Who's on Who Do You Think You Are? tonight? Latest celebrity on the BBC One series

Tonight's Who Do You Think You Are? contestants - is it new or a repeat?

who do you think you are

Who Do You Think You Are? is back on BBC One tonight (17 January) - here's all you need to know.

The genealogy show has aired since 2004 and features a star studded line-up from the worlds of TV, sport, music, comedy and dance.


In each episode, a celebrity traces their family tree with a host of names have signed up to explore their ancestry over the years.

Who's on Who Do You Think You Are? tonight?

Tonight (17 January) features David Walliams.

Actor, comedian, talent show judge and children’s author David Walliams delves into his family history.

First, he learns of his paternal great-grandfather’s prolonged and traumatic experiences on the battlefields of the First World War. The damage to his mental health condemned him to a lifetime in what was then known as a lunatic asylum.

On his mother’s side, David uncovers the story of his great-great-grandfather, who was blind as the result of invasive eye surgery. David is amazed to find out that his ancestor became an entertainer - first a street musician and then a travelling showman, running fairground attractions with the help of his wife and children.

The episode airs on Monday, 17 January at 9PM on BBC One.

It's a repeat episode from series 17.

Watch Who Do You Think You Are? online

As well as watching on TV you can watch episodes online as they air via the BBC iPlayer.

You can also watch online and stream past series on catch up via the BBC iPlayer with 50 episodes currently available.


They include the full last series which featured Josh Widdicombe, Dame Judi Dench, Ed Balls, Pixie Lott, Joe Lycett, Alex Scott and Joe Sugg.

Past series have featured the likes of Oscar-winning actress Kate Winslet, Harry Potter actor Daniel Radcliffe, music manager and former X Factor judge Sharon Osbourne, James Bond actress Naomie Harris and reality star turned TV presenter Mark Wright.

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