Joined by Jack Osbourne, Heather travels to Arizona and investigates the eerie remains of Vulture City, a ghost town long stalked by Gold Rush-era ghosts. However, they soon discover there may be a darker, more ancient force at work.

In the forests of Washington's Columbia River Gorge, Phil and Heather hunt a monstrous black cat with an ape-like face. Clues lead to a WW2-era nuclear facility that could be to blame, but they must find the creature before it finds them.

Heather and Phil explore North Carolina's Ocracoke Island, where locals fear the ghost of Blackbeard is lingering. Is the legendary pirate's restless spirit protecting hidden treasure, or seeking vengeance upon the living?

Phil and Heather board the USS Hornet, a haunted WWII aircraft carrier said to be crawling with spirits -- both good and evil. Exploring its shadowy decks, they confront eerie signs that the ship's sailors may still be guarding it from beyond the grave.

Phil & Heather travel to Predjama Castle, once ruled by a brutal robber baron feared for his cruelty. Exploring the vast web of caves beneath the cliffside fortress, they seek clues that an ancient god of the underworld may be haunting the castle instead.

Reports of shadowy figures and malevolent spirits from Caribbean folklore draw Phil and Heather to Trinidad. They explore a notorious plantation and an abandoned island once used as a leper colony, searching for the source of the activity

In Trinidad, Heather and Phil continue to confront terrifying claims of demonic possession and Obeah curses, tracing the sinister forces that locals say still grip the island.

Recent sightings of a massive bird and reports of missing livestock send Phil and Heather deep into western Pennsylvania. On the hunt for the legendary Thunderbird, they search for proof of the creature that has haunted legends for generations.

Phil and Heather head to Belmonte Castle in La Mancha, Spain, said to be haunted by the Spanish Boogeyman. Inside the castle, they discover surprising secrets that reveal the truth behind the terrifying legend.

The team heads to the site of the bloodiest battle ever on U.S. soil, where witnesses claim to see phantom soldiers roaming the battlefields at night, and shadow figures haunting historic buildings like the Jennie Wade House and Farnsworth Inn.