A three-part series ends tonight on PBS that explores improving social relationships, learning to cope with depression and anxiety, and becoming more positive, resilient individuals.

Harvard psychologist and best-selling author of Stumbling on Happiness, Professor Daniel Gilbert hosts ‘This Emotional Life' and talks with experts about the latest science on what makes us "tick" and how to find emotional support for the issues we face.

Each episode weaves together the compelling personal stories of ordinary people and the latest scientific research along with revealing comments from celebrities like Chevy Chase, Larry David, Alanis Morissette, Robert Kennedy, Jr., and Richard Gere. The show's website also features resources for those interested in learning more: www.pbs.org/thisemotionallife.

Watch the preview below, and see some of the other series clips on YouTube.