Season 15

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 head to Idaho to investigate the Albion State Normal School, where dark energy from satanic graffiti is affecting its staff. During the lockdown, Jay and others are aggressively marked with strange symbols behind their ears.

Zak and the crew head to a Colorado museum where something is threatening the health of its employees. During the investigation, they uncover the property's violent history and gather disturbing evidence of a dangerous entity.

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.

GAC investigate the massive Titanic Museum in Branson, Missouri where employees believe the spirits of the 1,496 people who lost their lives on board the Titanic on April 14, 1912, have found their way to the museum dedicated to their memory.

The crew travels to Oregon to investigate the mysterious Wolf Creek Inn, a historic building riddled with aggressive negative energy, apparitions and a vampire-like creature. During the lockdown, Aaron experiences a dramatic psychological breakdown.

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.

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Zak and the crew head to Globe, Arizona, to investigate a jail and courthouse riddled with violence and mystery. The chilling lockdown reveals a trail of darkness that lingers in every inch of the strange buildings.