Who Do You Think You Are?

Who Do You Think You Are? is a television documentary series, made by  that started in 2004. In each episode, a celebrity goes on a journey, in order to try and trace their. Four series have currently aired and a fifth series will air in 2008.

In October 2007, began publishing ''Who Do You Think You Are? Magazine'', a monthly family history magazine, which includes material from the TV series.

Episodes
The first two series were broadcast on, and the first series was the highest-rating programme of 2004 on BBC Two. Due to the show's popularity, from the third series onwards episodes were aired on. The first series was narrated by and since the second series by. The first series was nominated for "Best Factual Series or Strand" in the 2005.

The last ten minutes of episodes from the first series featured presenter and genealogical researcher  giving tips on tracing your family tree.

Series Five (2008)
Series 5 will be broadcast in 2008. will be one of the celebrities featured.

Theme tune
The theme tune was composed by, along with background music in each episode.

DVD releases
The first two series of Who Do You Think You Are? are available on DVD in the UK (Region 2).

Other countries
In September 2007, a comprised of 13 episodes began airing on.