Expedition X, Chateau of Horror

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.

The team heads to Arkansas, where a legendary swamp monster has terrorized the small, rural town of Fouke for over a century. With the help of the local mayor, Heather and Phil recruit the entire population to outflank the beast and solve the mystery.

Phil and Heather journey to the Czech Republic to investigate a castle reportedly built over a literal Nazi portal to hell. Through scientific and paranormal experiments, the team seeks proof of sinister activity beneath the castle's chapel.

Heather and Phil continue their deep dive into Nazi occult activity in nearby Poland, where they investigate Nazi strongholds that harbour terrifying secrets. Their search suddenly leads them to a man-made network of tunnels hiding supernatural relics.

Heather and Phil travel to the French countryside to track down werewolves that have terrorized the locals for centuries. As their investigation deepens, they must figure out if this beast is supernatural or an elusive wolf undiscovered by man.

Heather and Phil travel to the ancient Mayan city of Xunantunich in search of a spirit named the Stone Lady. But these aged ruins carry more threats besides vengeful spirits -- poisonous snakes, scorpions, and tunnels on the verge of collapse up the ante.

In part two of this investigation, Phil and Heather descend deep into the Mayan underworld to explore a vast subterranean cave believed to be the realm of menacing, and ancient spirits.

Heather and Phil head to Tennessee's Brushy Mountain Penitentiary to investigate terrifying reports of possession and confront the violent, powerful, and hostile forces lurking in its remains.