We’re investigating one of the darkest unsolved Hollywood mysteries of all time: The death of Natalie Wood. Natalie Wood’s sister, Lana Wood, opens up exclusively to Dr. Oz, revealing what she thinks really happened. New witnesses have come forward to reveal what they know about that night. Plus, essential oils claim to help with everything from anxiety to cancer. Are they cure-alls or health scams?

After years of trying to get pregnant, doctors told Kelsi Pierce it would be near impossible for her to conceive a child. However, Kelsi got the surprise of her life when her mom volunteered to be her surrogate — and she found out she, too, was pregnant!