Who Do You Think You Are?

TV and radio presenter Nicky Campbell was adopted a few days after being born in 1961. Having already traced his biological parents some years later, Nicky now decides to trace the history of his adoptive family. He learns about his father Frank's experiences as an officer in Burma during the Second World War, and travels to his grandfather's birthplace in Brisbane, Australia.

The genealogy show celebrates ten years and 100 episodes with a look back at the outstanding moments of the award-winning series. This one-off special features the shocks, surprises, tears and laughter that have marked the 100 celebrities' extraordinary journeys into their family histories. It remembers the dramatic highlights, from Jeremy Paxman's tears to Boris Johnson's astonishment at his incredible royal connections, as well as the sometimes inadvertently funny bits.

Sarah Jessica Parker is a celebrated icon in film and television as well as fashion, who recently served as a producer and reprised her Emmy Award-winning role as Carrie Bradshaw for the screen adaptation of the hit HBO series "Sex and the City." The actress took an emotional journey from coast to coast in search of her family's roots, crossing paths with the California Gold Rush and the Salem Witch Trials.

Emmitt Smith is an NFL Hall of Fame running back who, since retirement, has devoted himself to business and giving back to the community. But recently, he decided to embark on a journey inward, tracing his family's past. It was a journey that took him beyond his wildest expectations, discovering not only his African roots, but his connections to slave owners in Virginia.

Lisa Kudrow journeys to the small Jewish town of Ilya where she discovers how her great-grandmother died in the Holocaust. Yet, Lisa finds hope when she uncovers a 60-year old family mystery.

Vanessa Williams sets out on a journey to find out if her ancestors were also trailblazers.

The country music superstar uncovers his father's heritage among the Founding Fathers.

The search for her mother's roots takes Rosie to Ireland, and uncovers a new branch of the family.

Actor Martin Sheen traces his family tree, hoping to find his ancestors shared his love of activism; Martin discovers a family secret from the 1700s.

Actress Marisa Tomei travels to Italy to uncover the truth about her great-granddather's death.

Actor Blair Underwood utilizes a DNA test to dig deeper into his family's roots, where he discovers the secret of his family's origin.

Singer Kelly Clarkson explores her lineage and uncovers an ancestor deeply rooted in American history; she comes face-to-face with her 3x great grandfather's wartime bravery and sacrifice.

Actress Christina Applegate investigates her paternal grandmother - a stranger to her and her father. Uncovering dramatic details along the way, Christina gains insight into the life and hardships of the woman she and her father loved, but never knew.

Media mogul Chelsea Handler confronts a deep family secret: her Grandfather’s rumored Nazi past. As she dives into her family’s struggle to survive in a desperate time, the details uncovered will finally confirm or deny his affiliation to the dark regime.

Television personality Julie Chen uncovers a dramatic tale when she sets out for rural China to learn more about her maternal grandfather, who died long before she was born.

Singer Josh Groban traces his ancestry to Germany and discovers a relative who was a deacon, music teacher and well-known astronomer.

Actress Angie Harmon discovers an ancestor who gave up his freedom to come to America and fought for independence at a pivotal point in history.

In the Season 7 premiere, Ginnifer Goodwin hopes to connect her father with the grandparents he never knew, and uncovers a dark side of her family tree that includes instability and drug addiction.

JK Rowling sets off on a journey to uncover her maternal French roots. She stumbles upon a family mystery, and uncovers a harrowing tale of wartime heroism, then discovers the actions of a brave ancestor.

Alfre Woodard investigates the paternal side of her family and explores the origins of her surname.

Aisha Tyler's journey reveals an ancestor who, as a politician, struggled to keep his illegitimate son a secret. Against all odds, her 2x great-grandfather exemplifies bravery and determination during one of America's most tumultuous eras of racism.

Tracing his patriotic roots, Scott Foley finds a relative who risked his life for one of America’s founding fathers, and an ancestor who suffered unspeakably during one of this nation’s darkest times.

