<Tr> <Th> </Th> <Td> Carol Vorderman </Td> <Td> 27 September 2007 (2007 - 09 - 27) </Td> <Td> 6.53 </Td> </Tr> <Tr> <Td_colspan="4"> Vorderman discovers that her father was an active member of the Dutch resistance during the Nazi occupation . He died while the programme was being filmed . Her great - grandfather Adolphe Vorderman played a key role in the discovery of vitamins . </Td> </Tr> <Tr> <Th> 5 </Th> <Td> Alistair McGowan </Td> <Td> 4 October 2007 (2007 - 10 - 04) </Td> <Td> 6.17 </Td> </Tr> <Tr> <Th> 6 </Th> <Td> Graham Norton </Td> <Td> 11 October 2007 (2007 - 10 - 11) </Td> <Td> 6.88 </Td> </Tr>

Who do you think you are present series