T+E

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.

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.

A wealthy CEO suffers for his sins.

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.

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.

A couple unleashes something terrifying while renovating a classic car; a pair of murderous spirits possess a family in Pennsylvania; something demonic takes over a teenage boy, forcing his parents to take drastic action.

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

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.

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.

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.

Claudia is a Mexican-American woman pursuing the American dream as she attends university; when her grandmother dies, the dark shadow she has been seeing since she was a child suddenly begins to attack her and isolate her from her friends.

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

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

The team travels to Albion, N.Y., to help a home renovator whose dream project has become a nightmare; a tale of warring wives and tragic death on the property has Grant and the team believing the home may be haunted by one of its former matriarchs.

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.

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.

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.

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.

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.

The "Cold Justice" team and the Anderson County Sheriff's Office continue their investigation into the quadruple homicide of a family of four in an attempt to finally give answers and justice to their grieving family and community.

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.

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 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.