Women have reported being branded and starved by a so-called self-help group with over 16,000 members. But are they really an underground cult? We investigate NXIVM and the leader of this organization. Then, the brutal murder of movie star Sharon Tate by the Manson family cult. Sharon’s sister speaks out about a cult member that could walk free.

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.