Nick and Katrina head to Massachusetts to investigate a colonial estate's tragic history. But for Nick, the paranormal activity hits too close to home. Jakso 1 Kausi 2 Vuosi 2015

Nick and Katrina head to Massachusetts to investigate a colonial estate's tragic history. But for Nick, the paranormal activity hits too close to home. Jakso 1 Kausi 2 Vuosi 2015

Nick and Katrina unlock the dark secrets of HMS Shrewsbury Prison in England, exploring 200 years of executions, anger and tragedy - and discovering new threats. Jakso 2 Kausi 2 Vuosi 2015

Nick and Katrina unlock the dark secrets of HMS Shrewsbury Prison in England, exploring 200 years of executions, anger and tragedy - and discovering new threats. Jakso 2 Kausi 2 Vuosi 2015

Nick and Katrina spend 72 hours untangling the mysteries of Monroe Demon House. But while Katrina engages with the occult, Nick engages with a dark presence. Jakso 3 Kausi 2 Vuosi 2015

Nick and Katrina spend 72 hours untangling the mysteries of Monroe Demon House. But while Katrina engages with the occult, Nick engages with a dark presence. Jakso 3 Kausi 2 Vuosi 2015

The 120-year-old St. Ignatius Hospital in Washington has been abandoned since 2003, but is hardly uninhabited. Nick Groff and Katrina Weidman check in. Jakso 4 Kausi 2 Vuosi 2015

The 120-year-old St. Ignatius Hospital in Washington has been abandoned since 2003, but is hardly uninhabited. Nick Groff and Katrina Weidman check in. Jakso 4 Kausi 2 Vuosi 2015

Drawn to small town Iowa by reports of aggressive shadow figures, Nick and Katrina venture to the harrowing halls of Malvern Manor for 72 hours to capture evidence. Jakso 5 Kausi 2 Vuosi 2015

Drawn to small town Iowa by reports of aggressive shadow figures, Nick and Katrina venture to the harrowing halls of Malvern Manor for 72 hours to capture evidence. Jakso 5 Kausi 2 Vuosi 2015

The team seeks out the elusive shadow figures lurking in the Waverly Hills Sanatorium in Kentucky. They use high-tech kit to catch shocking new paranormal evidence. Jakso 6 Kausi 2 Vuosi 2015

The team seeks out the elusive shadow figures lurking in the Waverly Hills Sanatorium in Kentucky. They use high-tech kit to catch shocking new paranormal evidence. Jakso 6 Kausi 2 Vuosi 2015

The team is in Ohio to help a mother identify the dark energy forcing her family to flee their home - and find chilling evidence about the spirit's evil intentions. Jakso 7 Kausi 2 Vuosi 2015

The team is in Ohio to help a mother identify the dark energy forcing her family to flee their home - and find chilling evidence about the spirit's evil intentions. Jakso 7 Kausi 2 Vuosi 2015

In their biggest investigation yet, Nick and Katrina spend 72 hours exploring the Statler City Hotel in Buffalo, NY - and uncover its sordid underground history. Jakso 8 Kausi 2 Vuosi 2015

In their biggest investigation yet, Nick and Katrina spend 72 hours exploring the Statler City Hotel in Buffalo, NY - and uncover its sordid underground history. Jakso 8 Kausi 2 Vuosi 2015

Nick and Katrina are at New Jersey's White Hill Mansion. While gathering evidence of a child in the attic, the mansion's history as a mob hangout raises concerns. Jakso 9 Kausi 2 Vuosi 2015

Nick and Katrina are at New Jersey's White Hill Mansion. While gathering evidence of a child in the attic, the mansion's history as a mob hangout raises concerns. Jakso 9 Kausi 2 Vuosi 2015