More information: IMDB
Watch Cosmos Season 1
Who Speaks for Earth?
aired: Sat, Dec 20, 1980
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.
aired: Sat, Dec 13, 1980
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.
The Persistence of Memory
aired: Sat, Dec 6, 1980
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.
The Edge of Forever
aired: Sat, Nov 29, 1980
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.
The Lives of the Stars
aired: Sat, Nov 22, 1980
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.
Travels in Space and Time
aired: Sat, Nov 15, 1980
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.
The Backbone of Night
aired: Sat, Nov 8, 1980
Humans once thought the stars were campfires in the sky and the Milky Way "the backbone of night."
aired: Sat, Nov 1, 1980
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.
Blues for a Red Planet
aired: Sat, Oct 25, 1980
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.
Heaven and Hell
aired: Sat, Oct 18, 1980
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.
One Voice in the Cosmic Fugue
aired: Sat, Oct 4, 1980
Dr. Sagan's cosmic calendar makes the history of the universe understandable and frames the origin of the Earth and the evolution of life.
The Shores of the Cosmic Ocean
aired: Sat, Sep 27, 1980
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.