The group heads to West Virginia for a two-part investigation at one of the most haunted buildings in America: the Trans-Allegheny Lunatic Asylum, a sprawling abandoned psychiatric hospital with a tragic history and countless reports of paranormal activity.

Josh, Phil, and Heather continue their investigation into the Trans-Allegheny Lunatic Asylum, where thousands died after disturbing medical procedures. It's said their ghosts roam its now-abandoned halls.

Phil and Jess investigate Utah's Uintah Basin, a region teeming with paranormal activity -- including numerous UFO sightings, cattle mutilations and reports of shape-shifting creatures.

Phil and Heather investigate the world's most iconic cryptid: the elusive Loch Ness Monster. Joined by actor and monster hunter Rhys Darby, they journey deep into the Scottish wilds to explore compelling new evidence beneath Loch Ness' murky waters.

Phil and Jess explore the world's most haunted forest near the site of the Dracula legend and where Josh Gates had his most terrifying experience; during a night investigation, Jess finds herself being watched by someone or something sinister.

Jess and Phil's investigation into the phenomenon of unidentified submerged objects off the coast of Catalina Island intensifies after the discovery of an extraterrestrial underwater base between the island and the mainland.

The team heads to Alaska, America's last frontier, to investigate reports of a murderous sasquatch; Phil and Jess travel deep into the wilderness and have a truly hair-raising close encounter with what locals call "The Hairy Man."

Shocking, declassified video captured by the U.S. Navy triggers Jess and Phil's investigation into mysterious, supersonic craft flying above -- and racing below -- the waters off California's Catalina Island.

In the aftermath of Japan's 2011 Fukushima nuclear disaster, citizens began reporting something truly amazing: UFOs. Phil and Jess enter a radioactive wasteland to discover the stunning truth behind these extraterrestrial encounters.

Josh joins Jess and Phil to track down a half-man, half-beast in Wisconsin.

Josh Gates sends Phil and Jess to reportedly the most haunted place in America, Mackinac Island; this remote island has experienced over 1,000 years of bloodshed, and residents report they are now plagued by terrifying paranormal activity.

Jess and Phil head to England in search of a legendary monstrous beast that's said to stalk the wilderness.

Heather and Phil continue their deep dive into Nazi occult activity in nearby Poland where they investigate Nazi strongholds that harbor terrifying secrets.

Josh, Jessica and Phil close in on the Beast of Bray Road.

Responding to recent UFO sightings, Josh Gates sends his team to New Mexico for a new investigation into the infamous, unsolved Socorro Landing Incident; using never-before-used technology and with new witnesses, Jess and Phil look to solve Socorro.

Jess and Phil dive into the mysteries of Niagara Falls. The popular honeymoon destination is also the site of a deluge of horrors.

Heather and Phil travel to the most haunted chateau in France to investigate terrifying stories of hostile ghosts linked to strange and savage murders. As they investigate, it becomes clear that the castle hosts more paranormal forces than they imagined.

Jessica Chobot and Phil Torres dive into the legend of Mothman by searching for clues in a long-sealed bunker and a top-secret Air Force base.

Phil Torres and Jessica Chobot power through camera malfunctions and emotional breakdowns in order to find an explanation of what is happening on the Island of the Dolls -- a dangerous place that locals have long avoided.

Josh Gates dives into one of America's oldest witch stories. In the Tennessee backwoods, locals report being attacked in a vast cave system. Jess and Phil go underground and uncover frightening piles of bones as well as potential human remains.

Terrifying apparitions in a Texas swamp lead Josh Gates to send his team to the notorious Big Thicket. The area is crawling with venomous snakes but what really frightens Phil and Jess are mysterious Ghost Lights that have haunted locals for generations.

Chasing Bigfoot's origin story, Phil and Jessica uncover a rash of recent sightings and bone-chilling new evidence in the Pacific Northwest. New leads about a frightening encounter send them into rocky, dangerous terrain along Mount St. Helens.

Hikers are going missing amid reports of grotesque, human-like creatures prowling Appalachia's Great Smoky Mountains. Phil and Jess venture into the unforgiving wilderness to investigate the truth behind terrifying sightings of feral people.

At the site of America's deadliest avalanche, witnesses report bizarre apparitions and sickly feelings of dread. Phil and Jess venture deep into Washington's Cascade Mountains to investigate a shocking cover-up and test a mind-bending scientific theory.

Phil and Jess continue their investigation into Utah's infamous Uintah Basin, where reports of UFO encounters have terrified locals. The team uncovers stunning new evidence when attempting to contact extraterrestrials.