This is the famous episode on nuclear war in which Dr. Sagan argues that our responsibility for survival is owed not just to ourselves, but also to the cosmos, ancient and vast, from which we spring.

Add this to your queue
Added: Thu Mar 19 02:50:52 UTC 2009
Air date: Sun Dec 21 00:00:00 UTC 1980
Duration: 1:02:01
Rating: 4.3 / 5.0
Closed captions available.

Are there alien intelligences? How could we communicate with them? The answers to these questions take us to Egypt to decode ancient hieroglyphics, and to the largest radio telescope on Earth.

Add this to your queue
Added: Thu Mar 19 02:50:50 UTC 2009
Air date: Sun Dec 14 00:00:00 UTC 1980
Duration: 1:00:45
Rating: 4.0 / 5.0
Closed captions available.

The brain is the focus of this fascinating portion of our journey as Dr. Sagan examines another of the intelligent creatures with whom we share the planet Earth — whales.

Add this to your queue
Added: Thu Mar 19 02:50:51 UTC 2009
Air date: Sun Dec 07 00:00:00 UTC 1980
Duration: 58:24
Rating: 4.2 / 5.0
Closed captions available.

Dr. Sagan leads us to a time when galaxies were beginning to form, and to show how humans of this century discovered the expanding universe and its origin in the big bang.

Add this to your queue
Added: Thu Mar 19 02:50:51 UTC 2009
Air date: Sun Nov 30 00:00:00 UTC 1980
Duration: 1:03:06
Rating: 4.4 / 5.0
Closed captions available.

Using computer animation and amazing astronomical art, Dr. Sagan shows how stars are born, live, die and sometimes collapse to form neutron stars or black holes.

Add this to your queue
Added: Thu Mar 19 02:50:51 UTC 2009
Air date: Sun Nov 23 00:00:00 UTC 1980
Duration: 59:25
Rating: 4.4 / 5.0
Closed captions available.

A voyage to see how star patterns change over millions of years is followed by a journey to the planets of other stars, and a look at the possibility of time travel.

Add this to your queue
Added: Thu Mar 19 02:50:51 UTC 2009
Air date: Sun Nov 16 00:00:00 UTC 1980
Duration: 1:01:24
Rating: 4.2 / 5.0
Closed captions available.

Humans once thought the stars were campfires in the sky and the Milky Way "the backbone of night."

Add this to your queue
Added: Thu Mar 19 02:50:50 UTC 2009
Air date: Sun Nov 09 00:00:00 UTC 1980
Duration: 58:36
Rating: 4.5 / 5.0
Closed captions available.

Dr. Sagan compares explorers who ventured in sailing ships halfway around our planet in their quest for wealth and knowledge to the excitement around Voyager's expeditions to Jupiter and Saturn.

Add this to your queue
Added: Thu Mar 19 02:50:51 UTC 2009
Air date: Sun Nov 02 00:00:00 UTC 1980
Duration: 1:00:59
Rating: 4.3 / 5.0
Closed captions available.

Is there life on Mars? Dr. Sagan takes viewers on a tour of the red planet first through the eyes of science fiction authors, and then through the unblinking eyes of two Viking spacecraft.

Add this to your queue
Added: Thu Mar 19 02:50:50 UTC 2009
Air date: Sun Oct 26 00:00:00 UTC 1980
Duration: 1:01:11
Rating: 4.3 / 5.0
Closed captions available.

A descent through the hellish atmosphere of Venus to explore its broiling surface serves as a warning to our world about the possible consequences of the increasing greenhouse effect.

Add this to your queue
Added: Thu Mar 19 02:50:51 UTC 2009
Air date: Sun Oct 19 00:00:00 UTC 1980
Duration: 1:01:04
Rating: 4.2 / 5.0
Closed captions available.

This episode is a historical re-creation of the life of Johannes Kepler, the last scientific astrologer, the first modern astronomer and the author of the first science fiction novel.

Add this to your queue
Added: Thu Mar 19 02:50:51 UTC 2009
Air date: Sun Oct 12 00:00:00 UTC 1980
Duration: 58:30
Rating: 4.3 / 5.0
Closed captions available.

Dr. Sagan's cosmic calendar makes the history of the universe understandable and frames the origin of the Earth and the evolution of life.

Add this to your queue
Added: Thu Mar 19 02:50:52 UTC 2009
Air date: Sun Oct 05 00:00:00 UTC 1980
Duration: 1:00:08
Rating: 4.2 / 5.0
Closed captions available.

At the beginning of this cosmic journey across space and time, Dr. Carl Sagan takes us to the edge of the universe aboard a spaceship of the imagination.

Add this to your queue
Added: Thu Mar 19 02:50:51 UTC 2009
Air date: Sun Sep 28 00:00:00 UTC 1980
Duration: 1:05:09
Rating: 4.0 / 5.0
Closed captions available.