Who Do You Think You Are? is an Australian television documentary series, based on the BBC series of the same name, airing on SBS One. SBS first aired six episodes of the BBC series in late 2007, followed by six Australian episodes beginning 13 January 2008, and then six more from the original BBC version. Each episode profiles a celebrity tracing their family tree, and is narrated by Richard Mellick.
The success of the series led to SBS One and the National Archives of Australia jointly organising a Shake Your Family Tree day on 27 February 2008 to promote genealogy.
SBS One has renewed the series for a fourth and fifth series. Series 4 will begin airing sometime in 2011 and will feature Vince Colosimo, Shaun Micallef, Michael O’Loughlin, Melissa George, Kerry O’Brien and John Wood.