Katey Sagal has an emotional and insightful meeting with her mother's friend and fellow USO performer. Katey also finds a surprising link to the Amish and uncovers the harrowing story of her relative's daring escape from attackers.

Courteney Cox traces her maternal line back to ambitious and ruthless relatives who plotted and murdered their way to power in medieval times; and she's shocked to discover an ancestor who's one of European history's most famous characters

Julie Bowen makes a shocking discovery that a beloved relative lead a nefarious organization that triggered a dark chapter of U.S. history; and uncovers another ancestor who risked everything to fight for the lives and freedom of African Americans.

Jennifer Grey discovers much more about the grandfather she thought she knew as she uncovers how he survived adversity to become a beacon of his community; and discovers a great-grandmother whose devastating tragedy stopped her from making it to America.

Jon Cryer's journey takes him from America to Scotland as he uncovers the dramatic tale of an ancestor who survived a catastrophic battle, endured horrific conditions as a prisoner of war, and was forced to come to America as an indentured servant.

Actress and activist Laverne Cox pieces together the inspiring life of her African American ancestor, who challenged societal norms and bravely pushed the boundaries just years after Emancipation.

Megan Mullally explores a shocking pattern of dysfunction in her father's line; she finds her two-times great grandmother was bravely defying societal norms in order to fight for her family's survival, while struggling to hang on to her own sanity.

Actress Mandy Moore is shocked to discover ancestors who lived in Australia and travels far, determined to unlock the mystery of how they got there. Moore is touched by the courage of those who made the journey and the sacrifice of those who were left behind.

Actor Josh Duhamel travels to England to investigate the extraordinary life of his twelve times great-grandfather and uncovers an astonishing, dark twist of interrogation and torture that rocks his belief system to the core.

Actress Regina King investigates her maternal family tree and uncovers an ancestor who was a passionate civil rights activist in Alabama; a man who came out of slavery, endured horrific violence, but never stopped fighting for his people.

EastEnders actor Danny Dyer hopes that he will 'freak a few people out' with his family history. Danny sets out to discover the history of his tough working-class family in the East End of London, but in the process he unearths an extraordinary lineage stretching back to the Norman conquest.

Amanda Holden has always heard stories about a rumoured French ancestry on her mum's side, and her investigation uncovers an extraordinary Napoleonic-era cross-channel romance. On her dad's side, Amanda's grandfather's suicide has always loomed large. But when his story takes Amanda to France once again, she is moved to discover how he helped others through a harrowing tragedy.

Wildlife presenter Liz Bonnin describes herself as 'a mongrel' - the result of her parents' lineages on the Caribbean islands of Trinidad and Martinique. In Trinidad, she goes in search of the first of her maternal ancestors to arrive on the island from India. Liz then heads to Martinique where her paternal ancestors are said to have owned plantation - and slaves. What she discovers is more complicated than she could have ever imagined.

Actor Charles Dance has made his name playing aristocrats, including Tywin Lannister in HBO's Game of Thrones. But the upstairs world Charles inhabits on screen is nothing like his own background as his mum was an under house parlour maid. Charles wants to know if he comes from a long line of servants or if he can uncover some grander origins. He is also determined to learn about his dad, who died when Charles was four. Charles knows hardly anything about him, not even when he was born. Charles's search for information takes him to the other side of the world to meet close relatives he never knew he had.

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. A visit to his beloved 100-year-old grandmother sends Craig in pursuit of another maverick ancestor. Craig's great-great-grandfather Harry turns out to have been the life of the party and, better still, a fabulous dancer.

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?' Getting to the truth of the matter is a challenge when all the evidence comes from a time when homosexuality was illegal. Digging into her father's side of the family takes Clare to New Jersey and New York, where she uncovers an extraordinary dynasty and American roots stretching back generations.

