non-traditional healing methods including herbal remedies and regression therapy.

Time-honored but not always scientifically accepted, non-traditional healing methods including herbal remedies and regression therapy.

A secret alien-human collaboration in postwar Italy points to hidden encounters.

A secret alien-human collaboration in postwar Italy points to hidden encounters.

Teotihuacan, the City of the Gods, still hides mysteries about its origin, layout, and cosmic alignments.

Teotihuacan, the City of the Gods, still hides mysteries about its origin, layout, and cosmic alignments.

Claims suggest secret space programs have sent humans to Mars.

Claims suggest secret space programs have sent humans to Mars.

The biggest breakthrough in the search for Sasquatch is found in Northern Washington.

The biggest breakthrough in the search for Sasquatch is found in Northern Washington.

Digging into a UFO crash caught on camera in Brazil; a close encounter of the Beatles kind; finding out if aliens shut down a nuclear missile launch site in Montana; looking at the shapes of UFOs and considering a link between ghosts and aliens.

Digging into a UFO crash caught on camera in Brazil; a close encounter of the Beatles kind; finding out if aliens shut down a nuclear missile launch site in Montana; looking at the shapes of UFOs and considering a link between ghosts and aliens.

Accounts of an amphibious UFO in Indonesia; a mass abduction in Australia; a slew of deaths in Wales after a strange sighting; searching for an alien library with an astronaut and meeting a scientist hunting for an interdimensional portal.

Accounts of an amphibious UFO in Indonesia; a mass abduction in Australia; a slew of deaths in Wales after a strange sighting; searching for an alien library with an astronaut and meeting a scientist hunting for an interdimensional portal.

Taking a look at strange crafts flying over power plants, airports and the Royal Palace in Sweden, a veteran with supposed UFO-related health issues and footage shown at a US congressional hearing.

Taking a look at strange crafts flying over power plants, airports and the Royal Palace in Sweden, a veteran with supposed UFO-related health issues and footage shown at a US congressional hearing.

Creatures that are seemingly half-man and half-beast, including the tale of a bloodthirsty werewolf-like creature that appears on a country road in Wisconsin.

Creatures that are seemingly half-man and half-beast, including the tale of a bloodthirsty werewolf-like creature that appears on a country road in Wisconsin.

People who cheated death.

People who cheated death.

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

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

A doctor finds carvings that may indicate humans and dinosaurs coexisted.

A doctor finds carvings that may indicate humans and dinosaurs coexisted.

An Arizona woman claims to have been fathered by an alien in a top-secret government experiment.

An Arizona woman claims to have been fathered by an alien in a top-secret government experiment.

Blood-curdling curses.

Blood-curdling curses.

A healer claims to cure diseases with prayer.

A healer claims to cure diseases with prayer.

Lights above the Indian Ocean send a nation into panic.

Lights above the Indian Ocean send a nation into panic.

A seance appears to turn a housewife into a literary genius, as she channels a spirit to write a series of acclaimed books.

A seance appears to turn a housewife into a literary genius, as she channels a spirit to write a series of acclaimed books.

An explorer in Mexico finds a crystal skull he believes could open the way to another universe.

An explorer in Mexico finds a crystal skull he believes could open the way to another universe.

A grisly creature washes up on a Newfoundland beach.

A grisly creature washes up on a Newfoundland beach.

Tales of everyday objects that seem to be haunted by the dead, including a man who is attacked in his bed by an invisible phantom force following a devastating earthquake.

Tales of everyday objects that seem to be haunted by the dead, including a man who is attacked in his bed by an invisible phantom force following a devastating earthquake.

Researchers conduct a series of groundbreaking seances.

Researchers conduct a series of groundbreaking seances.

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

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

People who have vanished without a trace.

People who have vanished without a trace.

Stories about the supersensory power of animals, including a psychic octopus that correctly predicted multiple winners in sporting events.

