The crew travels to a sinister ghost town near Wolf Creek, Oregon. During the investigation, Zak is overtaken by an aggressive entity, Aaron is incapacitated by a dark force, eerie figures appear and a voice warns of a demonic presence.

The crew travels to a home in Ogden, Utah (adjacent to a graveyard) to help a family plagued by serious possessions and the presence of a red-headed entity. A cleric is brought in to attempt an exorcism.

Zak and the crew continue their Civil War investigation with the Battle of Champion Hill. Zak digs deep into the historic soil, which was the site of 6,000 casualties, and follows the trail of evil extending into the surrounding forest.

The crew travels to Missouri to investigate the ominous Pythian Castle. Once plagued by torture and suicide, this historic building is infected with violent spirits who seem to mimic the living and deliver fatal premonitions.

Zak and the crew travel to the small mining town of Eureka, Nevada, to investigate reports of an aggressive spirit at a hotel as well as a mysterious underground tunnel system built by oppressed Chinese laborers.

Zak and the crew travel to Las Vegas to help a family plagued by a demonic force in their home. The man and his siblings believe the entity attached itself to their mother and caused her death.

The crew investigates an abandoned Arizona hospital where the caretaker is being choked by a dark presence. A strange conflict arises between Zak and Aaron after objects are thrown at the guys and a violent threat is captured on EVP.

The crew travels to Arizona to investigate The Slaughter House, a meatpacking plant-turned haunted attraction. Rapper Post Malone joins the lockdown and Zak is affected by dark energy, leading to a marathon of paranormal activity.