5/8. Shirley Ballas investigates a family story that her maternal great-grandmother abandoned her husband and children for a more exciting life in America. Also in HD. [S,AD]
8/8. Celebrity genealogy series. Paralympic gold medal winner Jonnie Peacock looks back through the generations and ends up captivated by his four-times-great-grandmother. Also in HD. [S,AD]
Motherland star Anna Maxwell Martin travels to the small town in Northern Ireland where her father grew up, discovering the dark story of her grandfather's childhood. Also in HD. [S,AD,SL]
Sue Perkins delves into the German branch of her family, uncovering a harrowing tale of refugees fleeing back and forth across east European borders during the Second World War. Also in HD. [S,AD,SL]
7/7. Ed Balls explores his ancestry, investigating a possible link to Nelson's HMS Victory. He also learns about an ancestor who was put on trial at Norwich Castle. Also in HD. [S,AD,SL]
7/7. Ed Balls explores his ancestry, investigating a possible link to Nelson's HMS Victory. He also learns about an ancestor who was put on trial at Norwich Castle. Also in HD. [S,AD,SL]
4/7. Comedian and presenter Joe Lycett manages to find humour everywhere, but apart from his Edwardian great grandad, Joe uncovers a darker family history. Also in HD. [S,AD,SL]
1/7. Comedian Josh Widdicombe embarks on a rollercoaster ride through his extraordinary family history, including a courtier with very personal access to King Charles I. Also in HD. [S,AD,SL]
10/10. Celebrity genealogy series. BBC News presenter Sophie Raworth discovers a tragic but inspiring tale of ancestors who risked everything to move to America. Also in HD. [S,AD]
7/10. Greg Davies explores his Welsh ancestry, identifying a wayward great-grandfather and the deepest Welsh roots anyone could wish for. Also in HD. [S,AD]
6/10. As the 'last of the McKellens', actor and civil rights champion Sir Ian McKellen admits to a degree of melancholy as he delves into his family history. Also in HD. [S,AD]
4/10. Genealogy series. Singer Cheryl discovers a sea-faring ancestor and a family tragedy. She also learns the story of her great-grandfather, who fought in WWI. Also in HD. [S,AD]
3/10. Genealogy series. Liz Bonnin investigates her parents' lineages on the Caribbean islands of Trinidad and Martinique. What she discovers is more complicated than she imagined. Also in HD. [S,AD]
2/10. Celebrity genealogy series. Amanda Holden's investigation into rumoured French ancestry uncovers an extraordinary Napoleonic-era cross-channel romance. Also in HD. [S,AD]
1/10. Celebrity genealogy series. EastEnders actor Danny Dyer sets out to discover the history of his tough working-class family in the East End of London. Also in HD. [S,AD]
6/10. Celebrity genealogy series. Lulu travels to Glasgow to uncover the story of her Catholic grandfather and Protestant grandmother's love affair across the sectarian divide. Also in HD. [S,AD]
5/10. Celebrity genealogy series. Presenter Emma Willis explores her family history, with a marriage in Ireland leading her down two very different paths. Also in HD. [S,AD]
4/10. Celebrity genealogy series. Citizen Khan star Adil Ray traces his mixed Asian and African ancestry on the trail of rumours of a link to African royalty. Also in HD. [S,AD]
3/10. Celebrity genealogy series. Sports broadcaster Clare Balding visits New Jersey and New York, where she uncovers an extraordinary dynasty. Also in HD. [S,AD]
2/10. Celebrity genealogy series. Strictly judge Craig Revel Horwood heads to Australia to investigate what happened to his great-great-great-grandfather. Also in HD. [S,AD]
1/10. Celebrity genealogy series. Actor Charles Dance explores his family history and is determined to learn about his dad, who died when Charles was four. Also in HD. [S,AD]
9/10. Celebrity genealogy series. Actor and writer Mark Gatiss travels to Ireland, where he finds out that his family were storytellers and, allegedly, vampire slayers! Also in HD. [S,AD]
7/10. Celebrity genealogy series. Journalist Frank Gardner was told his family arrived in Britain with the Normans and investigates whether there is any truth in the rumour. Also in HD. [S,AD]
6/10. Celebrity genealogy series. Actress Anne Reid was close to her father but knows very little about his family. She is on the trail of her great-great-grandfather. Also in HD. [S,AD]
5/10. Celebrity genealogy series. Choirmaster Gareth Malone sets out to find out more about how far back his family's passion for music goes. Also in HD. [S,AD]
4/10. Celebrity genealogy series. Jerry Hall knows her father's family were originally from Oldham but wants to find out how they ended up in America. [S,AD]
3/10. Celebrity genealogy series. Actor Derek Jacobi grew up in Walthamstow, but a clue in his mother's family tree hints at a more colourful past in France. [S,AD]
2/10. Celebrity genealogy series. Actress Jane Seymour discovers what happened to her Polish great-aunts, Jadwiga and Michaela, during the Second World War. [S,AD]
1/10. Celebrity genealogy series. Baker Paul Hollywood finds out about his grandfather's experiences in World War II, serving as an anti-aircraft gunner. [S,AD]
8/10. Warwick Davis takes a non-judgemental approach as he researches the family line stretching back from his grandmother, finding humanity and humour in some uncomfortable stories. [S]
10/10. Celebrity genealogy series. 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. [S]
9/10. Celebrity genealogy series. Scottish comedian and actor Billy Connolly travels to India in the footsteps of his army ancestors and makes an extraordinary discovery. [S]
8/10. Celebrity genealogy series. Presenter and DJ Reggie Yates unravels a complex family history where Ghanaian culture and British colonialism collide. [S]
7/10. Celebrity genealogy series. Actor Martin Shaw investigates the story of his grandfather, Edwin Shaw, who walked out on his family when Martin's father was just a boy. [S]
8/8. Former TOWIE star Mark Wright discovers that his ancestors included an Andalucian master swordsman and a Spaniard who was burned at the stake during the Inquisition. [S,AD,SL]
7/8. Sharon Osbourne uncovers the difficult circumstances of her mother's and grandmother's lives, and is stunned to learn that her great-grandmother was born in the US. [S,AD,SL]
6/8. Paul Merton traces the life of his maternal grandfather and discovers that he was involved in some of the key events that led to Irish independence in the 1920s. [S,AD,SL]
6/10. Celebrity genealogy series. Bake Off star Mary Berry believes she inherits her energy from her father and sets off on a journey to find out more about his family. [S,AD]