Smile! Harpo promotions department employees Ramona and Erica pose for a picture while they wait for Oprah to go to the recording booth.
Dr. Mehmet Oz returns to The Oprah Winfrey Show for a special report on prescription pill addiction.
The Oprah Winfrey Show broadcasts live from New York City's Central Park September 18, with special guests Mariah Carey, Regis Philbin, Kelly Ripa and more.
Oprah talks with her producers about the behind- the-scenes action of the 25th season of The Oprah Winfrey Show.
Browse Oprah Radio host Dr. Mehmet Oz's past shows.