S6 E9 | Classic British UFO, Cheshire Cat Water Monsters, and Alabama Bigfoot Growl

Did a passenger film a UFO from a plane in the 1960s?; fishermen see a frightening smile in the depths of a river, what grinning Amazonian monster did they encounter?; is a legendary beast stalking the backwoods of Alabama?; a dead English aristocrat appears in a mysterious photo, Sir Arthur Conan Doyle believed it proves ghosts are real, should you?; Tony Harris and his team of experts analyze the video evidence to find the truth.