Zak and the guys look back on their investigation of Kay's Hollow, a former monument plagued by dark rituals and the spirits of twisted cult members.

Zak and the guys look back at their investigation of San Haven Sanatorium, a once-sacred land infused with death, despair and a dark energy that overcomes all who step onto the property.

Zak and the guys look back at their investigation of the Domes, an Arizona landmark plagued by dark rituals and evil entities. The crew suspects supernatural interference when they simultaneously experience technical difficulties during the screening.

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The guys look back at their investigation of the Westerfeld House.

Sometimes little girls are not made of sugar and spice and everything nice. Zak and the guys look back at their investigations the Sallie House in Atchison, Kansas, a place infested with a demonic spirit pretending to be a little girl.

Zak and the guys share laughs as they revisit their investigation of the Stone Lion Inn, which at the time was no fun and games. Not only were they surrounded by poltergeist activity, they captured one of their most incredible pieces of audio evidence.

Zak and the guys revisit their intense investigation of a mountaintop campsite in Utah where a ghastly hostage incident took place in 1997. Many believe hellhounds and dark entities bring out the worst in those who dare to tread its cursed grounds.

For the first time ever, Zak discusses the most terrifying moment of his life that occurred during the crew's investigation of two Civil War-era buildings which have been hot spots for anguish and blood. To this day, Zak cannot shake his fear.

Zak and the rest of the team fight against a generation demon and save the haunted family’s soul.

Zak and the guys relive their emotionally charged attempt to bring closure to a grieving mother who lost her son to suicide. During the crew's investigation a psychic medium confirms suspicions there may also be a malevolent presence in the home.

The crew digs deeper into their investigation of the Reseda House of Evil.

Zak and the guys relive the spine-tingling events from their controversial investigation of the infamous Annabelle doll. This allegedly demonic doll's history is so terrifying it inspired a horror movie franchise.