#1 ∙ S1.E8 ∙ Journeys in Space and TimeSat, Nov 15, 1980Carl Sagan explains scientific concepts like relativity and examines the possibility of time travel.9.1/10 (584)Rate
#2 ∙ S1.E2 ∙ One Voice in the Cosmic FugueSat, Oct 4, 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 (694)Rate
#3 ∙ S1.E10 ∙ The Edge of ForeverSat, Nov 29, 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 (558)Rate
#4 ∙ S1.E9 ∙ The Lives of the StarsSat, Nov 22, 1980Carl Sagan examines the life cycle of stars from their creation to their deaths.9.0/10 (553)Rate
#5 ∙ S1.E13 ∙ Who Speaks for Earth?Sat, Dec 20, 1980Carl Sagan considers the significance of science and discuss the importance of human survival in the nuclear age.9.0/10 (549)Rate
#6 ∙ S1.E1 ∙ The Shores of the Cosmic OceanSat, Sep 27, 1980Carl Sagan examines our planet's place in the universe by leading us on a journey from Earth to Deep Space.8.9/10 (848)Rate
#7 ∙ S1.E4 ∙ Heaven and HellSat, Oct 18, 1980Carl Sagan examines the nature of comets before turning to a close look at the planet Venus.8.9/10 (604)Rate
#8 ∙ S1.E5 ∙ Blues for a Red PlanetSat, Oct 25, 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 (597)Rate
#9 ∙ S1.E12 ∙ Encyclopaedia GalacticaSat, Dec 13, 1980Carl Sagan examines the possibility extraterrestrial life and discusses his skepticism about UFOs.8.9/10 (535)Rate
#10 ∙ S1.E6 ∙ Travellers' TalesSat, Nov 1, 1980Carl Sagan looks at the planets Jupiter and Saturn by examining the work of Galileo, Huygens, and the Voyager probes.8.8/10 (568)Rate
