This three-part series opens a window into real lives, exploring ways to improve our social relationships, cope with depression and anxiety, and become more positive, resilient individuals. Hosted by Daniel Gilbert, Harvard psychologist and best-selling author of "Stumbling on Happiness," who talks with experts about the latest science on what makes us "tick" and how we can find support for the emotional issues we all face. Providing their own unique perspectives are these celebrities: Alanis Morissette; Larry David; Chevy Chase; John McEnroe; Katie Couric; Richard Gere; and others. (Source: PBS)