5/10 Hugh Dennis learns about his grandfathers' experiences during the First World War.
10/10 Controversial artist Tracey Emin sets out to find out more about her East End roots.
10/10 Twiggy sets off to investigate her mum's family in Victorian London.
7/10 Robin Gibb finds out how his paternal great-grandfather became a decorated soldier.
3/10 Sebastian Coe sets out to discover if there is any truth in his grandmother's claims.
4/9 Gardener Monty Don traces his family tree and unearths a bitter family feud.
The parents join forces to impose a ban on their children's use of gadgets.
9/10 Strictly Come Dancing judge Len Goodman investigates his mother's family.
5/10 Emilia Fox uncovers an extraordinary rags-to-riches tale about a Victorian ancestor.
9/10 Billy Connolly travels to India in the footsteps of his army ancestors.