when does who do you think you are return in 2018
Who Do You Think You Are? (U.S. TV series) The show premiered on NBC on March 5, 2010 where it ran for three seasons before being cancelled in 2012. It was then picked up by TLC, where it has aired for six additional seasons. In August 2017, TLC renewed the series for a tenth season that is set to premiere on May 21, 2018 and feature Hilary Duff, Jean Smart, Jon Cryer, Laverne Cox, Megan Mullally, and Molly Shannon.