Don Wildman investigates a guardian ghost, a piece of debris from a commercial plane that was bombed out of the sky, and the Roswell crash.

Don investigates Jayne Mansfield's death, an interstellar object believed to be a UFO and a serial killer who preyed on lovelorn women in the 1900s.

A terrified mother calls on Steve and Amy to investigate vicious paranormal activity in Ohio. Amy encounters mutilated entities and detects a dangerous dead person.

A dark entity has reportedly taken refuge in an abandoned schoolhouse. The owners call on Amy, Adam and Chip to expel this scary entity.

The guys are in Venice to scope out Poveglia Island. The place was used as a plague quarantine station and psychiatric hospital but is now banned to tourists.

A team of outdoorsmen are taking on the challenge of exploring the Alaska Triangle to uncover proof of the cryptic creatures thought to be living there.

The Ghost Lab team investigates the ghostly goings on at the Shanley Hotel, which is believed to be haunted by its former owner.

The Klinge brothers investigate the grounds of an abandoned amusement park with a deadly history. Are the children who died here still haunting the fun park?

The Klinge brothers investigate the notorious West Virginia Penitentiary; are long dead prisoners still haunting its cells? Plus, an Ohio home is haunted.

The Klinge brothers explore the Montana Prison; are the men who died in this brutal gaol still here? Plus, in Tennessee a couple fears a poltergeist is after their son.

The brothers investigate paranormal activity in an Iowan farmhouse where an axe murderer killed eight people. Plus, is the Million Dollar Bowling Alley haunted?

Amy and Adam head to Tennessee to investigate Hales Bar Dam, a location supposedly cursed by a warlord. The current owner fears an evil entity is out for revenge.

Paranormal investigators Amy Bruni and Adam Berry visit a Virginian plantation. Has an evil overseer who died in the Civil War returned from the grave?

Amy Bruni and Adam Berry visit Waverly Hills Sanatorium in Louisville, Kentucky. This dark place is considered one of the most haunted locations in America.

Amy and Adam investigate alleged violent spiritual activity in one of the oldest homes on Cape Cod. And, they unveil a never-before-seen paranormal experiment.

Amy and Adam investigate an Iowa house where a family was brutally murdered by an unknown assailant in 1912. They fear the killer's spirit haunts the home.

Images of Mercury reveal massive spider-like formations on its surface. Is it an odd geological formation - or something much more ominous?

How did pictures from the Hubble telescope make the comet of the century look like an alien spacecraft? Has earth already been invaded by alien organisms?

What are the mysterious trails on the lunar surface near the Apollo landing sites? Does a strange space object spell disaster for the crew of the space shuttle?

Something in space is attacking the brains of our astronauts. What is it? Should NASA be worried about the sudden appearance of so-called space fireflies?

An astronaut on a spacewalk begins to drown. How could this alarming event happen? Plus, have NASA discovered an asteroid that's been converted into a spacecraft?

Hans Holzer had a lifelong obsession with Rockland County, New York. Half a century later, the team try to decode the region's rampant paranormal activity.

The team are in New York to investigate one of Hans Holzer's most famous cases, the Old Merchant's House. The property has a dark and scandalous history.

Paranormal investigator Zak Bagans and his team are at the Old Remington Arms factory in Connecticut. Will they uncover a spooky spirit?

Ominous sounds from the skies could be a sign of the impending apocalypse. Plus, drivers are frightened by phantom headlights and ghostly hitchhikers.