Classic British UFO, Cheshire Cat Water Monsters, and Alabama Bigfoot Growl (S06E09)

A passenger on a 1960s flight may have captured a UFO on film—what was really out there? In a remote Amazonian river, fishermen spot a terrifying grin lurking beneath the surface, hinting at a monstrous presence. Could a legendary creature be haunting the forests of Alabama? Meanwhile, a ghostly image of a deceased English aristocrat appears in an old photo—Sir Arthur Conan Doyle insisted it proves spirits exist. Tony Harris and his expert team examine the footage and photographs to uncover what’s real.