T+E

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.

An investigative team explores a haunted cabin; a Sasquatch chases a group of Russians to their car; a poltergeist torments a man in Utah; a motorcyclist in India has a close call with a creepy entity.

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

Three friends -- Tina, Louise and Lisa -- experience the supernatural in different ways and have varying responses to the strange things they've seen.

The team investigates claims of angel sightings on a stretch of highway.

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

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

These are the witnesses that have been literally touched by the unknown; physical contact events that take the shape of nightmares, complete with alien examinations and inexplicable metal implants discovered inside human bodies.

Explores strongholds abandoned by their architects; a lost city in the Amazon jungle; a desert fortress made by humanity's most notorious empire; explores a city of identical castles; examines a Greek isle's bloody history from the air.

The PRS visits a graveyard where a jealous spirit haunts the caretaker's new wife.

Paid programming.

After a terrifying burn accident as a child, Jayden grows up hoping to become a firefighter and fight California's notorious forest fires; after a series of tragic events, 20-year-old Jayden now smokes dangerous amounts of fentanyl.

Exploring video evidence and testimony of the existence and nature of UFOs.

A ghost hunter communicates with trapped spirits inside a 19th-century farmhouse; hundreds of UFOs are spotted off the coast of Florida; and a motorcyclist in India has a close call with creepy entity.

In 2016 American Bianca Rudolph is found dead in her hunting lodge in Zambia; deemed an accident by the authorities, her husband of 34 years, multimillionaire dentist Larry Rudolph moves on with his life, with his lover.

Nicholette's family hopes an intervention will save her from her out-of-control drug addiction.

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

Follows police investigators and forensic specialists across Australia as they battle the clock to find lost loved ones and bring them home.

A ghost hunter communicates with trapped spirits inside a 19th-century farmhouse; hundreds of UFOs are spotted off the coast of Florida; and a motorcyclist in India has a close call with creepy entity.

Exploring video evidence and testimony of the existence and nature of UFOs.

For centuries, archaeologists have tried to unravel the mysteries of how and why certain incredible structures like the Great Pyramid at Giza, the staircase at Loretto Chapel, and Coral Castle were built.

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 golden-eyed priestess sparks myths of mystical powers and deep-rooted local folklore.

For centuries, archaeologists have tried to unravel the mysteries of how and why certain incredible structures like the Great Pyramid at Giza, the staircase at Loretto Chapel, and Coral Castle were built.

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 golden-eyed priestess sparks myths of mystical powers and deep-rooted local folklore.

A lawyer debates life and death.

Exploring video evidence and testimony of the existence and nature of UFOs.

A ghost hunter communicates with trapped spirits inside a 19th-century farmhouse; hundreds of UFOs are spotted off the coast of Florida; and a motorcyclist in India has a close call with creepy entity.

Nicholette's family hopes an intervention will save her from her out-of-control drug addiction.

Michelle tries to stop a demonic spirit; a hunter faces his own fear of child ghosts when called to help a family in Massachusetts; Richard faces a whole family of spirits in an Italian restaurant.

Psychic energy gathers when there is a life-or-death crisis; touring a psychiatric hospital that has a reputation for being haunted, a nurse describes the spirits she sees walking the halls.

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.

Ryan investigates the claim of a student who says she has seen a ghost in her dorm room.

Ryan and the team help a family whose home was once part of the underground railroad.

Dark spirits plunge their victims into a sinister supernatural realm; a home becomes haunted when two sisters open a mysterious box of letters; a malicious entity stalks a young girl; and a teen seeks protection from otherworldly forces.

Jesse grows up gender fluid in a household rife with addiction, trauma and dysfunction; after nearly losing his mother to drugs, Jesse spirals into an addiction of his own and now lives on the streets.

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.

A man discovers he is not alone while livestreaming a video game; a shadow creature stalks a police officer on an empty plane; a UFO gets dangerously close to two commercial jets; a ghostly legend shows itself in England.

Clara Harris, a 44-year-old Colombian, moves to America in the 1980s and opens her own successful dentistry practice; she has two sons with her orthodontist husband, David Harris; they seem like the perfect family, but they're not.

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.

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.

