Nick and Katrina submerge themselves among the spirits of West Virginia's Old Sweet Springs Resort to see what lurks beneath the surface of the once-idyllic retreat.
Nick and Katrina go to Wildwood Sanitarium; after its conversion into apartments, tenants report an unnerving male presence and furniture being rearranged.
An unknown spirit lurks in the empty hallways of Ohio's Higginsport School; evidence points to darker haunting caused by recent deaths on the property.
Nick and Katrina use high-tech equipment to face down the dark spirits in one of America's most notorious haunted hotspots - Bobby Mackey's Music World.
After Nick and Katrina found human bones in their first lockdown at the Monroe House, they thought the case was closed; now they return to explore further.
Nick and Katrina are in the historic Jim Beam Distillery, exploring employee claims that bourbon is not the only spirit locked inside its huge warehouse.
A threatening presence brings the construction on the Beattie Mansion to a standstill; Nick and Katrina use cutting edge experiments to lure out the ominous spirits.
Nick and Katrina visit a historic manor in Middleboro, Mass., to determine if it's unsafe for tourists; Katrina investigates hauntings beyond the house; the paranormal activity hits too close to home for Nick.
The team is called to Ohio to help a bereft mother identify the dark energy forcing her family to flee their home; Nick gets caught in a psychological battle between good and evil.
Statler City Hotel
S2 E7
In their largest investigation to date, Nick and Katrina spend 72 hours exploring the Statler City Hotel in Buffalo, N.Y., and discover that the ghostly remains of the hotel's sordid underground history may have no intention of staying buried.
Rampart St Murder House
S2 E8
A gruesome 2006 murder and subsequent suicide in New Orleans is revisited.
Malvern and Franklin Unlocked
S2 E9
Drawn to small town Iowa by reports of aggressive shadow figures, Nick and Katrina venture to the harrowing halls of Malvern Manor to capture evidence of the fearsome phenomenon.
Rampart St Murder House & Randolph County Infirmary Unlocked
S2 E10
On the 10th anniversary of the grisly death of Addie Hall by her boyfriend Zack Bowen, Nick and Katrina return to the scene of the crime in New Orleans to find what spirits still remain.
Katrina Weidman and Nick Groff launch a special investigation of the Black Monk House in Yorkshire, England, feared for its violent poltergeist activity; Groff and Weidman plan to stay in the house for 100 hours.
When Nick and Katrina arrive to investigate residual hauntings inside the long-shuttered Randolph County Infirmary in Winchester, Ind., they are alarmed to discover that there are still residents in the building.