A Dialogue: A Conversation with Carl Sagan and Ted Turner [148944] Released: 1989-11-01 Revenue: $0 Budget: $0 Profit: $0 Runtime: 44 mins Popularity: 0.4836 Vote Average: 0 Vote Count: 0 Overview: Updates a number of themes from the Cosmos television series. Turner and Sagan discuss issues that are vital to our survival: pollution, the greenhouse effect, and nuclear weapons. Dr. Sagan explains the benefits of our space program and the possibility of time travel. Cast [2] Ted TurnerHost Carl SaganGuest Trailers