The Unexplained Files (2013)

S2E2 Peruvian Alien Skull & Baltic Sea UFO

In Peru, a small skeleton poses a mystery that defies medical analysis. Could this be a crucial link in human evolution, or does it hint at contact with extraterrestrial beings? Meanwhile, in the Baltic Sea, marine archaeologists uncover a massive disc-shaped object on the ocean floor, measuring twice the size of a football field.