TLC has ordered all-new episodes of the fan-favorite reality series Who Do You Think You Are?, with production already underway, the network announced today. Executive Produced by Lisa Kudrow and Dan Bucatinsky, the series famously takes celebrities on a journey into their personal histories, mining their surprising pasts to reveal unknown details about themselves and their families. The series opens the doors to the fascinating real life stories of some of the most well known names in America, sharing how the eye-opening revelations they uncover about their backgrounds impact their lives today.