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Ruby, who was once 700 pounds, shares words of inspiration and support for Colleen, who meets the rest of the team that will help her lose the weight.
Click here to watch Part 1: Dr. Oz begins his intervention with a house call.
Click here to watch Part 2: Colleen admits why she's afraid to lose the weight.
Click here to watch Part 3. Colleen's husband and mother join the show.
Click here to watch Part 4. After refusing medical tests for 15 years, Colleen begins treatment.
Click here to watch Part 5. Dr Oz's explains Colleens's shocking test results.