When astronaut Leroy Chao's high-risk spacewalk is interrupted by bright lights flying past, it sparks a major investigation. Could alien life forms be to blame?
The Viking Lander may have found life on Mars. Meanwhile, how can a starship be spotted in the Aurora Borealis? And what exactly are NASA's mysterious Moon Pigeons?
Andrew visits West Virginia, where he eats fresh deer organs after a hunt. Plus, he samples New Appalachian cuisine and helps out at a road-kill cookoff.
Andrew heads to Charleston for a taste of the true flavour of South Carolina. He explores the foods and cooking methods that make the cuisine in this city so unique.
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.
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.
The team resurrects Hans Holzer's case file on the Morris-Jumel Mansion in New York and investigate reports of a shadowy presence lurking in the historic home.
Paul investigates evil shapeshifters known as skinwalkers. He tracks these mythical beasts from the heart of the Navajo Nation to the infamous Skinwalker Ranch.
Nick and Katrina explore uncharted territory in the haunted Old Chatham County Jail in Savannah, and are hit by phantom noises in their 72-hour confinement.