Who Do You Think You Are? is an Australian television documentary reality series, part of the international franchise and adaptation of the original British series on BBC 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.