For centuries, archaeologists have tried to unravel the mysteries of how and why certain incredible structures like the Great Pyramid at Giza, the staircase at Loretto Chapel, and Coral Castle were built.

A man discovers he is not alone while livestreaming a video game; a shadow creature stalks a police officer on an empty plane; a UFO gets dangerously close to two commercial jets; a ghostly legend shows itself in England.

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.

The inside story of a huge operation by the UK's National Crime Agency to hack global crime gangs' encrypted phone network, used by thousands of criminals to organize smuggling, murder and more.

Kelly and Steve team up with the Anderson County Sheriff's Office to solve the horrific quadruple homicide of a family on Halloween; their investigation reveals a family feud, a trail of stolen cash, and a bloody shoe print left by the killer.

The inside story of a huge operation by the UK's National Crime Agency to hack global crime gangs' encrypted phone network, used by thousands of criminals to organize smuggling, murder and more.

A down-and-out waitress questions her choices.

A lonely teen encounters an unwelcome guest.

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.

A man discovers he is not alone while livestreaming a video game; a shadow creature stalks a police officer on an empty plane; a UFO gets dangerously close to two commercial jets; a ghostly legend shows itself in England.

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.

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 young family's dream home turns into a nightmare when they're terrorized by the ghost of a haggard old woman; a man discovers he's not alone after encountering an unnerving black mist and the spirit of little boy in his apartment.

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.

Paid programming.

Ryan and his team help a woman and her grandson, who have encountered a former tenant named Alfred.

When paramedic Stacy arrives at a suicide scene, she encounters an oppressive presence; paramedic Chris hears footsteps in an empty building in a school; paramedic Patrick comes across a grim reaper at an old hospital.

Krystal lives out her dream of getting married and dedicating her life to two young sons, but the effects of growing up in a dysfunctional family, along with the death of her father, turn Krystal into an alcohol, heroin, meth and fentanyl addict.

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.

Ghost hunters spend the night with an evil spirit; playgrounds for the dead; colossal creature appears near the shore of an Irish lake.

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

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

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

Part 1/2. Luton Police Station uses fixed rig and handheld cameras to provide insight into the day-to-day challenges faced by staff and officers.

Ghost hunters spend the night with an evil spirit; playgrounds for the dead; colossal creature appears near the shore of an Irish lake.

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.

Courtney's family stages an intervention in a desperate attempt to save her from her drug addiction.

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.

In response to a call to storm Area 51, ufologist Ryan Sprague joins Jennifer Marshall to investigate what sparked the viral movement and what may be hidden inside Area 51.

Courtney's family stages an intervention in a desperate attempt to save her from her drug addiction.

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.

In response to a call to storm Area 51, ufologist Ryan Sprague joins Jennifer Marshall to investigate what sparked the viral movement and what may be hidden inside Area 51.

A neglected daughter yearns for another life.

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.

Ghost hunters spend the night with an evil spirit; playgrounds for the dead; colossal creature appears near the shore of an Irish lake.

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

Jack Kenna discovers a family secret in a historic house in Massachusetts; a young teenager gets attacked in her sleep; a client faces life-threatening danger in Kansas.

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.

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

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

These are the witnesses that have been literally touched by the unknown; physical contact events that take the shape of nightmares, complete with alien examinations and inexplicable metal implants discovered inside human bodies.

Courtney's family stages an intervention in a desperate attempt to save her from her drug addiction.

Growing up, Peter excelled in everything he did, but the pressure of being perfect, coupled with a secret childhood trauma led Peter to fentanyl, and now he's smoking 1,000 times the lethal dose every day.

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 man stands in awe as he watches mysterious creatures fly over Chicago; a group of teens pay the price when they travel down a notoriously haunted road in New Jersey; ghost hunters explore an abandoned church that has a powerful demonic presence.

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.

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

In response to a call to storm Area 51, ufologist Ryan Sprague joins Jennifer Marshall to investigate what sparked the viral movement and what may be hidden inside Area 51.

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.

A man stands in awe as he watches mysterious creatures fly over Chicago; a group of teens pay the price when they travel down a notoriously haunted road in New Jersey; ghost hunters explore an abandoned church that has a powerful demonic presence.

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.

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.

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

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

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.

A golden-eyed priestess sparks myths of mystical powers and deep-rooted local folklore.