Who Do You Think You Are?Season 22011 · 8 episodesEpisodes1Vanessa WilliamsVanessa Williams sets out on a journey to find out if her ancestors were also trailblazers.2Tim McGrawThe country music superstar uncovers his father's heritage among the Founding Fathers.3Rosie O'DonnellThe search for her mother's roots takes Rosie to Ireland, and uncovers a new branch of the family.4Kim CattrallKim Cattrall travels to her native England to discover what happened to her grandfather, who abandoned his family to poverty when Kim's mother was only eight years old.5Lionel RichieLionel Richie sets out to unlock the mystery of the man his beloved grandmother never spoke about - her father, John Louis Brown.6Steve BuscemiSteve Buscemi seeks a compelling story on his mother's side of the family, and finds it in his great-great-grandfather Ralph B. Montgomery.7Gwyneth PaltrowGwyneth Paltrow's exploration of both sides of her family shows her the importance of teaching her kids that where they come from is important.8Ashley JuddActress Ashley Judd discovers a connection to the first American settlers while investigating her ancestral past.Season 1Season 3Season 4Season 5Season 6Season 7Season 8Season 9Season 10Season 11Season 12