Ancient Aliens Season 1 Episode 1 (FULL)

The pilot presents the views of author Erich von Daniken who theorized that advanced beings from another world visited primitive humans, gave them the knowledge of the solar system, concepts of engineering and mathematics, and became the basis for their religions and cultures as he claims are evidenced by ancient monuments such as the Nazca Lines, the Pyramids of Giza and the Moai statues of Easter Island.

Ancient Aliens Season 1 Episode 2 (FULL)
"The Evidence"

This episode suggests that aliens made contact with primitive humans, and cites as evidence, Indian Sanskrit texts that are suggested to describe flying machines called Vimanas; Egyptian megaliths that are said to show precision cutting work thought to be too advanced for the time; and Jewish Zohar writings that are said to describe a "manna machine" similar to chlorella algae processing of today.

Ancient Aliens Season 1 Episode 3 (FULL)
"The Visitors"

The episode proposes that alien visitations have occurred around the globe, and cites as evidence, claims that the Dogon people were given galactic knowledge by a star god; the Hopi and Zuni celebrations of Kachinas (or "gods from the sky") that are symbolized with headdress that are said to resemble modern space helmets; and that the Chinese Huangdi was a Han leader who came to Earth on a yellow dragon which is suggested to have been a metaphor for a spaceship.

Ancient Aliens Season 1 Episode 4 (FULL)
"The Mission"

This episode posits that extraterrestrials have a mission plan for Earth and mankind, and cites as evidence, Sumerian tablets that allegedly describe the Anunnaki as a race of creatures that came to Earth to mine gold; the purpose of cattle mutilations; the mile-long "band of holes" near Pisco, Peru; Egyptian hieroglyphs that are said to depict hybrid creatures that are part man/part animal; and crystal skulls and crop circles that are said to contain messages from aliens.

Ancient Aliens Season 1 Episode 5 (FULL)
"Closer Encounters"

This episode suggests that alien encounters have been documented in various historical texts, citing as evidence, the 13th century book Otia Imperialia which describes an incident in Bristol, England ascribed to UFOs; the log entries of Christopher Columbus that report lights in the sky; stories of cigar-shaped craft allegedly seen over Europe during the Black Plague; and Medieval art that supposedly depicts disc-shaped objects floating in the heavens.

Ancient Aliens Season 1 Episode 6 (FULL)
"The Return"

This episode proposes that aliens have contacted man as recently as the 20th century, citing examples such as the Battle of Los Angeles and the Roswell UFO Incident. It also looks at the modern SETI project and speculates what would happen if aliens answered back; what protocols exist to determine who would speak on behalf of mankind, and how we would communicate.