Go to the Oprah store online (link in the Resources section below). On the left hand side of the page, under the "Departments" heading, you will see DVDs listed as one of the subheadings.
Click "DVDs" with your mouse to open the page where Oprah's DVDs are featured. Here you will find the latest Oprah DVDs as well as a copy of Oprah's 20th Anniversary DVD boxed set, which contains a collection featuring many of her special shows on six discs with more than 17 hours of clips to view.
Purchase the special 20th Anniversary DVD or any of the other featured shows on DVD, directly from Oprah's store. Just click on the "Add to shopping cart" button to start the process.
Go to stores in your area. You can also browse other online sellers that you can find by searching for "Oprah Winfrey DVD" using your online search engine.
Search at your local library to see if they have any available to check out.