Overview: The Prison Inn Christina stays overnight in a hotel in Ottawa, Ontario, converted from a notorious prison on the very night (Feb. 11) a man was hanged in his cell. Using the latest hi-tech ghost hunting equipment, she investigates. Seeing-Ghost Dogs Araya goes with a dog on a ghost hunt in North Carolina. Mystery Lab Doubting Dave shows how to see your very own aura. V-File Why do black holes swallow all that is near them? (Valentina Aracil, 11 years - Mar-del-Plata Argentina)