S1.E1 ∙ A Glorious DawnThu, Sep 17, 2009The video that started it all. Featuring Carl Sagan and Stephen Hawking.Rate
S1.E2 ∙ We Are All ConnectedMon, Oct 19, 2009Neil DeGrasse Tyson, Richard Feynman, Carl Sagan and Bill Nye pitch in for the second installment.Rate