The 9th season of “Finding Your Roots” premieres January 3 at 8 pm ET on PBS. Celebrities including Carol Burnett, Jeff Daniels, and Julia Roberts will uncover family secrets and lost ancestors during shows led by renowned scholar, Dr. Henry Louis Gates. At the same time, Season 10 production is underway and is looking for a non-celebrity viewer to feature. The show is seeking applicants who are 21 or older, reside in the United States, and have a family mystery for the Finding Your Roots team to solve. To be considered, visit http://findingyourrootscasting.com/index.html, read the “Casting Terms,” and complete the online application.