It was an Olympic-sized event that only the big O could pull off.
More than 170 Olympic athletes were in Chicago's Millenium Park for a taping of the season premiere of The Oprah Winfrey Show.
Video after the jump.
From Beijing to the Windy City.
All of Team USA's biggest stars including Michael Phelps, Nastia Liukin, Kobe Bryant, and Misty May-Treanor were in Chicago for the show.
Some fans waited in line for up to 9 hours, just to score seats.
The large display of Olympic athletes was also an effort to boost Chicago's bid for the 2016 Olympic games.
I have to say. I couldn't wait to hear what gymnast, Shawn Johnson, had to say. Who's your favorite athlete Olympic athlete?
