The Universe
The Farthest
Wanderers
The Reality of Me
Carl Sagan: A Cosmic Celebrity
The Earth Day Special
A Dialogue: A Conversation with Carl Sagan and Ted Turner
God, the Universe and Everything Else
Together to Mars?
On the 8th Day
Target... Earth?
The Case of the Ancient Astronauts
Who's Out There?
In Search of Ancient Astronauts
The Violent Universe
Pale Blue Dot