Stories about the supersensory power of animals, including a psychic octopus that correctly predicted multiple winners in sporting events.

A farmer discovers a mutilated cow; a Texas man claims he was abducted; an astronomer intercepts a mysterious message.

A farmer discovers a mutilated cow; a Texas man claims he was abducted; an astronomer intercepts a mysterious message.

The predictive power of the subconscious; a man predicts a plane crash.

The predictive power of the subconscious; a man predicts a plane crash.

Medics at a California hospital fall gravely ill after treating a mysteriously ailing patient.

Medics at a California hospital fall gravely ill after treating a mysteriously ailing patient.

Rumbling volcano beneath Yellowstone National Park.

Rumbling volcano beneath Yellowstone National Park.

Creatures that are seemingly half-man and half-beast, including the tale of a bloodthirsty werewolf-like creature that appears on a country road in Wisconsin.

Creatures that are seemingly half-man and half-beast, including the tale of a bloodthirsty werewolf-like creature that appears on a country road in Wisconsin.

People who cheated death.

People who cheated death.

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

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

A doctor finds carvings that may indicate humans and dinosaurs coexisted.

A doctor finds carvings that may indicate humans and dinosaurs coexisted.

An Arizona woman claims to have been fathered by an alien in a top-secret government experiment.

An Arizona woman claims to have been fathered by an alien in a top-secret government experiment.

Blood-curdling curses.

Blood-curdling curses.

A healer claims to cure diseases with prayer.

A healer claims to cure diseases with prayer.

Lights above the Indian Ocean send a nation into panic.

Lights above the Indian Ocean send a nation into panic.

A seance appears to turn a housewife into a literary genius, as she channels a spirit to write a series of acclaimed books.

A seance appears to turn a housewife into a literary genius, as she channels a spirit to write a series of acclaimed books.

An explorer in Mexico finds a crystal skull he believes could open the way to another universe.

An explorer in Mexico finds a crystal skull he believes could open the way to another universe.

A grisly creature washes up on a Newfoundland beach.

A grisly creature washes up on a Newfoundland beach.

Tales of everyday objects that seem to be haunted by the dead, including a man who is attacked in his bed by an invisible phantom force following a devastating earthquake.

Tales of everyday objects that seem to be haunted by the dead, including a man who is attacked in his bed by an invisible phantom force following a devastating earthquake.

Researchers conduct a series of groundbreaking seances.

Researchers conduct a series of groundbreaking seances.

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

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

People who have vanished without a trace.

People who have vanished without a trace.

Stories about the supersensory power of animals, including a psychic octopus that correctly predicted multiple winners in sporting events.

Stories about the supersensory power of animals, including a psychic octopus that correctly predicted multiple winners in sporting events.

A farmer discovers a mutilated cow; a Texas man claims he was abducted; an astronomer intercepts a mysterious message.

A farmer discovers a mutilated cow; a Texas man claims he was abducted; an astronomer intercepts a mysterious message.

The predictive power of the subconscious; a man predicts a plane crash.

The predictive power of the subconscious; a man predicts a plane crash.

Medics at a California hospital fall gravely ill after treating a mysteriously ailing patient.

Medics at a California hospital fall gravely ill after treating a mysteriously ailing patient.

Rumbling volcano beneath Yellowstone National Park.

Rumbling volcano beneath Yellowstone National Park.

Creatures that are seemingly half-man and half-beast, including the tale of a bloodthirsty werewolf-like creature that appears on a country road in Wisconsin.

Creatures that are seemingly half-man and half-beast, including the tale of a bloodthirsty werewolf-like creature that appears on a country road in Wisconsin.

People who cheated death.

People who cheated death.

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

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

A doctor finds carvings that may indicate humans and dinosaurs coexisted.

A doctor finds carvings that may indicate humans and dinosaurs coexisted.

An Arizona woman claims to have been fathered by an alien in a top-secret government experiment.

