Carl Sagan - Cosmos - Democritus
1:01:36
Carl Sagans Cosmos - Episode 8 - Journeys in Space & Time
15:45
Carl Sagan on The Tonight Show with Johnny Carson (full interview, March 2nd 1978)
52:11
Carl Sagan, Stephen Hawking and Arthur C. Clarke - God, The Universe and Everything Else (1988)
7:24
Cosmos - Carl Sagan - 4th Dimension
4:14
Carl Sagan Predicted The Mess 2021 Would Be 25 years Ago
17:40
Carl Sagan Speaks on Zeitgeist
4:12
Symphony of Science - 'We Are All Connected' (ft. Sagan, Feynman, deGrasse Tyson & Bill Nye)
10:51