- May 5, 2017
Ancient Aliens Season 12 Episode 2 Forged by the Gods
Theorists speculate about metal artifacts that could provide physical evidence of extraterrestrials visiting Earth in the distant past; in Jacksonville, Fla. a strange metallic sphere falls from the sky; an ancient aluminum wedge baffles historians.
- June 9, 2017
Ancient Aliens Season 12 Episode 7 City of the Gods
Researchers suggest that the ancient site of Teotihuacan in central Mexico was once home to a highly advanced, perhaps extraterrestrial, civilization; excavations at Teotihuacan have unearthed discoveries out of place in the ancient world.
- September 8, 2017
Ancient Aliens Season 12 Episode 15 The Alien Disks
In China, hundreds of strange disks are discovered in a cave that appear to tell the story of an ancient extraterrestrial crash on Earth; shortly thereafter, the disks are confiscated by the Chinese government and dismissed as a hoax.
Ancient Aliens (2010)
Ancient Aliens is an American television series that premiered on April 20, 2010 on the History channel. Produced by Prometheus Entertainment, the program presents hypotheses of ancient astronauts and proposes that historical texts, archaeology and legends contain evidence of past human-extraterrestrial contact. The show has been criticized for presenting pseudoscience and pseudohistory. The series' de facto pilot was a TV special of the same name that aired on March 8, 2009. The second season began on October 28, 2010, and the third season began airing July 28, 2011. Season four premiered on February 17, 2012 but on H2 instead of the History channel. In June 2012, Giorgio A. Tsoukalos announced on Coast to Coast AM that the series has been renewed for a fifth season. Season 5 premiered on December 21, 2012.