#1 ∙ S1.E8 ∙ Journeys in Space and TimeSun, Nov 16, 1980Carl Sagan explains scientific concepts like relativity and examines the possibility of time travel.9.1/10 (569)Rate
#2 ∙ S1.E2 ∙ One Voice in the Cosmic FugueSun, Oct 5, 1980Carl Sagan examines the origin, development, and complexity of life on Earth and speculates on the possibility of life developing elsewhere in the universe.9.0/10 (675)Rate
#3 ∙ S1.E10 ∙ The Edge of ForeverSun, Nov 30, 1980Carl Sagan focuses on the origin of the universe by discussing the Big Bang, Galaxies, Dimensions, and the expansion of the universe.9.0/10 (541)Rate
#4 ∙ S1.E9 ∙ The Lives of the StarsSun, Nov 23, 1980Carl Sagan examines the life cycle of stars from their creation to their deaths.9.0/10 (536)Rate
#5 ∙ S1.E13 ∙ Who Speaks for Earth?Sun, Dec 21, 1980Carl Sagan considers the significance of science and discuss the importance of human survival in the nuclear age.9.0/10 (531)Rate
#6 ∙ S1.E1 ∙ The Shores of the Cosmic OceanSun, Sep 28, 1980Carl Sagan examines our planet's place in the universe by leading us on a journey from Earth to Deep Space.8.9/10 (822)Rate
#7 ∙ S1.E4 ∙ Heaven and HellSun, Oct 19, 1980Carl Sagan examines the nature of comets before turning to a close look at the planet Venus.8.9/10 (585)Rate
#8 ∙ S1.E5 ∙ Blues for a Red PlanetSun, Oct 26, 1980Carl Sagan looks at the search for life on Mars from the speculations of Percival Lowell and H.G. Wells to the arrival of the Viking probes.8.9/10 (575)Rate
#9 ∙ S1.E12 ∙ Encyclopaedia GalacticaSun, Dec 14, 1980Carl Sagan examines the possibility extraterrestrial life and discusses his skepticism about UFOs.8.9/10 (516)Rate
#10 ∙ S1.E6 ∙ Travellers' TalesSun, Nov 2, 1980Carl Sagan looks at the planets Jupiter and Saturn by examining the work of Galileo, Huygens, and the Voyager probes.8.8/10 (550)Rate