The team is in Louisiana to investigate a desolate sawmill that locals call the "Mill of Death" - where claims of shadowy apparitions are linked to its tragic past.

Josh Gates sets off on an expedition to crack the mystery behind the perpetrator of the only unsolved plane hijacking in US history.

The team continues their investigation in the Tygart Valley and soon are on the hunt for the source of a mysterious "rattling chain" noise.

The Osbournes get the scoop on an extra-terrestrial hook-up. Plus, Jack pushes his parents to believe in ghost pets and interdimensional green children.

Lee is down to a crew of three as he races to finish the cabin before the lake freezes. Derek's crew must push through endless rainfall to complete the project.

Extreme building is back in Alaska. Three men risk it all to build a remote hunting cabin, an off the grid bear lodge and an island retreat.

Don Wildman unveils the story behind a novel that was supposedly written by the ghost of a legendary author. And, a painting that isn't quite what it seems.

Don Wildman uncovers a culinary mystery about a popular salad dressing. Plus, the story of a hero horse who put her life on the line to save others.

A dangerous storm threatens to shut down the operation just as Darrell and team discover gold ore in the remains of an old wreck.

Leading to one of the richest finds in Darrell's career, the team discovers ornate artefacts that indicate the location of a 16th century captain's quarters.

The Osbournes get weird with footage of an alleged zombie and the elusive Ohio Grassman. Plus, Jack turns up the volume on the HUM conspiracy theory.

The Osbournes get the scoop on an extra-terrestrial hook-up. Plus, Jack pushes his parents to believe in ghost pets and interdimensional green children.

A cryptozoologist investigates reports of a sea monster in Alaska. He reviews eyewitness accounts and examines never-before-seen video evidence.

In 1918 the SS Princess Sophia mysteriously sank near Juneau, Alaska. Experts look for answers to the shipwreck as a ghost hunter tries to contact her victims.

Reports from Utah State University lead the team members to believe Sasquatches have lived in the state for decades. Can a witness help them to catch one?

Find out more about the Bigfoot adventures of Bobo, Cliff, Matt and Ranae as they return to Ohio to discuss their highlights and answer question from fans.

Andrew explores the cuisine of Michigan's Upper Peninsula. Dishes include pork shoulder cooked underground, hearty pasties and whitefish from Lake Superior.

Andrew goes on a Southern BBQ Trail. He eats dry-aged brisket in Atlanta, liver nip dumplings in South Carolina, and raccoon hash in Georgia.

The team find links between the bloody history of Anaconda, Montana, and Gunslinger Gulch. A trek into the hills has medium Sarah fearing for everyone's safety.

Steve heads to Greeneville, Tennessee, where a decades-long haunting resulted in tragedy. With the help of local law enforcement, he uncovers the town's dark past.

The Tennessee Wraith Chasers explore the Peoria State Hospital, where over 10,000 people died, and race to reach the spirits before the building is demolished.

The team pursues the Smoke Wolves. They soon realise they are treading on dangerous ground when they stumble across a pack of dead coyotes.

Nick and Katrina spend 72 hours untangling the mysteries of Monroe Demon House. But while Katrina engages with the occult, Nick engages with a dark presence.

The 120-year-old St. Ignatius Hospital in Washington has been abandoned since 2003, but is hardly uninhabited. Nick Groff and Katrina Weidman check in.