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Ancient Aliens Debunked: Nazca Lines

       History
The Nazca Lines of Peru have been an important part of the Ancient Astronaut theory since its beginning. Originally Von Daniken claimed that the lines were kind of a UFO runway, or a type of alien airport, where the alien craft landed and took off. The idea that it was an airport makes no logical sense, and the symbols and rituals which were a huge part of the Nazcan culture more than explain the so called Nazca lines.
Series: Ancient Aliens

Are We Alone

   2011    Science
Aliens almost certainly do exist. So why haven't we yet met E.T.? It turns out we're only just developing instruments powerful enough to scan for them, and science sophisticated enough to know where to look. As a result, race is on to find the first intelligent aliens. But what would they look like, and how would they interact with us if we met? The answers may come to us sooner than we imagine, for one leading astronomer believes she may already have heard a hint of their first efforts to communicate
Series: Through the Wormhole

Secrets of the Space Probes

   2010    Science
They've discovered water on other planets, and snatched the actual building blocks of life from a comet's tail. But can space probes find a new Earth...and even make contact with alien life? In the 21st century, space probes are photographing, drilling and even sniffing new worlds in the quest for life, and scanning thousands of distant suns trying to detect Earth-like planets. It's only a matter of time before space probes unlock the secrets to extra-terrestrial life and the universe itself.
Series: The Universe

Alien Galaxies

   2007    Science
Our galaxy is one of hundreds of billions in the universe. View of universe through the Hubble telescope and go back almost all the way to the Big Bang.
Series: The Universe

The Outer Planets

   2007    Science
This episode details outer lying planets and their moons. Included will be Uranus, Neptune, and Pluto. Using CGI, we will also see what alien life might look like on other worlds.
Series: The Universe
Living Universe
Living Universe

   2018    Technology
It Was Fifty Years Ago Today
It Was Fifty Years Ago Today

   2017    Art
The Big Conn
The Big Conn

   2022    Culture
The Beatles: Get Back
The Beatles: Get Back

   2021    Art
Clash of the Gods
Clash of the Gods

   2009    History
Frozen Planet
Frozen Planet

   2011    Nature
Neanderthal
Neanderthal

      History
The Cell
The Cell

      Science