Nick Groff and Katrina Weidman have 72 hours to determine if this is evidence of a … 'Paranormal Lockdown' Stars Nick Groff and Katrina Weidman Talk Scariest Hauntings | The View An unknown spirit lurks in the empty hallways of Ohio's Higginsport School. Trivia This episode was originally made in the UK for the Quest Red TV channel and was the 2nd episode of 'Paranormal Lockdown UK' and aired as part of an extended Season 3 in the US. Paranormal Lockdown brings together Nick Groff from Ghost Adventures and Katrina Weidmann from Paranormal State as they spend 72 hours completely locked down in some of the most haunted places in America. The complete guide by MSN. Watch Paranormal Lockdown season 3 full episodes. Click here and start watching the full season in seconds.