An Arizona woman claims to have been fathered by an alien in a top-secret government experiment.

Blood-curdling curses.

Blood-curdling curses.

A healer claims to cure diseases with prayer.

A healer claims to cure diseases with prayer.

Lights above the Indian Ocean send a nation into panic.

Lights above the Indian Ocean send a nation into panic.

A seance appears to turn a housewife into a literary genius, as she channels a spirit to write a series of acclaimed books.

Lake Tahoe's Bigfoot lore resurfaces as Bob and Kathy Strain revisit the audio that was recorded there.

Unsolved urban mysteries include a walrus skeleton found in a mass London grave, Moscow's secret Metro line and Prague's occult origins.

In 2010, Justin Smeja shoots a Sasquatch, buries it and sparks chaos across the Bigfoot community.

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

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.

The crew broadens their search, exploring the wider Alaskan coastal rainforest.

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

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.

The crew ventures into a dark valley across from camp, searching for signs of anything elusive.

The crew broadens their search, exploring the wider Alaskan coastal rainforest.

Exploring the top 5 most compelling UFO sightings in Arizona.

The crew ventures into a dark valley across from camp, searching for signs of anything elusive.

A new theory is posed about what really happened to Charles Lindbergh's kidnapped son; experts may have finally solved one of Hollywood's biggest murder mysteries; a small Ohio town seeks answers to thousands of threatening letters.

Investigating reports of UFOs massed over the South China Sea, ancient carvings of alienlike humanoids, and Albert Einstein's secret 1947 visit to Roswell, New Mexico.

Experts investigate the abduction of Betty and Barney Hill; new evidence surfaces about abductee Travis Walton; there may be an earthly explanation for the Mothman.

A look at a series of metal cubes seen spinning in the sky over Earth; exploring the origin of an angel-shaped apparition; China's interest in aliens; a metal alloy that may power UFOs; scareships.

New theories about the Mantell UFO incident are revealed; scientific evidence may explain a UFO encounter in Texas; experts investigate what really crashed into a Canadian harbor.

A mysterious doorway on Mars; victims of a UFO in the Amazon; an alien party crasher at the Queen's Jubilee in London; animal mutilations in France; a video of otherworldly visitors to Turkey.

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 colored lights and hieroglyphic inscriptions.

A new theory is posed about what really happened to Charles Lindbergh's kidnapped son; experts may have finally solved one of Hollywood's biggest murder mysteries; a small Ohio town seeks answers to thousands of threatening letters.

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.

Experts investigate the abduction of Betty and Barney Hill; new evidence surfaces about abductee Travis Walton; there may be an earthly explanation for the Mothman.

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.

New theories about the Mantell UFO incident are revealed; scientific evidence may explain a UFO encounter in Texas; experts investigate what really crashed into a Canadian harbor.

Investigating reports of UFOs massed over the South China Sea, ancient carvings of alienlike humanoids, and Albert Einstein's secret 1947 visit to Roswell, New Mexico.

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 look at a series of metal cubes seen spinning in the sky over Earth; exploring the origin of an angel-shaped apparition; China's interest in aliens; a metal alloy that may power UFOs; scareships.

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

A mysterious doorway on Mars; victims of a UFO in the Amazon; an alien party crasher at the Queen's Jubilee in London; animal mutilations in France; a video of otherworldly visitors to Turkey.

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.

Billy Meier's UFO photos and prophecies bring him fame and controversy.

People who have vanished without a trace.

Large unidentified objects appear over Kremlin and Pentagon.

Stories about the supersensory power of animals, including a psychic octopus that correctly predicted multiple winners in sporting events.

Roswell's 1947 UFO crash sparked lasting debate and claims of alien cover-up, cementing its iconic status.

Follow the urban myth about a red-eyed creature seen as a harbinger of doom in 1960s rural West Virginia.

Follow the urban myth about a red-eyed creature seen as a harbinger of doom in the 1960s rural West Virginia.

