Cosmos: A Personal Voyage · SEASON 1
Heaven and Hell
Episode 4 · 1980-10-19

- Documentary
Episode overview
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.
60 minutes
Season 1 episodes
1. The Shores of the Cosmic Ocean1980-09-28
2. One Voice in the Cosmic Fugue1980-10-05
3. Harmony of the Worlds1980-10-12
4. Heaven and Hell1980-10-19
5. Blues for a Red Planet1980-10-26
6. Travellers' Tales1980-11-02
7. The Backbone of Night1980-11-09
8. Journeys in Space and Time1980-11-16
9. The Lives of the Stars1980-11-23
10. The Edge of Forever1980-11-30
11. The Persistence of Memory1980-12-07
12. Encyclopedia Galactica1980-12-14
13. Who Speaks for Earth?1980-12-21