American doctors using their prescription pads to push pills in exchange for cash to fuel their own drug addiction. Today, an exclusive interview with a doctor who went from a healer to a drug-dealing addict. Then, how does a star athlete become a killer? Did brain trauma on the field cause former football player Aaron Hernandez to commit murder and suicide?

Dr. Oz goes where he's never gone before. He's letting you eat fast-food and it's not what you expect. Learn which fast food meals you can eat under 500 calories while still enjoying the food you love.