The team face the horror of their childhood nightmares, Minnesota's most-notorious sanatorium. They must find a lot of courage to confront the terror inside.

The guys go to Montego Bay, Jamaica exploring an old plantation. Rumoured to be haunted by the infamous White Witch of Rose Hall, it has a history of murder and voodoo.

Josh ventures to Australia's island state of Tasmania. He investigates sightings of the supposedly extinct Thylacine, also known as the Tasmanian Tiger.

The team travel to Nicholas County to investigate a large creature called "The Yahoo." The team attempts to capture it inside of a giant log-fall trap.

We'll explore a conspiracy that helped three inmates escape the dungeon of Alcatraz, and discover the remnants of a mysterious military outpost linked to Abraham Lincoln.

Creig's camp is stunned after a bear attack, high winds wreak havoc and cause delays at Tom's build and Rich goes underwater to save his dock.

Creig's build struggles with the emotional scars of the bear mauling. Plus, Tom's surprise from the sky shifts the build into a new gear.

Don Wildman examines a newspaper article that saved a famous politician from financial ruin. And, the story of a lifesaving horse cart from the Civil War.

Don Wildman examines a F8 Crusader jet that was at the centre of a death-defying flight. Plus, the story of a baseball player turned spy.

Josh Gates explores legendary places of protection, from Pablo Escobar's secret Colombian hideaway to a floating kingdom on Peru's Lake Titicaca.

Josh visits three sites where the journey is the destination in Bolivia, French Guiana and Turkey.

Josh investigates the mystery of the crystal skulls in Belize, Spain and Scotland.

Josh explores three iconic monuments in New York, Istanbul and Honolulu.

The truth behind America's secret bunkers - from backyard boxes to government mini-cities. Underground bunkers have featured in war planning since the dawn of time.

We'll explore a conspiracy that helped three inmates escape the dungeon of Alcatraz, and discover the remnants of a mysterious military outpost linked to Abraham Lincoln.

Is a Sasquatch colony terrorising the residents of a remote island? And, could decades of UFO sightings suggest that aliens are working with the US military?

A sonar recording may prove that a prehistoric monster stalks the seas around Kodiak Island. Researchers investigate the disappearance of thousands of airplanes.

The researchers make a major breakthrough whilst investigating several Sasquatch sightings in central Oklahoma. Have they finally found Bigfoot DNA?

The mayor of a small town in Louisiana invites the Bigfoot team to investigate unusual activity in his community. Can they lure the beast out of hiding?

Andrew cruises up America's most scenic highway. He goes hagfish fishing, eats the reproductive organs of sea urchins and forages for molluscs.

Andrew follows Mark Twain's path down the Mississippi River for a taste of Americana. He tries frog legs, hunts wood duck and samples fish ribs.

Josh Gates explores five legendary locations where fight and flight were the only options. Places include the Berlin Wall, and a prison in Arizona.

Steve ventures to Malvern, Iowa, where a little girl's ghost haunts a small farming village. His search for answers leads him and his crew to their most evil haunting yet.

The TWC visit one of the oldest prisons in the Midwest, seeking to banish the spirits of two sinister child killers infesting its ghostly cellblocks.

After obtaining a video of a gigantic creature, AIMS travels to Grafton to investigate the "Headless Horror". Can the team capture this monster?

The team is in Ohio to help a mother identify the dark energy forcing her family to flee their home - and find chilling evidence about the spirit's evil intentions.