It looks like it's going to be another inspirational and educational program! Kathleen~CT. <It’s official – Who Do You Think You Are? returns for a second season on NBC starting February 4 at 8/7c. We’re already counting down the minutes (popping corn, stocking up on tissues, you know the drill). Watch a series preview at _www.nbc.com/who-do-you-think-you-are_ (http://www.nbc.com/who-do-you-think-you-are) .>