Contact
Carl Sagan
Piece by Piece
Una verdad incómoda
The Earth Day Special
The Farthest
Wanderers
The Universe
The Reality of Me
God, the Universe and Everything Else
Target... Earth?
A Dialogue: A Conversation with Carl Sagan and Ted Turner
Star Stuff
In Search of Ancient Astronauts
The Violent Universe
Carl Sagan: A Cosmic Celebrity
The Case of the Ancient Astronauts
Who's Out There?
Together to Mars?
On the 8th Day
We Are Here: The Pale Blue Dot
Aliens Uncovered: Close Encounters
