Who Do You Think You Are? (2004)

Bill Oddie is the first celebrity to undergo the family tree search, as he endeavours to find out more about his mother, who was institutionalised when he was a child.

Redman learns more of her father's history, her illegitimate sister, she gets a reunion with reunion with a long lost relative and finds out her grandfather was of Victorian up-bringing.

Johnston learns about two of the more famous men in her family, her great grandfather who went from rags to riches of the industrial revolution. As well as his son (her grandfather) who joined the railways and made money from that.

Jeremy is determined to find out if his mother was descended from the Kilner Jar people, and if they were, where all the money had gone.

Ian finds out more about the part his grandfathers played in the wars of the 20th Century.

Moira Stuart's family tree exploration takes from the Highlands of Scotland to the West Indies.

David explores his Jewish roots and discovers some Orthodox Jewish relatives in London.

Garrett, discovers her roots and those of her great great grandfather who was a butcher, farmer and prominent member of the Thorne Council. His history was kept secret from her and her father.

Meera explores her grandfather's contributions to the struggle for Indian independence and delves into her family's history, including the fall of the Raj, the creation of India and Pakistan.

Comedian Vic Reeves goes in search of his ancestor Simeon Leigh who isn't at all what he seems.