Full episode
303: David and Goliath

Prologue

Lisa LaBorde has two daughters, and having grown up an only child, she can't understand why they fight all the time. Her idea of sisterhood is more like a scene from The Sound of Music. Wanting to create that kind of bond for her girls, Lisa decides to enlist the aid of science to see if she can turn these enemies into friends—in just one month. (4 minutes)