Back in Tennessee, the boys investigate a legendarily brutal prison every southerner feared - the Brushy Mountain State Penitentiary.

The crew is in the mountains of southern Washington to investigate photographic evidence of Bigfoot playing in the snow. Are the pictures genuine?

The team travels to Ohio to investigate a hog-like creature. After meeting with eyewitnesses, the crew races to capture the beast inside a steel cage trap.

Don Wildman investigates a dog with a sixth sense for danger, the harrowing tale of a drill rescue and a magazine detailing the murder of a famous model.

Deep in the Alaskan wilderness is America's toughest town: McCarthy. Locked in winter's grip, the 42 brave souls who live here battle to keep their pioneer lifestyle.

Andrew heads to Minneapolis-Saint Paul to sample Midwestern comfort food. He explores the blend of old and new that gives the Twin Cities a flavour all its own.

Andrew heads to Seattle, where the food scene is a contrast of high-tech sophistication and rugged simplicity. He is introduced to new tastes he's never experienced before.

The team investigates the Otterman who is believed to have the ability to shape-shift. Todd builds a Ring of Fire trap, while the rest of the team utilises an airboat.

Josh Gates travels to Greece to find out exactly how the mighty Minoan civilization disappeared from the ancient world.

Don Wildman investigates a mob informant who helped take down Al Capone, a jet engine used in a daring railroad experiment and an unexpected artist.

Test pilot Gordon Cooper is preparing to test a radical new landing system in a lakebed when two UFO's appear. Also, the mystery of Saturn's mega-hex.

The team investigates the Otterman who is believed to have the ability to shape-shift. Todd builds a Ring of Fire trap, while the rest of the team utilises an airboat.

Andrew discovers that Miami is a hot spot for food. He samples roasted pig brains, fresh wreckfish cheeks, and a fruit that feels like glass on the throat.

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

When Mykel and Ruth are shipwrecked on a deserted island, can they urgently find fresh water? Plus, what will the discovery of a real 'message in a bottle' bring?

Casey and Chris head to Florida in search of the loot of pirate Jose Gaspar. They leave no stone unturned as they hunt for the $30 million treasure.

A UFO crashes in Pennsylvania. Was it a secret Soviet satellite, or something far more dangerous? On Mercury, NASA finds the impossible: frozen water.

The team heads deep into the Alaskan Interior outside of Fairbanks to investigate reports of a gigantic bear-like creature known as the Northern Giant.

To help clone the extinct woolly mammoth back to life, Josh visits a biotech lab driving the project and excavates ancient bones in a Canadian mine.

Don Wildman investigates a legendary scam artist, an African lake with a hidden danger and a young girl who celebrated her birthday at the White House.

Instances of dead cattle drained of their blood and missing organs have been reported. What is the truth behind this oddity?

Christof investigates the robbery of the Isabella Stewart Gardner Museum, the largest art heist in history. Was there a connection to organized crime?

Experts analyse new evidence that could prove the Beast of Bray Road is terrorised a Wisconsin town. Plus, is the human-wolf hybrid spreading across the US?

Neil is on the brink of reopening the Motherlode mine for tourism, but a new arrival puts Neil's empire at risk. Jeremy begins a new venture to grow his family farm.

The team gear up for their first venture onto the Snake Island, where they'll face triple-digit heat and one of the world's deadliest vipers.

The crew confronts the spirits of the Old West at the Birdcage Theatre in Tombstone, Arizona where 26 people died in gun and knife fights.

When Mykel and Ruth are shipwrecked on a deserted island, can they urgently find fresh water? Plus, what will the discovery of a real 'message in a bottle' bring?

Drawn to small town Iowa by reports of aggressive shadow figures, Nick and Katrina venture to the harrowing halls of Malvern Manor for 72 hours to capture evidence.