Barbara Walters' 25 on 20/20

Sept. 9, 2004 -- 20/20 will air a special program that has been 25 years and approximately 740 interviews in the making — a look at Barbara Walters' 25 years on 20/20.

Walters has spoken with some of the most famous and infamous people of our time. She has interviewed every president and first lady since Richard Nixon, almost every notorious murderer or accused murderer, countless Hollywood movie stars and newsmakers at the center of some sensational scandals during her quarter-century as co-anchor of the award-winning newsmagazine.

As Walters steps down as co-anchor to embark on a new phase of her career, 20/20 looks back at some of her most notable interviews and controversial reports, which have made some of the most memorable moments on television. 25 on 20/20, a special two-hour retrospective airs on ABC's 20/20 Friday, Sept. 17 at 9 p.m. ET.