Actor Charles Dance has made his name playing upper-crust gents, a far cry from his own background. The search for information about his father takes Charles to the other side of the world.

Strictly judge Craig Revel Horwood reveals his softer side. Heading to his home town of Ballarat in Australia, Craig investigates what happened to his great-great-great-grandfather who risked everything in the Australian Gold Rush.

Sports presenter and broadcaster Clare Balding has always been curious about her maternal great-grandfather and the 'thing that has been sort of whispered in the family - could he have been gay?'

Citizen Khan star Adil Ray identifies as Brummie, British, Muslim, Pakistani and African - his mum came to England from newly independent Kenya with her family in 1967.

Presenter Emma Willis grew up in Birmingham and loves the city and her fellow Brummies. She wants to find out how deep her roots are there.

Lulu travels to Glasgow to uncover the story of her Catholic grandfather and Protestant grandmothers love affair across the sectarian divide.

Fearne Cotton learns about her Welsh great-grandfather who worked down a coal mine at 13 and ended up as a chemist.

Actor and film-maker Noel Clarke visits the Caribbean to learn more about his family.

Actress Lisa Hammond wants to get to the bottom of why her grandfather never spoke about his experiences in World War II.

Comedian Ruby Wax researches her parents' history and her mother's mental illness, which takes her back to 1938 and Nazi-occupied Austria.

In a special edition of the show, screened as part of the BBC's Hear Her Season, actress Michelle Keegan discovers her link to Gibraltar and connections to Italy and the Suffragettes.

Olivia knows a lot about her father's family in Norfolk so investigates her mother's side. This results in a very romantic story that includes divorce, illegitimacy, and travel to and from India.

Comedian Lee Mack researches his great-granddad Billy Mac, supposedly also known for his humour. However, his investigation leads him to World War I and a family secret.

Singer Boy George traces his Irish roots.

Famous dancer Shirley Ballas discovers the truth about her maternal great-grandmother, the supposed black sheep of the family. She also investigates a family rumor that some of her ancestors from the slavery era were black.

Musician Marvin Humes discovers shocking dark secrets about some of his Jamaican ancestors.

In this moving episode TV's Robert "Judge" Rinder follows the story of his grandfather, a Holocaust survivor, hearing first hand testimony of the horror of Nazi forced labour camps as well as of the hope offered by a new life in Lake Windermere. Investigating the dark mystery surrounding his great-grandfather leads Robert to a small town in Latvia, where he uncovers a story of mental illness and trauma which will ultimately, he hopes, lay some ghosts to rest.

Paralympian Jonnie Peacock looks back through the generations and ends up captivated by his four-times-great grandmother.

Daniel find out his Jewish ancestor was accused of fraud at a time when being Jewish, was seen as an outsider though out Europe hate speech was on the rise. He's grandfather on his mothers side owned a jewelry shop in London and after fire his grandfather was main suspect making him feel like there was not was out he wrote a note and took his own life. He also follows up on Irish ancestry.

On a journey from Trinidad to Grenada to Jamaica, Naomie learns of an ancestor's involvement in the exploitation of so-called 'liberated Africans' shortly after the abolition of slavery, discovers the identity of her African five-times-great grandmother and uncovers a tale of poverty in Kingston, Jamaica.

The origins of his familial wealth resulted in the discovery of a rich businessman who had adopted his great-grandfather after his father died in an Trap (carriage) accident and his mother died of syphilis and was classed a lunatic. Their great grandfather not a Whitehalls but Thomas Jones Phillips was an anti-democratic Conservative Party members determined to squash working-class rights of the welsh. His ancestor was part of a Conservative movement that prevent the working classes leader John Frost (Chartist) from earning the right to vote and helped bring down the local hero, who spread democracy through early Victorian Wales. While he read the Riot Act from the Westgate Inn, Phillips was shot but not killed. In retaliation they fired on the crowd killing 20 plus people. Phillips helped in the arrest of John Frost and gave evidence at his subsequent trial in Monmouth resulting in him being sentenced to death but latter transportation for life to Australia.

Kate finds out her she has Scandinavian heritage and they come from Sweden and her great great great grandfather Andrew johns son was found guilty of stealing potatoes for food and had previous of stealing beehive. He was sentenced to being whipped for his crime by the whipping never took place due to his death. His son however did not follow his path but trained to become a tailor and moved to London for work. On her mother Irish side a grenadier guards drummer called William colquhounin worked at Buckingham palace and he become major and gave out punishment whipping those who stepped out of line, but had started from the bottom at age 11 and had a clean record. After service move to Devon and become Dartmoor's prison warden. Kate also tells of her childhood growing up in Devon and speaks openly about how she did not come from money growing up in reading.