In the American South, legends tell of a creature haunting the swamps - an ancient evil known as the Rougarou.

Bart Cutino's Sierra Nevada expedition takes a turn when he's surrounded by Sasquatches overnight.

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

In the aftermath of Justin Smeja's story, a number of researchers probe the Northern Sierras for Bigfoot evidence.

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.

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

Exploring centuries of Bigfoot sightings, hoaxes and lore across Appalachia.

Eli takes a close look at reports from San Diego to determine if Sasquatch might exist in Southern California.

Aleks dives into Bigfoot lore in Pennsylvania's Pocono Mountains including the tale of the Suscon Screamer.

Dive into deeply unsettling wartime legends: from Stalin's rumored attempts to create human-ape hybrids to reports of Nazi zombie spies and a strange plague that surfaced decades later.

The story of Herman Goering's younger brother Albert, who was opposed to Nazism and helped Jews and others escape persecution in Germany, but found himself shunned due to his name.

This eerie installment of weird wartime mysteries and military deception includes Stalin's obsession with flying saucers, a ghost army built to fool Hitler, and the mysterious disappearance of bandleader Glenn Miller.

A daring plan devised in 1943 by the inmates of the Death Camp at Sobibor, as they staged an organized rebellion to fight back against their Nazi oppressors.

Magicians joining the war effort, a double agent who deceived Hitler and strange UFO sightings over Canada? These bizarre stories prove that our world wars were even weirder than we were taught in school.

Dive into tales of a strange Japanese balloon bomb, mysterious U-boat sightings and deep-sea anomalies that surfaced during the world wars. These weird wartime encounters challenge the boundaries of logic and history with every eerie detail.

In the deserts of Arizona; a diverse research team including geologists UFOlogists and environmental scientists unite to explore the correlations between UFO sightings and unexplained mineral deposits.

Bart Cutino's Sierra Nevada expedition takes a turn when he's surrounded by Sasquatches overnight.

In the aftermath of Justin Smeja's story, a number of researchers probe the Northern Sierras for Bigfoot evidence.

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

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

Follow the expedition as bad weather shrouds Alaska's dark coast, living up to its eerie reputation.

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.

People who have vanished without a trace.

Aleks Petakov explores Alaska's remote Area A, starting a two-week expedition along the Kenai Peninsula.

Stories about the supersensory power of animals, including a psychic octopus that correctly predicted multiple winners in sporting events.

Exploring whether the President attempted to disclose information on UFO abductions and close encounters in an unorthodox way.

People who cheated death.

Fending off a swarm of aggressive UFOs with a U.S. warship; an alien voice takes over a British TV broadcast; an Australian teacher who was threatened after a UFO sighting at school; exploring who the Men in Black really are.

Follow the expedition as bad weather shrouds Alaska's dark coast, living up to its eerie reputation.

A new kind of alien; picking apart an abduction case in the UK; learning why NASA is investigating UFOs after decades of denial; looking at time travel.

Aleks Petakov explores Alaska's remote Area A, starting a two-week expedition along the Kenai Peninsula.

Sinister shapes hover over Chicago and Ruwa, Zimbabwe; an Australian is fighting for his life after taking a blast from a mysterious object; a UFO appears to taunt a U.S. military fighter jet over the Bermuda Triangle.

Experts investigate the mystery of the Bermuda Triangle; researchers seek answers about strange sightings in Massachusetts; a murderer may be responsible for a string of unexplained disappearances in Bennington, Vt.

Experts investigate disturbing phenomena at Skinwalker Ranch; top-secret experiments may have been conducted at a former Air Force base in Long Island, N.Y.; new theories may explain why Mount Shasta is a magnet for paranormal activity.

Experts investigate disturbing phenomena at Skinwalker Ranch; top-secret experiments may have been conducted at a former Air Force base in Long Island, N.Y.; new theories may explain why Mount Shasta is a magnet for paranormal activity.

