The first season of the Discovery Channel documentary in which a series of celebrities host programmes exploring some of the most interesting scientific and intellectual questions of the day. The hosts in season one include Stephen Hawking, Samuel L. Jackson, Morgan Freeman, Morgan Spurlock, Courtney Cox and Martin Sheen. The episodes are: 'Did God Create the Universe?', 'How Will the World End?', 'Parallel Universes: Are They Real?', 'Can You Live Forever?', 'How Evil Are You?', 'I, Caveman', 'Life Before Birth', 'What's America Worth?', 'What's Beneath America?', 'Why Is Sex Fun?', 'World's Dirtiest Man' and 'When Robots Rule'.