Dizi Adı: Cosmos: A Personal Voyage
Bölüm Adı: Heaven and Hell
Sezon/Bölüm: 1. Sezon 4. Bölüm
Yayın Tarihi: 19 Eki. 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.

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