Watch Who Do You Think You Are?

Who Do You Think You Are? is a documentary series that is based upon tracking the genealogy of high profile celebrities that airs on the U.S. NBC network station and affiliates. The American show was adapted from the British version that aired on the UK BBC network. The premise of the show each week features a celebrity who embarks upon a journey to various cities and countries, in an effort to trace their family tree.

Lisa Kudrow was the first featured celebrity and an executive producer on the series, as a partnership between Shed Media, Ancestry.com and NBC Entertainment. In each episode, family secrets are revealed and information is discovered about their families which sometimes answers and often shocks the celebrities.

The show's genealogy techniques center around finding historical facts rooted in
surname information. Featured celebrities for Season One included: actor, Matthew Broderick; writer and director, Spike Lee; actress and producer, Sarah Jessica Parker; Oscar winning actress, Susan Sarandon; model and actress, Brooke Shields; and retired American NFL football player, Emmitt Smith.

Season 2 of Who Do You Think You Are? aired in 2011 with eight episodes. The first show featured model, actress and singer, Vanessa Williams, followed by singer, Tim McGraw; comedian and show host, Rosie O'Donnell; actress, Kim Cattrall; singer and songwriter, Lionel Richie; actor and producer, Steve Buscemi; actress Gwyneth Paltrow; and actress, writer and activist, Ashley Judd. Of note is that Ms. Cattrall's episode was an edited version of the original broadcast which aired on the original British series.

When the show was renewed for Season Three, the air dates were scheduled to take place during the television season for 2011-2012. The season will feature the following 12 celebrities: Oscar winning actress, Marisa Tomei; actor and writer, Rob Lowe; chef and show host, Paula Deen; actress, comic book author, singer and screenwriter, Rashida Jones; retired American NFL football halfback, Jerome Bettis; country singer and actress, Reba McEntire; Emmy winning actress, Helen Hunt; Emmy winning actress, Edie Falco; actress and producer, Rita Wilson; comedian, actor and writer, Jason Sudeikis; actor, producer and political activist, Martin Sheen; and actor, Blair Underwood.

Who Do You Think You Are? also inspired similar international series in Canada, Australia, Ireland, South Africa, Israel, Sweden, Norway, Denmark, The Netherlands and Russia. The series ran for three seasons beginning on March 5, 2010 for a total of twenty seven episodes, before NBC canceled the show in 2012.

Who Do You Think You Are? is a series that ran for 12 seasons (85 episodes) between March 5, 2010 and on TLC