Who Do You Think You Are? - Season 11 (2014)

O'Carroll tries to find out the truth about the his grandfather's murder, and tries to track down the men responsible.

Sheridan is keen to know where her musical talent comes from and is soon, hot on the trail of her great-great-grandfather Benjamin Doubleday.

Mary Berry, still going strong at 79, believes she inherits her energy and drive from her father and sets off on a journey to find out more about his family.

Martin Shaw never knew his grandfather, Edwin Shaw, who walked out on his family when Martin's father was just a boy. Martin sets off to find out what happened to this elusive character.

Reggie Yates grew up knowing very little about his father's side of the family. Reggie sets out on the trail of his grandfather, Harry Philip Yates.

Scottish comedian Billy Connolly always believed his history to be from Scotland. He travels to India in the path of his ancestors. He makes the discovery that his great-great-great grandfather played an important role in Indian History.

Twiggy grew up in a close-knit family in London, but her mother told her almost nothing about her relations, not even her grandmother's name.