Carl Sagan’s Cosmos

8.6/10 based on 9 votes

Episode 1: The Shores of the Cosmic Ocean

In this highly acclaimed series written for PBS by astronomer/author Dr. Carl Sagan and Ann Druyan, the universe is the topic of discussion. In this first episode, Cosmos: The Shores of the Cosmic Ocean, Dr. Sagan goes deep into space with the help of special effects to visit star clusters, supernovas, pulsars, quasars, and exploding galaxies. At the conclusion, he takes viewers to a re-creation of the 2,000-year-old Alexandrian Library. Cosmos became the most popular limited series in the history of public television.

Episode 2: One Voice in the Cosmic Fugue

Dr. Sagan’s cosmic calendar makes the history of the universe understandable and frames the origin of the Earth and the evolution of life. We see the evolutionary process unfold, from microbes to humans.

Our understanding of how life developed on Earth enables us to venture to other worlds for imaginative speculations on what forms life might take elsewhere.

Episode 3: Harmony of the Worlds

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.

Kepler provided the insight into how the moon and the planets move in their orbits and ultimately how to journey to them. It’s also a story about the scientific process of discovery, and how the search for truth is never easy but always worthwhile.

Episode 4: Heaven and Hell

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.

Then Dr. Sagan leads us on a tour of our solar system to see how other heavenly bodies have suffered from various cosmic catastrophes.

Episode 5: Blues for a Red Planet

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 spacecrafts that have sent thousands of pictures of the stunning Martian landscape back to Earth since 1976. Though based on older Mars missions, Sagan’s analysis still holds true.

Episode 6: Travellers in Time

Dr. Sagan compares the exhilaration of 17th-century Dutch explorers who ventured in sailing ships halfway around our planet in their quest for wealth and knowledge to an inside view of the excitement around Voyager’s expeditions to Jupiter and Saturn. The newly acquired treasures of our present golden age of exploration are the focus of this episode.

Episode 7: The Backbone of Night

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

In this fascinating segment Dr. Sagan takes us back to ancient Greece, when the basic question “what are the stars?” was first asked. He visits the Brooklyn elementary school of his childhood, where this same question is still on students’ minds.

Episode 8: Journeys in Time and Space

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.

This takes us to Italy, where a young Albert Einstein first wondered what it would be like to ride on a beam of light.

Episode 9: The Lives of the Stars

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.

We then journey into the future to witness “the last perfect day on Earth,” 5 billion years from now, after which the sun will engulf our planet in the fires of its death throes.

Episode 10: The Edge of Forever

Dr. Sagan leads us on some awesome trips to a time when galaxies were beginning to form, to India to explore the infinite cycles of Hindu cosmology, and to show how humans of this century discovered the expanding universe and its origin in the big bang.

He disappears down a black hole and reappears in New Mexico to show us an array of 17 telescopes probing the farthest reaches of space.

Episode 11: The Persistence of Memory

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.

Then we wind through the maze of the human brain to witness the architecture of thought. We see how genes, brains and books store the information necessary for human survival.

Episode 12: Encyclopedia Galactica

Are there alien intelligences? How could we communicate with them? What about UFOs? The answers to these questions take us to Egypt to decode ancient hieroglyphics, to the largest radio telescope on Earth and, in the Spaceship of the Imagination, to visit other civilizations in space.

Dr. Sagan answers questions such as: “What is the life span of a planetary civilization?” and “Will we one day hook up with a network of civilizations in the Milky Way galaxy?”

Episode 13: Who Speaks For Earth?

Through the use of special effects we retrace the 15-billion-year journey from the big bang to the present. We also hear the tragic story of the martyrdom of Hypatia, the woman scientist of ancient Alexandria.

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.

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Discuss This Documentary

  • Hurricane Bill

    Ahh… it’s been a long time mister Sagan.

    Time to rekindle with the best documentary series ever made.

  • Cam Krout

    Uggh. The last segment had its audio removed…copyright bullshit again =/

    What a greedy usurpation of this video’s educational value. Sagan would’ve been so ashamed to have had such music used in his program in the first place, had he known that corporate powers would ultimately do such a thing.

  • Cam Krout

    Sorry…I meant to say the last segment of episode 5 about Mars…I didn’t realize the comments went to a general page for the show as opposed to each individual video

    • Thanks Cam, it should be fixed now!

  • malika

    helarious as one of the best ever documentry!!!

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