Our Girl actress Michelle Keegan uncovers some exceptional women on her family tree. On her mother's side Michelle discovers that her Gibraltarian great-grandmother Leonor had to up sticks when all women and children and the elderly were evacuated from harm's way in Gibraltar to the apparent safety of London during the Second World War, a month before the start of the Blitz.Further back, Michelle discovers her great-great-grandmother Elizabeth Kirwan living in poverty in Manchester at the start of the 20th century. Michelle unearths a special connection to suffragette Emmeline Pankhurst and her great-great-grandmother's commitment to the cause that put her name on the electoral roll - voting for the very first time in 1918.

Actress Olivia Colman claims to be 'the least adventurous person I know.' As for her ancestors, apart from a rumour that there was a Frenchwoman somewhere in her family tree, Olivia thinks they are largely from Norfolk, so she is astonished to discover that she needs to travel to India to find out more about her great-great-great-grandmother Harriot. Olivia finds records that reveal Harriot was an orphan in 1811 on a ship bound for England from (then) Calcutta. Harriot's father was an Englishman, but the identity of her mother, who gave birth to her in a remote Indian village, is a mystery Olivia delights in solving.

Comedian Lee Mack was born Lee McKillop in the north of England, just like his McKillop great-grandfather, who was also a comedian, known as Billy Mac. Lee has a few playbills from Billy Mac's variety hall performances, but knows little more about him. Not long into his journey, Lee discovers that his great-grandfather was passionate about more than making people laugh. Billy Mac joined the first ever pals battalion in Liverpool at the start of the First World War and honed his act at the front lines in the Battle of the Somme. Lee is also curious about his maternal grandad Joe's upbringing - deserted by his unwed mother and raised by his grandparents in County Mayo at the time of the Irish Civil War.

'Harry Potter' star Daniel Radcliffe discovers that the Hatton Garden robbery of his great-grandfather’s jewellery business was far more dark and dramatic than he ever imagined, while an unseen cache of his great-great-uncle’s letters reveals a heart-wrenching First World War love story.

Actor Naomie Harris’s dramatic discoveries in this episode inspire her to anger, sadness and tears of joy. On a journey from Trinidad to Grenada to Jamaica, Naomie exposes her four-times-great grandfather’s involvement in the exploitation of so-called 'liberated Africans' shortly after the abolition of slavery, is delighted to discover the identify of her African five-times-great grandmother, and, in nearer generations, uncovers a family story of tragic poverty in Jamaica’s capital, Kingston.

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

Doctor Who actor Jodie Whittaker finds out how her great-great-grandfather worked his way up from child labourer in a Yorkshire coal mine to mine owner.

David Walliams learns of his great-grandfather’s traumatic experiences during the First World War, which condemned him to a lifetime in what was then called a lunatic asylum.

Actor Ruth Jones - Nessa from Gavin and Stacey - uncovers her grandfather's role in the Medical Aid Societies of south Wales, which provided a model for the NHS.

Comedian Josh Widdicombe embarks on a rollercoaster ride through his extraordinary family history. After a less than promising start with an ancestor who was cut out of the family fortune, Josh is delighted to discover a courtier with very personal access to King Charles I. From there it’s a dizzying journey back to Elizabethan and Tudor nobility by way of a royal love triangle, through an incredible ancestral line that prompts Josh to ask the expert he meets, 'Be honest. As a historian, are you really jealous?' English

Shakespearean actor, movie star and national treasure Dame Judi Dench's journey begins with her father Reginald Dench, who never spoke of his experiences during the First World War, as she tries to find out how he won his gallantry medals. Judi’s investigations then take a truly epic turn, leading her to 16th-century Denmark and nobility. Judi also discovers, to her delight, some incredible Shakespearean links.

Presenter and former footballer Alex Scott learns about her Jewish ancestry and travels to Jamaica for the first time in her life to find out about her great-great-grandmother.

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.

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.

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.