Ryan discovery she is more Canadian than she thought and that she has three generation in Canada and says she looks nothing like the male ancestor as that boat has sailed. They then show her paintings of two of her relatives in Nova Scotia, cod traders in Newfoundland and links direct to Dorset and a pub called the ship which has since been renamed.

Paul's grandfather's death shocked his gran goes in to early labor, she lost the baby and her life - leaving Paul's mum an orphan but Paul discovered his grandfather fell in to a canal with suspected heat attack. Paul looks in to his English father Albert's side and finds out they were singers and played banjo buskers on the streets of London in Victorian times and a street disagreement was accused of assault involving a banjo and was imprisoned. on his mothers side, his grandfather quit the British Army and joined the IRA even sending back his army medal, he was part of the road to Irish independence.

Sharon follows the story of her grandparents discovering what they got up to during wartime and she traces the steps of her great grandparents as they settled in America and how tragedy brought her grandmother to England.

Mark Wright, an entertainment reporter and former footballer finds, out his grandfather's family come from Spain. Mark learns he was related to a sword fighter, who was tortured during the Spanish Inquisition because of his Jewish faith.

The actress learns how her grandmother on her dad's side, Greta, acquired the middle name Verdun. On her mum's side, Jodie discovers how her great-great-grandfather worked his way up from child labourer in a coal mine to owning one.

Comedian David Walliams learns about his great-grandfather on his father's side, a tragic shell-shocked World War One veteran, and his great-great-grandfather on his mother's side, a blind organ grinder turned successful traveling showman.

Actress and screenwriter Ruth Jones returns to her Welsh seaside hometown to explore the fascinating family line of her great great great grandfather on her mother's side, a hardworking 19th century merchant ship captain from New Quay, and the highly successful and noble, yet cruelly ironic career of her grandfather on her father's side who worked as the secretary for the Medical Aid Society, a self-financed workers' healthcare organization which directly inspired the formation of the NHS only to eventually end up getting disbanded by the government as superfluous.

Actress Liz Carr learns about her orphaned grandfather on her mother's side, a naval WWI veteran involved in the Northern Patrol who joined the merchant navy after the war to see the world, and her paternal Irish great-great-great-grandfather, a revered tenant farmer involved in a Ribbonist plot to assassinate the local wealthy landlord, unsympathetic to his tenant farmers' plight, in rural Northern Ireland in the 1850s.

Josh discovers the reality of a family legend claiming connections to a famous banking family. He also learns of how his ancestors had close connections to royalty.

Celebrated actress Judi Dench learns about her beloved father's time in WWI and her mother's Danish ancestors which takes her on a profound Shakespearean journey.

Sports presenter, pundit, and former professional footballer Alex Scott learns about her West Indies ancestors.

Comedian Joe Lycett learns about his funny and not so funny ancestors.

Musician Pixie Lott learns about her musical ancestors.

YouTuber Joe Sugg learns about his ancestors' struggle to rise in society during the telegraph era.

Former politician Ed Balls learns the dark and tragic story of his troubled ancestors.

Music impresario Andrew Lloyd Webber is astonished to uncover stories from his family's history that uncannily parallel his own life, including an ancestor with a famous cello-playing brother.

As actress Claire Foy delves into her family tree, the personal testimony she uncovers reveals stories of tragedy and an accusation of murder that bring communities together.

Adventurer Bear Grylls discovers the stories behind the top secret documents hidden in his grandfather's wartime trunk and is delighted by a Scottish royal connection.

Strictly Come Dancing professional Kevin Clifton investigates the rumour of an ancestor from Canada's First Nations, taking him on an extraordinary journey to the country's remote 18th-century trading posts.

Doctors Chris and Xand van Tulleken discover more about their Dutch heritage. Their research uncovers stories of ambition and true love but also a connection to a shameful part of history.

Actress and comedian Emily Atack has showbiz in her genes - Paul McCartney is her grandma's cousin. Delving into her family tree reveals a rich musical heritage, a famous whistling aunt and a tragic accident.

Born to an Irish mother and Jamaican father, radio presenter Dev Griffin learns about his ancestry, including momentous stories from Ireland and some very personal details from his great-grandparents' lives in Jamaica.

Comedian Chris Ramsey has always felt lucky, so he's delighted to learn it runs in the family as he uncovers the stories of ancestors who survived a deadly WWI battle and won an unusual lottery.

Actress 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.