Zak and the crew investigate whether residual energy could be responsible for strange phenomena at an amusement park in Oregon. They then visit the historic Hotel Leger in California, where a dark presence threatens the safety of employees and guests.
Zak and the crew are taunted by shadow figures and a skinwalker at the mysterious Lewis Flats School in New Mexico. They then travel to Nevada to investigate the Washoe Club for the very last time.
Zak and the crew travel to Idaho to explore a former school haunted by its dark and deadly past. They then investigate the remains of a large stone cross in Utah said to be a dark magnet for evil.
Zak and the crew investigate demonic activity at a frightened family's suburban home. They then visit a historic San Francisco mansion with connections to the Church of Satan and the Manson family.
Zak and the crew travel to California to confront a sinister energy darkening the home of a grieving family. They then investigate a haunted mining camp in Utah.
Zak and the crew investigate intense paranormal activity at Freakling Bros. Trilogy of Terror, an infamous haunted attraction in Las Vegas. They then visit the March Field Air Museum, where employees have have felt spirits move through their bodies.