'Presidents' Gatekeepers' Sneak Peak: President Carter on His Unconventional Style (Exclusive Video)

For the first time, all 20 living White House Chiefs of Staff come together to share their previously untold stories in The Presidents' Gatekeepers, a two-night special debuting Wednesday on Discovery Channel.

The four-hour special, airing at 9 p.m. Wednesday and Thursday, spans nine administrations and 50 years.

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The program features exclusive interviews with former U.S. presidents Jimmy Carter and George H.W. Bush and chiefs of staff including Howard Baker Jr., James A. Baker III, Joshua Bolten, Erskine Bowles, Andrew Card, Dick Cheney, William M. Daley, Kenneth Duberstein, Rahm Emanuel, Jim Jones, Jacob Lew, Denis McDonough, Thomas Mack McLarty, Leon Panetta, John Podesta, Donald Rumsfeld, Samuel K. Skinner, John H. Sununu, Jack Watson and Marvin Watson.

The Hollywood Reporter has an exclusive first look at the interview with Carter, in which he talks about his unconventional style and lengthy search for the right chief, which resulted in some headaches for the former president.

The program hails from the filmmaking team of brothers Gedeon and Jules Naudet (9/11, In God's Name) Peabody Award-winning news producer Chris Whipple (60 Minutes, ABC News) and Peacock Productions. For more, visit the show's official website.