Newly declassified documents may link the Roswell crash to Nazi science; fresh evidence may reveal what's really hidden inside Area 51; experts investigate the dark secrets of the Dugway Proving Ground.

Newly declassified documents may link the Roswell crash to Nazi science; fresh evidence may reveal what's really hidden inside Area 51; experts investigate the dark secrets of the Dugway Proving Ground.

New theories may shed light on the fate of aviator Amelia Earhart, hijacker D.B. Cooper and the three daring prisoners who escaped from the Alcatraz Federal Penitentiary.

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.

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

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.

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 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 colored lights and hieroglyphic inscriptions.

Fending off a swarm of aggressive UFOs with a U.S. warship; an alien voice takes over a British TV broadcast; an Australian teacher who was threatened after a UFO sighting at school; exploring who the Men in Black really are.

A farmer discovers a mutilated cow; a Texas man claims he was abducted; an astronomer intercepts a mysterious message.

A new kind of alien; picking apart an abduction case in the UK; learning why NASA is investigating UFOs after decades of denial; looking at time travel.

The predictive power of the subconscious; a man predicts a plane crash.

Sinister shapes hover over Chicago and Ruwa, Zimbabwe; an Australian is fighting for his life after taking a blast from a mysterious object; a UFO appears to taunt a U.S. military fighter jet over the Bermuda Triangle.

The terrifying true story of the Bell family who is haunted by an apparition bent on destroying their lives.

Strange three-fingered mummies discovered in Nazca raise questions of alien origin.

UFO crashes in 1945 and 1948 near Los Alamos suggest a link to nuclear activity.

Explore years of mountain lion sightings in New England via experts & witnesses in a heated regional mystery.

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.

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

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.

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

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.

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.

Exploring centuries of Bigfoot sightings, hoaxes and lore across Appalachia.

Aleks dives into Bigfoot lore in Pennsylvania's Pocono Mountains including the tale of the Suscon Screamer.

Lake Tahoe's Bigfoot lore resurfaces as Bob and Kathy Strain revisit the audio that was recorded there.

In 2010, Justin Smeja shoots a Sasquatch, buries it and sparks chaos across the Bigfoot community.

The crew wraps up the expedition and concludes with a full review of the series.

The crew broadens their search, exploring the wider Alaskan coastal rainforest.

Declassified documents from the Cold War shine light into the hidden communications between the US and the Soviet Union during the heavy tensions.

A pilot records a fleet of glowing UFOs over the South China Sea that appear and disappear; 12,000-year-old carvings at Karahan Tepe depict humanoids with mysterious features.

Digging into a UFO crash caught on camera in Brazil; a close encounter of the Beatles kind; finding out if aliens shut down a nuclear missile launch site in Montana; looking at the shapes of UFOs and considering a link between ghosts and aliens.

Accounts of an amphibious UFO in Indonesia; a mass abduction in Australia; a slew of deaths in Wales after a strange sighting; searching for an alien library with an astronaut and meeting a scientist hunting for an interdimensional portal.

Experts investigate the mystery of the Bermuda Triangle; researchers seek answers about strange sightings in Massachusetts; a murderer may be responsible for a string of unexplained disappearances in Bennington, Vt.

New theories about labor leader Jimmy Hoffa's disappearance are revealed; a film clip may reveal what really happened to Michael Rockefeller who went missing off the coast of Papua New Guinea; experts investigate President Kennedy's missing brain.

A long-lost cache of Civil War gold may have been found; new evidence could point to the location of the stolen millions from the Plymouth Mail robbery; treasure hunters search for the legendary Lost Dutchman Mine.

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.

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.

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.

Medics at a California hospital fall gravely ill after treating a mysteriously ailing patient.

Rumbling volcano beneath Yellowstone National Park.

A documentary examining upright canid reports in North America, folklore origins, and their real-world impact.

In the early '90s, a rural Wisconsin community becomes the center of a series of real-life werewolf sightings.

