A cameraman works on the show '237 Reasons to Have Sex.'

The cameras are rolling on the show 237 Reasons to Have Sex .
Oprah gets some last-minute hair and makeup.

Finishing touches are made to Oprah's hair and makeup during taping of the show 237 Reasons to Have Sex.
Dr. Oz, Oprah and Dr. Michael Roizen

Oprah poses for a picture with Dr. Oz and Dr. Michael Roizen after the show Dr. Oz on Aging: How to Turn Back Time, Part 2 .
Ken Paves, Kimberly Kimble, Harry Josh, Ted Gibson and Rita Hazan chat as they await Oprah's entrance.

In Oprah's Great American Haircut , five celebrity hairstylists made over more than 100 people in just two days. Ken Paves, Kimberly Kimble, Harry Josh, Ted Gibson and Rita Hazan chat as they await Oprah's entrance before taping Celebrity Hairstylists Reveal Their Secrets .
Oprah, Bill Gates and Melinda Gates pose with a group of students.

Oprah, Bill and Melinda Gates pose with a group of students who took part in an experiment to explore the state of America's school system.
Oprah greets the audience for the taping of her special report on schools in America.

Oprah greets the audience during the taping of Exclusive: What Bill and Melinda Gates Want You to Know .
Corinna Draschl greets Oprah.

Reigning Junior World Memory Champion Corinna Draschl flew all the way from Austria to be part of Oprah's show on amazing kids . Even after the long flight, she's ready to put her skills to the test !
Daniel Cook and Oprah reflect on a job well done.

During the taping, 9-year-old Daniel Cook worked as Oprah's correspondent . After the end of the taping, both hosts reflect on a job well done!

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