Richard Osman delves into his Brighton roots and is astonished to learn that one of his ancestors turned amateur sleuth and ended up entangled in one of Brighton’s most notorious murder trials. Show more

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. Show more

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. Show more

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. Show more

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. Show more

Actor Naomie Harris’s dramatic discoveries in this episode inspire her to anger, sadness and tears of joy. Show more

In a first for the series, father-and-son comedy double-act Jack and Michael Whitehall join forces to investigate their family tree. Show more

Oscar-winning actor Kate Winslet follows a rumour of Scandinavian ancestry on her mother's side of the family and is delighted to find that she has Swedish heritage. Show more

Canadian comedian Katherine Ryan’s family history leads her from colonial Nova Scotia and Newfoundland to her English roots in Dorset. Show more

Shirley Ballas investigates a family story that her maternal great-grandmother abandoned her husband and children for a more exciting life in America. Show more

DJ, presenter and former member of boy band JLS, Marvin Humes looks at his Jamaican and his English heritage, finding exceptional stories on both sides of the family. Show more

Robert 'Judge' Rinder follows the story of his grandfather, a Holocaust survivor, as well as investigating the dark mystery surrounding his great-grandfather. Show more

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. Show more

Matt Lucas learns what his late grandmother went through as a Jew in Nazi Germany in the 1930s, and what happened to the family she left behind. He also uncovers a connection to Anne Frank. Show more

Celebrity genealogy series. Ruby Wax journeys to central Europe to learn about the plight of her parents, who fled Vienna and the Nazis for America in 1938. Show more

Ralf Little heads to Orkney to investigate his grandfather Arthur’s role in one of the most important battles of the Second World War. He also finds an international footballer in the family. Show more

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. Show more

Celebrity genealogy series. Paralympic gold medal winner Jonnie Peacock looks back through the generations and ends up captivated by his four-times-great-grandmother. Show more

Lesley Manville is moved to discover a family story of enduring love and is delighted when an ancestor’s involvement in a riot reveals new relatives in Australia. Show more

Celebrity genealogy series. Comedian Lee Mack finds out more about his great-grandfather, who was also a comedian, known as Billy Mac. Show more