Nick and Katrina head to Massachusetts to investigate a colonial estate's tragic history. But for Nick, the paranormal activity hits too close to home.

Nick and Katrina unlock the dark secrets of HMS Shrewsbury Prison in England, exploring 200 years of executions, anger and tragedy - and discovering new threats.

While building their trap, Willy and Wild Bill hear a terrifying roar. Using Trapper's personal journal, the team devises an ingenious way to get footprints.

After a tragic event on their way to a Guarani village, the team secures vital information from the village elders about a special stone hidden near "The Demon Falls".

Experts investigate reports of a secret alien base deep inside Alaska's highest mountain. Video evidence suggests extra-terrestrial activity in Fairbanks.

Experts examine whether an interdimensional portal in the Alaska Triangle led to the disappearance of an aeroplane carrying 44 military personnel in 1950.

Josh concludes his investigation into the mysterious Maya city of El Mirador, including the possible burial of the Snake Kings.

Josh investigates the theft of one of the most iconic pieces of Hollywood memorabilia: the ruby slippers worn by Judy Garland in The Wizard of Oz.

Experts investigate evidence suggesting that one of the world's most elusive figures, the Yeti, lives in America and may have an otherworldly source.

Experts analyse new evidence that could prove the legendary bloodsucking beast known as Chupacabra is real, and that there are two versions of the creature!

The treasure hunters make a new discovery, and a run-in with a jaguar leads to another revelation, but the new path has tragic consequences for Captain Keith.

After a tragic event on their way to a Guarani village, the team secures vital information from the village elders about a special stone hidden near "The Demon Falls".

Neil is set to reopen the Motherlode mine - will a new arrival risk his empire? Jeremy starts a new venture, and an unlikely bond forms with two rivals.

Neil defies both nature and locals by developing his mine tour. But when the town discovers his secret construction project, McCarthy draws a line in the sand.

The Hubble Telescope spots thousands of unknown objects travelling faster than light. Are we being watched? Or could we ourselves be aliens from another world?

A planet shows evidence of an Earth-like atmosphere, while a mysterious glowing light suggests the impossible: an atmosphere on the Moon.

Paul treks deep into the woods of the Midwest in search of Bigfoot. He cuts through hoaxes and misinformation to uncover ground-breaking evidence.

Paul investigates a surge in demonic activity in America that is overwhelming the Catholic Church. He follows leads from Gary, Indiana, to Mineral Wells, Texas.

Nick and Katrina are at New Jersey's White Hill Mansion. While gathering evidence of a child in the attic, the mansion's history as a mob hangout raises concerns.

A 19th-century prison hides a chilling secret within its walls. A sealed door haunts a British museum and residents from the past roam a historic village.

From a Nevada motel with a clown theme to a Maine movie theatre where the horror lurks in the aisles, historians and witness recount tales of horror.

Jeff learns the grave the team found is related to a morbid tradition dating back to the settlers that moved to the Tygart Valley hundreds of years ago.

Steve heads to Atchison, Kansas, to examine an angry presence terrorising a brother and sister. Helped by a historian and a clairvoyant, he unearths dark family secrets.

The TWC is called in to investigate famous, forgotten Old Crow Distillery. Reports of paranormal activity on the grounds have called for drastic measures.