Valentich- Pilot Fred Valentich and his light aircraft disappeared without a trace from the skies above southern Australia in 1978. Texas Blue Dogs- Since 2004 bizarre, blue-eyed and hunch backed creatures are mutilating livestock in Texas.

Livestock Mutilation - Around the world horses and cattle have been found dead, drained of blood, with organs surgically removed. An investigator studies the grisly phenomenon of recent mutilations in Colorado, examining increasingly extraordinary and extra-terrestrial suspects before coming up against evidence pointing to a disturbing government conspiracy. Curse of the Ice Mummy - Thirteen years after his discovery of a Neolithic mummy in the Alps the body of German hiker Helmut Simon is found after an extensive search - his body face down in a stream. Eerily, the position he is found in mirrors the exact position of the Mummy he found in the ice an unlucky thirteen years before. This is just the beginning - seven more premature and unexpected deaths of others physically connected to the mummy are soon discovered and the belief in the curse of the ice mummy takes hold.

Freaky Fires - In 2004, in a small village in northern Sicily, ordinary household items like televisions, couches and wardrobes suddenly begin exploding and bursting into flames, seemingly at random. The Government investigates, and even the Pope intervenes. But with no official explanation for the damaging fires, locals are left wondering if their village could be under attack from extra-terrestrial warfare or from the Devil himself. Ghost Yacht - Three friends go sailing ... and vanish without trace - their catamaran left drifting like a ghost ship 88 miles off the coast of Queensland, Australia. The disappearance of the men defies rational explanation. Aboard the boat there are no apparent signs of struggle and items appear untouched- a full cup of coffee and an open running laptop are left undisturbed. Could a UFO seen nearby on that same day in 2007 have anything to do with it?

Argentina UFO - Joaquin V Gonzalez, a small town in Argentina seems to attract UFOs. A local mayor has recorded hundreds of UFOs over 20 years. In 1995 one crashes into a nearby mountain range- local pilot Tony Galvagno and his friends locate the crash site but are barred from investigating further. In 2009, 200 witnesses see a brilliant white shining craft in the sky. Some onlookers manage to take photos of it before the town is plunged into darkness. The power outage stretches over a 120-mile area and lasts for over 12 hours. Could alien visitors really be targeting the town? And if so, why? Mothman - In 2009 a strange creature is seen in Point Pleasant, West Virginia. Witnesses describe it as 6-7 feet tall with red eyes and a giant wingspan. 50 years earlier over a hundred witnesses saw the creature in the town just before the collapse of the Silver River bridge over the Ohio - a tragedy resulting in the deaths of 46 people. Does the return of the "Mothman" mean another tragedy will beset the town? Morgellon's Disease - 15,000 people across the world suffer from a strange disease that officially does not even exist. Sufferers report horrific skin lesions, a sensation that insects are crawling under their skin, and unidentifiable multicolored fibers that sprout from their bodies. They call it Morgellon's Disease, but no one agrees what it is, where it came from and how to cure it.

Alien Rain - Sri Lanka 2012. A fireball in the sky is followed days later by a mysterious downpour of red rain. During the search for a rational explanation investigators find evidence of strange living cells with no earthly comparison. Is this the evidence of alien life that the world has been waiting for? Carolina Beach Boom - May 2009 in Cape Fear, NC, Mike Hussey is disturbed by an earth-shattering sound that rumbles the ground around him. He rushes out into the street to find his neighbors scared and confused by the mysterious noise. But this is only the start - these strange booms are still heard in the town today. What's going on? Earthquakes? Secret military maneuvers? Or something even stranger? Locals speculate alien involvement. Voynich Manuscript - An ancient document hundreds of years old but discovered in a Jesuit library centuries later, it has been described as 'the world's most mysterious manuscript.' It iss written in an unknown language that remains undeciphered, adorned with drawings of bizarre plants that don't exist on earth, and stars and planets unlike anything in the night sky. Academics are baffled. What is this mysterious manuscript? Who wrote it and what secrets does it hide?

Spontaneous Human Combustion - Oklahoma, February 2013 - a man is reduced to a pile of ashes in his own home. Bizarrely, fire investigators find no fire damage around him. Is he the latest victim of spontaneous human combustion? While investigators tackle the question, Frank Baker, demands explanations for the horrifying phenomenon that has put him through the terror of catching fire three times without any known cause. Carlos de los Santos - Pilot Carlos de los Santos is en route to Mexico City Airport, when he is suddenly surrounded by three UFOs. Carlos is terrified as the silver discs seem to disable his aircraft, then raise it to a high altitude, threatening a fatal stall. Carlos regains control when the strange objects suddenly dart off to a volcano at inconceivably high speeds, completing aerial maneuvers that were unheard of at the time. Investigation proves that Carlos was neither drunk nor drugged – and the actual 18-minute recording of his desperate Mayday call to the airport attests to his genuine panic. But it is first time testimony from a radar operator that proves beyond a doubt Carlos' plane was being "buzzed" by UFOs...

The deaths of nine Russian students who went missing in Siberia are investigated. Included: possible links to the mythical yeti.

What can explain the grisly deaths of nine students who went missing in Siberia? New investigation of declassified Soviet files reveals evidence of their horrifying ordeal, and scientists examine clues that may prove the existence of a yeti.