Editor's note: We were deeply saddened to learn of Dr. Maya Angelou's passing. The following is from a July 2011 interview with Oprah Winfrey on
Season 25: Oprah Behind the Scenes.
Oprah says she didn't suspect any of the guests for her farewell shows—until she tried to call Maya Angelou the day of the taping. Watch Oprah and producers laugh about the phone call Oprah made to Maya in the middle of rehearsal! More from this show