7.1
2007
 At Sea (2007)
At Sea (2007)
5.5
2004
 America's Most Haunted Inns (2004)
America's Most Haunted Inns (2004)
7.2
2007
 Dangerous Knowledge (2007)
Dangerous Knowledge (2007)
6.5
2012
 Nuclear Nation (2012)
Nuclear Nation (2012)