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.

Powerful spirits are said to haunt Winchester's historic Royal Oak Pub and its owner. Nick Groff and Katrina Weidman try to investigate why the spirits are unable to rest in peace.

Nick Groff & Katrina Weidman investigate Shepton Mallet, a former prison located in Somerset, England

A Lincolnshire family hit by decades of hauntings calls Nick Groff and Katrina Weidman for help. However, during the investigation in Skegness, the activity is traced to an unexpected origin

Nick and Katrina submerge themselves among the spirits of West Virginia's Old Sweet Springs Resort. What lurks beneath the surface at this once-idyllic retreat?

Ghost hunters Nick Groff and Katrina Weidman visit Kentucky's Jim Beam Distillery, exploring employee claims that bourbon is not the only spirit locked inside its huge warehouse.

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.

Nick Groff and Katrina Weidman immerse themselves in the vast Drakelow Tunnels, a former top secret underground military complex beneath Kingsford Country Park north of Kidderminster, Worcestershire. They investigate the stories of shadowed figures and dark entities that lurk underground.

To help the new owner of the Abandoned Park Hotel, Nick and Katrina explore the claims of ghostly activity and echoes of the once-luxurious property’s past.

Nick Groff and Katrina Weidman visit Wildwood Sanitorium, New York. After its conversion into apartments, tenants have reported an unnerving male presence and furniture being rearranged.

In the season two premiere, Nick and Katrina spend 72 hours for their lockdown at Indiana's most haunted house on Monroe Street, where they unearth skeletal remains in the crawlspace during their investigation, which is cause for them to notify the local police.

Nick and Katrina investigate the abandoned and haunted Trans-Allegheny Lunatic Asylum in Weston, West Virginia. What Nick and Katrina capture on their third night of confinement can only be described as groundbreaking and completely terrifying.

Nick Groff and Katrina Weidman arrive in Cleveland, Ohio to investigate a Victorian mansion’s haunted secrets.  Over the course of their 72-hour investigation, Nick and Katrina capture unnerving voices pleading for help.

Drawn to small town Iowa by reports of aggressive shadow figures, Nick and Katrina venture to the harrowing halls of Malvern Manor.

When the Anderson Hotel in Lawrenceburg, Kentucky closed its doors, not everyone checked out.  Over their 72-hour confinement, Nick and Katrina watch helplessly as their cameraman is savagely bitten.

Nick and Katrina head to Kentucky for their 72-hour lockdown inside the infamous Waverly Hills Sanatorium, a former tuberculosis hospital that's one of the most paranormally active locations in the country. They investigate the sightings of the legendary shadow figures and hauntings in the "body chute", a 150-meter tunnel where bodies were dumped.

Nick and Katrina head to New Orleans to investigate the murder/suicide surrounding the small house on Rampart Street. It involves the relationship between Zack and Addie who came together during hurricane Katrina. After they survive the storm and chaos, things go terribly wrong with Zack killing Addie and then taking his own life.

A house in Hinsdale, New York draws Nick and Katrina to investigate its demonic past, and Nick is caught in a psychological war against good and evil.

Nick and Katrina delve into uncharted territory in a haunted jail in Savannah. Riddled by phantom noises, they suddenly find that they are not the only ones locked in the Old Chatham County Jail.

When Nick and Katrina arrive to investigate residual hauntings inside the long-shuttered Randolph County Infirmary in Winchester, Indiana, they are alarmed to discover not every resident has left.

The White Hill mansion in Fieldsboro, N.J., may contain visual evidence of a child in the attic, but its alleged history as a mob hangout have Nick and Katrina questioning if all the spirits they encounter are that innocent.

Nick and Katrina get locked down in the St. Ignatius Hospital in Colfax, Washington. Built in 1893 by the Sisters of Providence, this former facility is currently a decrepit building filled with the spirits of patients who died from the flu epidemic that swept through the state in the late 1900s.