Catch an all-new Ghost Lab, TUESDAYS @ 10pm E/P only on Discovery Channel. dsc.discovery.com The team samples conductivity from the muddy Mississippi to see if it’s a potential source of supernatural energy. In this episode, the Klinge Brothers and the Ghost Lab team investigate alleged paranormal hotspots at the Nottoway Plantation in Louisiana and the Metro rock club in Chicago. Their mission: Determine if locations near water breed more paranormal activity.