Carl Sagan

The Donahue Show, also known as Donahue, was an American television talk show hosted by Phil Donahue that ran for 26 years on national television. Its run was preceded by three years of local broadcast in Dayton, Ohio, and it was broadcast nationwide between 1970 and 1996. In 2002, Donahue was ranked twenty-ninth on TV Guide magazine's list of the fifty greatest television shows of all-time.

Carl Sagan covers a wide range of scientific subjects, including the origin of life and a perspective of our place in the universe.

Famed astrophysicist Neil deGrasse Tyson provides clarity for the vision of the cosmos as he voyages across the universe with never-before-told stories that delve into the scientific concepts of the laws of gravity and the origins of space and time.