Did a fisherman capture footage of a giant sea serpent known as "Caddy?" What's the explanation for the mysterious blue and green flashing lights, witnessed by hundreds of people, in Lubbock, Texas in August of 1951? Is a centenarian monk trying to mummify himself? Tony Harris and his team of experts examine the clues and make a determination about the validity of what we're seeing.

Are reports of a strange swirling vortex with a brilliant white center in the skies over Oklahoma proof of a genuine UFO? Does a video claimed to be discovered sealed in Vatican archives, show a real case of demonic possession? What is the mysterious looking creature discovered by a woman in Russia while wading in the waters in the town of Sosnovy Bor? Do large unidentified footprints found by Alaskan wildlife experts belong to a Yeti? Tony Harris and his team of experts examine the clues and make a determination about the validity of what we're seeing.