An exploration of strange and inexplicable mysteries; contributions from scientists, historians and witnesses as they seek to shed light on how the impossible can happen.

The UnXplained

Texts, archaeology and legend contain evidence of past human-extraterrestrial contact.

Ancient Aliens

Experts analyze paranormal videos from around the world, breaking down the footage captured by onlookers and offering insights; eyewitnesses give firsthand accounts of strange phenomena.

Paranormal Caught on Camera

Adventurer Josh Gates, scientist Phil Torres and paranormal researcher Jessica Chobot investigate reports of supernatural encounters, mysterious creatures and extraterrestrial phenomena.

Expedition X

Spacecraft Ark One encounters a catastrophic event on a mission to secure the survival of the human race; the remaining crew must survive with a lack of life-sustaining supplies, loss of leadership, and over a year until they reach the target planet.

The Ark

Special compilation of episodes from "The UnXplained" explores the world's most fascinating, strange and inexplicable mysteries.

The UnXplained Special Presentation

The residents of a small town search for a way out when unknown forces keep them from leaving.

From

Maggie and Negan travel into a post-apocalyptic Manhattan long ago cut off from the mainland; the crumbling city is filled with the dead and denizens who have made New York City their own world full of anarchy, danger, beauty and terror.

The Walking Dead: Dead City

Jack faces horrifying family history and serial killers from the beyond in an Antipodean paranormal investigation.

Jack Osbourne's Buried Bloodlines

A paramedic uses his telepathic powers to help solve crimes for the Integrated Investigative Bureau.

The Listener

People relive their harrowing encounters with the supernatural.

Paranormal Survivor

The continued search for evidence of the existence of Megalodon, a prehistoric shark thought to be long extinct.

Megalodon: The New Evidence

In near-future California, high-school senior Aisha learns a dark secret about herself and goes from dreams of graduation to running for her life.

Don't Look Deeper

Renowned American medium Chris Fleming and Scotland's Gail Porter lead an expert paranormal team to investigate the chilling crimes, supernatural sightings and terrifying stories across one of the most haunted countries on earth: Scotland.

Haunted Scotland

The world's most haunted house is at 1600 Pennsylvania Avenue, where two grieving first ladies may have unwittingly invited evil into their temporary home. This spirit could still be tormenting America's presidents, their families and their advisors.

Demon in the White House

George Takei takes a deep dive into some of the most bizarre and sensational unsolved mysteries in world history.

True Terror With George Takei

An experimental potion mutates Dr. Alec Holland into Swamp Thing, a part-man/part-plant superhero.

Swamp Thing

Experts investigate mysterious interferences and break down the meaning behind these puzzling signals.

Phantom Signals

Leading ghost hunters and mediums re-live their encounters with spirits, demons and other paranormal entities; featuring interviews, recreations and recordings of the events.

Haunted Case Files

Celebrities tell stories about coming face to face with unexplained phenomena.

Famously Afraid

To protect a magic talisman from being used for evil, a teenage boy named Billy Batson is given the power to become an adult superhero, Captain Marvel.

Adventures of Captain Marvel

Investigative journalist Paul Beban uses his skills to investigate some of the world's greatest paranormal mysteries.

Paranormal Declassified

Suspected paranormal activity is witnessed in person and caught on camera.

Paranormal: Captured

Jack and Kelly Osbourne board the infamously haunted Queen Mary for a terrifying three-day investigation.

Jack and Kelly Osbourne: Night of Terror

Alien orphans pass as Earth teenagers in Roswell, N.M.

Roswell

With a habitat described as the Pacific Northwest of the East and a history of encounters stretching back to the earliest inhabitants, West Virginia might be the perfect place to find Big Foot.

Sasquatch Unearthed: Mountain State Monsters

Sarah Connor tries to stop machines that are out to get her son, John.

Terminator: The Sarah Connor Chronicles

An alien arrives on Earth at a turning point in human evolution and must learn what it means to become human, even as he fights for the survival of his species.

The Man Who Fell to Earth

Maddie is a teen girl stuck in the afterlife investigating her own mysterious disappearance; she goes on a crime-solving journey as she adjusts to school in the afterlife, but the closer she gets to the truth, the more secrets and lies she discovers.

School Spirits

Reliving Alicia's best moments with a collection of iconic episodes from "Fear the Walking Dead."

Fear the Walking Dead: Best of Alicia

Dalen Spratt, Juwan Mass and Marcus Harvey respond to pleas from families experiencing paranormal activity in their homes; they travel across the country embedding themselves with different families for weekend slumber parties.

Ghost Brothers: Haunted Houseguests

Three teenagers are shrunk by an evil scientist and escape in miniature form.

Dr. Shrinker

Individuals take on new personas for each new assignment.

Dollhouse

Examining documentation of paranormal experiences.

Believers

Documentary in which whistleblowers and experts claim to bring viewers face-to-face with extraterrestrial visitors and their message for humanity.

Close Encounters of the Fifth Kind: Contact Has Begun

Delving deep into vampires, goblins, ghosts and ghouls and whether they are real or mere legend.

Monster Horror Documentary Series

Stalwart officers from two spacefaring groups -- Starfleet Command and the Bajoran Militia -- defend a 24th-century space station coveted by hostile aliens for its strategic location at the mouth of a wormhole leading to the far reaches of space.

Star Trek: Deep Space Nine

The history and lore of the scariest places on the planet, from gilded theaters to cursed ships manned by skeleton crews.

Most Terrifying Places

A skeptical psychologist joins a Catholic priest-in-training and a blue collar contractor as they investigate the church's backlog of unexplained mysteries.

Evil

Homicide detectives Christian Walker and Deena Pilgrim investigate cases involving superhuman powers, but their efforts are fraught with trouble due in part to Christian's preoccupation with having his own powers ripped away from him.