This episode explores whether ancient descriptions of unusual beings—giants, winged angels, and humanoids with elongated skulls—might represent encounters with extraterrestrial visitors rather than pure mythology. Central to the argument are elongated skulls discovered at Cahuachi, Peru, the ancient religious capital of the Nazca people, first unearthed by anthropologist Ales Hrdlicka in 1910. Ancient Astronaut theorists, including Giorgio Tsoukalos, propose these skulls reflect attempts to mimic "flesh-and-blood space travelers" who once walked among humans. The episode connects this practice to modern depictions of alien "Greys"—spindly humanoids with disproportionately large heads and almond-shaped eyes—suggesting ancient peoples witnessed such beings and deliberately deformed their children's skulls to resemble them. The theorists argue this painful ritual was too extreme to honor merely imagined deities, pointing instead to physical contact with otherworldly visitors.
Mainstream archaeologists and anthropologists offer a different explanation: cranial deformation was a widespread cultural practice documented across multiple civilizations, including the Mangbetu people of the African Congo studied by explorer Georg Schweinfurth in 1870. Scholars interpret these modifications as markers of social status, elite distinction, or even attempts to achieve higher consciousness—comparable to modern body modification and tattooing as forms of cultural expression and identity. For curious viewers, the episode compellingly raises questions about why such a painful practice became so geographically widespread, even if the extraterrestrial explanation remains speculative rather than scientifically supported.
Ħaġar Qim
Malta · Maltese Neolithic
Temple dates to 3600–3200 BC — older than Stonehenge and the Great Pyramid
Lovelock Cave
United States · Native American
Theorists argue that giant skeletons with red hair discovered at Lovelock Cave are physical evidence of a race of extraterrestrial-descended giants described in Paiute legend, with oversized jawbones suggesting individuals seven to eight feet tall. Mainstream archaeologists from the Nevada Historical Society and the University of California dated the cave's occupation from approximately 1500 BC until shortly before European contact, attributing the remains to indigenous peoples.
Majlis al Jinn Cave
Oman · Islamic
Theorists argue that the cave's name, 'meeting place of the jinn,' reflects ancient folk memory of extraterrestrial or ultra-terrestrial beings who inhabited or used underground spaces, and that jinn-like entities may have used holographic technology to appear as supernatural messengers. Mainstream geology identifies Majlis al Jinn as one of the ten largest cave chambers in the world, formed by natural karst processes, while the jinn legends are part of pre-Islamic and Islamic Arabian folklore.
Temple of Poseidon, Cape Sounion
Greece · Ancient Greek
Ancient astronaut theorists argue that Poseidon was an extraterrestrial being expelled from a mother ship who remained on Earth after forming relationships with human women, and that the Temple of Poseidon marks veneration of this alien ancestor. Mainstream history identifies the temple as a classical Greek sanctuary built in 440 BC to honor the god of the sea.