Original Air Date: 11/26/2010

Throughout the course of The Oprah Winfrey Show, Oprah turned a simple 'thank you' into an art form. In her thank-you day follow-up, Oprah revisits some of the most unforgettable moments of gratitude that occurred during the show's 25 seasons. Oprah also checks in to see where these guests are and what they were doing in 2010.

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