<Tr> <Th> </Th> <Td> Robert Lindsay </Td> <Td> 13 September 2006 (2006 - 09 - 13) </Td> <Td> 5.95 </Td> </Tr> <Tr> <Th> </Th> <Td> Colin Jackson </Td> <Td> 20 September 2006 (2006 - 09 - 20) </Td> <Td> 5.19 </Td> </Tr> <Tr> <Th> </Th> <Td> David Tennant </Td> <Td> 27 September 2006 (2006 - 09 - 27) </Td> <Td> 5.75 </Td> </Tr> <Tr> <Td_colspan="4"> Tennant traces his paternal roots to the Isle of Mull, and is surprised to find his family came not from the lowlands but the Scottish Highlands . He discovers his maternal grandfather was a star player for Derry City F.C. in the 1930s, and expresses concern when he finds that other relatives were members of the Orange Order . He is disturbed to learn that his great - grandfather played a key role in suppressing Catholics in Derry, Northern Ireland, and that Catholic cousins came under fire on Bloody Sunday . </Td> </Tr>

Who do you think you are theme tune