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

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

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.

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.

Investigators Jonathan Wilk & Dave McCullough revisit Jonathan's 1992 Sasquatch encounter in MA's Berkshires.

Lake Tahoe's Bigfoot lore resurfaces as Bob and Kathy Strain revisit the audio that was recorded there.

In 2010, Justin Smeja shoots a Sasquatch, buries it and sparks chaos across the Bigfoot community.

The crew ventures into a dark valley across from camp, searching for signs of anything elusive.

Follow the expedition as bad weather shrouds Alaska's dark coast, living up to its eerie reputation.

During the 70s, top scientists and astronomers sent coded messages into space with the hopes of getting a response from an extraterrestrial civilization; what they didn't anticipate was a speedy reply and an uptick in sightings around the world.

Taking a look at strange crafts flying over power plants, airports and the Royal Palace in Sweden, a veteran with supposed UFO-related health issues and footage shown at a US congressional hearing.

Investigating reports of UFOs massed over the South China Sea, ancient carvings of alienlike humanoids, and Albert Einstein's secret 1947 visit to Roswell, New Mexico.

A look at a series of metal cubes seen spinning in the sky over Earth; exploring the origin of an angel-shaped apparition; China's interest in aliens; a metal alloy that may power UFOs; scareships.

Experts may have finally identified the strange creatures that besieged a Kentucky farmhouse; new evidence could explain the largest mass UFO sighting in U.S. history; investigators seek answers in Chicago's O'Hare International Airport sighting.

A new theory is posed about what really happened to Charles Lindbergh's kidnapped son; experts may have finally solved one of Hollywood's biggest murder mysteries; a small Ohio town seeks answers to thousands of threatening letters.

Experts investigate the abduction of Betty and Barney Hill; new evidence surfaces about abductee Travis Walton; there may be an earthly explanation for the Mothman.

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

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.

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.

Creatures that are seemingly half-man and half-beast, including the tale of a bloodthirsty werewolf-like creature that appears on a country road in Wisconsin.

People who cheated death.

In 1966, a slew of terrifying encounters and paranormal events bedeviled a rural community in West Virginia.

Casefiles uncovers the hidden stories behind various Small Town Monsters films.

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

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

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

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.

Bart Cutino's Sierra Nevada expedition takes a turn when he's surrounded by Sasquatches overnight.

In the aftermath of Justin Smeja's story, a number of researchers probe the Northern Sierras for Bigfoot evidence.

Aleks Petakov explores Alaska's remote Area A, starting a two-week expedition along the Kenai Peninsula.

The crew wraps up the expedition and concludes with a full review of the series.

Hidden in the Grand Canyon, in the areas that are off limits to modern civilization, is a group of ancestors that have become lost over time. With the help of a Hopi Elder, we uncovered this lost group and discover an ancient connection.

A mysterious doorway on Mars; victims of a UFO in the Amazon; an alien party crasher at the Queen's Jubilee in London; animal mutilations in France; a video of otherworldly visitors to Turkey.

Fending off a swarm of aggressive UFOs with a U.S. warship; an alien voice takes over a British TV broadcast; an Australian teacher who was threatened after a UFO sighting at school; exploring who the Men in Black really are.

A new kind of alien; picking apart an abduction case in the UK; learning why NASA is investigating UFOs after decades of denial; looking at time travel.

New theories about the Mantell UFO incident are revealed; scientific evidence may explain a UFO encounter in Texas; experts investigate what really crashed into a Canadian harbor.

Experts investigate disturbing phenomena at Skinwalker Ranch; top-secret experiments may have been conducted at a former Air Force base in Long Island, N.Y.; new theories may explain why Mount Shasta is a magnet for paranormal activity.

Newly declassified documents may link the Roswell crash to Nazi science; fresh evidence may reveal what's really hidden inside Area 51; experts investigate the dark secrets of the Dugway Proving Ground.