Emmys: 'Making a Murderer' Was in the Works for 8 Years and Other Revelations From the Year's Buzziest Docuseries

Whether they dwell in the heart of the current news cycle (Showtime's close-up view of the presidential campaign, 'The Circus') or back in America's disco days (CNN's 'The Seventies'), this year's docuseries contenders intimately -- and sometimes harshly -- reveal the characters, events and forces that animate the culture.