The team head to Bisbee, Arizona to investigate the one-time mining town's rough past. And, they head underground for the first time in their paranormal careers.

The team investigates Gettysburg, Pennsylvania, site of the bloodiest battle of the Civil War, and try to make contact with the souls of these fallen American soldiers.

In 1968, Hans feared possession at the hands of a powerful entity. The team travel to Waterford, Maine, to confront this dark presence.

Jack Osbourne and Katrina Weidman travel to Philadelphia to gain unprecedented access to one of the US's oldest and potentially haunted prisons.

Josh Gates traces the Vikings' westward expansion from the volcanic landscape of Iceland to a mysterious settlement in Greenland and into North America.

The investigators head to the Sierra Nevada Mountains to investigate multiple Sasquatch reports. Can they find a way to lure these elusive creatures out of hiding?

Hot on the trail of a huge feline who has been reported in the town of Paxson, Todd devises a trap, while Levi figures out a way to wirelessly trigger it.

The team heads to southern Alaska to investigate sightings of a highly temperamental Bigfoot. Todd and Rhett build a huge, electrified tepee to catch it.

The team travel around the world to Nepal in search of the infamous Yeti. They visit monasteries with Yeti relics and talk to first-hand witnesses.

In Philadelphia, Andrew feasts on a variety of unusual and traditional dishes. He has cheesesteak, shad cake and turkey neck and pig liver plus more!

Andrew visits Guatemala where he tries a variety of unusual dishes. He tucks into bull testicle ceviche and a traditional Sunday dinner of possum.

It's spring in Alaska, and the race is on for three builders trying to construct homes in the wilderness before the return of winter shuts them down.

The challenge continues as Lee organises an 18-load helicopter drop to deliver the equipment and supplies he'll need. Derek hand-crafts logs with a scriber.

A stunning French chateau plays host to the illicit affair of a literary superstar. Plus, an Irish manor is at the centre of an art heist.

An enchanting French castle is the setting for a haunting tale of jealousy. And, an act of treachery leads to bloody revenge at an Italian fort.

Paul looks for answers in a 60-year-old string of unsolved cattle mutilations across the US. He heads to a remote Nebraska farm to uncover the truth.

Paul searches for evidence that extra-terrestrials are among us. He unearths long-buried files that could lead to an alien cover-up all the way to the White House.

A bush pilot witnesses unsettling UFO activity. A former government operative reveals top-secret coordinates to an alleged alien base.

An extra-terrestrial stalker leaves a family frozen in fear outside of Juneau, Alaska. A maritime monster nearly capsizes an aircraft on Alaska's famed Lake Iliamna.

Josh explores the Tayos Cave in Ecuador, seeking a legendary set of metal plates believed to be created by an advanced ancient civilization.

Alex finally gets his chance to pick a haunted location for the team to investigate. He has a wicked plan for Dakota at an infamous Idaho prison.

Dakota takes the team to a deserted hospital in West Virginia. The property is known for brutal deaths, grisly amputations and blood-stained grounds.

Josh ventures to Argentina, where many Nazi SS officers escaped to after World War II. He uncovers secret Nazi hideouts theories about Adolf Hitler's "true" fate.