56. Cosmos – A Personal Voyage (1980)

The award-winning, 13-part television series hosted by Carl Sagan. Charts the origin of life and our place in the universe while recounting the broad and riveting history of scientific inquiry from ancient Ionia to the present day. (13 episodes, 1 hour each.)

More info at Wikipedia.

NOTE – Some episodes have been blocked by youtube

Episode 1. The Shores of the Cosmic Ocean (1 hour)