<Table> <Tr> <Th> #</Th> <Th> Celebrity </Th> <Th> Original air date </Th> <Th> Viewers (millions) </Th> </Tr> <Tr> <Th> </Th> <Td> Paul Hollywood </Td> <Td> 13 August 2015 (2015 - 08 - 13) </Td> <Td> 5.08 </Td> </Tr> <Tr> <Th> </Th> <Td> Jane Seymour </Td> <Td> 20 August 2015 (2015 - 08 - 20) </Td> <Td> 5.14 </Td> </Tr> <Tr> <Td_colspan="4"> Seymour traces the lives of two of her Polish Jewish great aunts during World War II . </Td> </Tr> <Tr> <Th> </Th> <Td> Derek Jacobi </Td> <Td> 27 August 2015 (2015 - 08 - 27) </Td> <Td> 4.68 </Td> </Tr> <Tr> <Td_colspan="4"> Jacobi, a descendant of Huguenots who fled persecution by Catholics, travels to France, where he discovers the horrors his Protestant ancestors faced during persecution . His sixth great - grandfather Joseph de la Plaigne, a prominent financier of Louis XIV, lived as a covert Protestant following the revocation of the Edict of Nantes in 1685 . He was uncovered and imprisoned by the king in the Château de Loches in 1701 . He apparently bribed his way out of prison the next year and fled to London . In 1708, two years before his death, the 70 - year - old de la Plaigne married fellow Huguenot Salomé de la Bastide, sister of Colonel Armand de la Bastide, and 45 years his junior . In 1709 they had a son, Guillaume, who was baptised with William Cavendish, 2nd Duke of Devonshire as his godfather . Guillaume anglicised his name to William Laplain and was chaplain to the Dukes of Devonshire . </Td> </Tr> <Tr> <Th> </Th> <Td> Jerry Hall </Td> <Td> 3 September 2015 (2015 - 09 - 03) </Td> <Td> 4.38 </Td> </Tr> <Tr> <Th> 5 </Th> <Td> Gareth Malone </Td> <Td> 10 September 2015 (2015 - 09 - 10) </Td> <Td> 4.56 </Td> </Tr> <Tr> <Th> 6 </Th> <Td> Anne Reid </Td> <Td> 17 September 2015 (2015 - 09 - 17) </Td> <Td> 4.70 </Td> </Tr> <Tr> <Th> 7 </Th> <Td> Frank Gardner </Td> <Td> 24 September 2015 (2015 - 09 - 24) </Td> <Td> 4.41 </Td> </Tr> <Tr> <Th> 8 </Th> <Td> Anita Rani </Td> <Td> 1 October 2015 (2015 - 10 - 01) </Td> <Td> 4.38 </Td> </Tr> <Tr> <Th> 9 </Th> <Td> Mark Gatiss </Td> <Td> 8 October 2015 (2015 - 10 - 08) </Td> <Td> Unknown (under 3.80) </Td> </Tr> <Tr> <Th> 10 </Th> <Td> Frances de la Tour </Td> <Td> 22 October 2015 (2015 - 10 - 22) </Td> <Td> 3.83 </Td> </Tr> <Tr> <Td_colspan="4"> Actress Frances de la Tour discovers aristocratic lineage . Her great - great - great - great grandmother Maria Elizabeth Adderley, stepdaughter of Robert Hobart, 4th Earl of Buckinghamshire, married captain Alan Gardner in 1796 . They divorced in 1805 after he discovered her affair with Henry Jadis, nephew of the Earl of Strathmore . Lady Gardner had an illegitimate child with Jadis, Henry Fenton Gardner (born in 1802), who was declared illegitimate by the House of Lords in 1825 following the Gardner Peerage Case, in which Henry unsuccessfully attempted to prove he was the rightful heir to the Gardner peerage . De la Tour visits Doddington Hall and Seaton Delaval Hall to find out more about Jadis' mother, the Hon . Sophia Ann (née Delaval), daughter of John Delaval, 1st Baron Delaval . De la Tour discovers Sophia's sad story of becoming pregnant before marriage with Henry, and rushing to marry a man beneath her status, John Jadis . After suffering abuse from a drunken Jadis, Sophia divorced him but became ostracised socially . She developed an addiction to laudanum and died at 38 . </Td> </Tr> </Table> <Tr> <Th> #</Th> <Th> Celebrity </Th> <Th> Original air date </Th> <Th> Viewers (millions) </Th> </Tr> <Tr> <Th> </Th> <Td> Paul Hollywood </Td> <Td> 13 August 2015 (2015 - 08 - 13) </Td> <Td> 5.08 </Td> </Tr> <Tr> <Th> </Th> <Td> Jane Seymour </Td> <Td> 20 August 2015 (2015 - 08 - 20) </Td> <Td> 5.14 </Td> </Tr>

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