TV presenter Chris Tarrant and actress Lisa Faulkner go in search of their families' World War II heroes.
Former politician Ann Widdecombe and motoring journalist Quentin Willson retrace the footsteps of their families' war heroes.
Helen Lederer traces the poignant story of her Czech grandfather, while Lord Paddy Ashdown explores the army history of his father.
Former England cricket captain David Gower and radio presenter Sara Cox discover the wartime sacrifices and contributions made by their relatives.
Dom Littlewood and Pamela Stephenson uncover the harrowing wartime experiences of their relatives.
Robert Llewellyn and Angela Rippon discover the important roles their fathers played in World War II.