In Holland and Germany, Rory Bremner delves into the wartime experiences of the father he didn't know very well.

Fiona Bruce discovers the sad truth behind her great-grandfather's mysterious death, and returns to her family's ancestral home.

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Actress Zoe Wanamaker traces the roots of her family back to the Ukraine via America and the anti-communist witch-hunt that caused her father Sam to flee to the UK.

Actor Kevin Whately discovers that his ancestors were amongst the richest and most powerful men of the 17th century.

Davina McCall makes some intriguing and shocking discoveries as she delves into her family's past, hoping to learn more about her maternal French heritage.

Known for his outspoken views, Radio 1 DJ Chris Moyles finds himself getting unexpectedly emotional as he goes back to his Irish roots.

TV presenter Kate Humble knows little about her family history. What she does know is that her paternal grandfather was a test pilot, and she believes her maternal grandfather ended up in Colditz. On the trail of her grandfather Bill Humble, who was a test pilot during the Second World War, Kate visits the RAF Museum. She is astonished to discover what a legend Bill was in flying circles, and is amazed to see his daredevil flying for herself in archive film held there.

Actor and comedian David Mitchell goes in search of his Scottish roots.

Liverpool-born Kim Cattrall sets out to solve a family mystery that has endured for more than seventy years, the disappearance of her grandfather.

With his dad having died when he was 10 and his parents having divorced some years before, Martin Freeman tries to find out the paternal side of his family history.

During her search to find out if she is a real EastEnder, June unravels her Jewish heritage, and discovers how momentous historical events shaped her family's destiny, forcing them to migrate across Europe.

In a rare television appearance, best-selling Harry Potter author JK Rowling sets out to investigate her French roots.

The former Olympic gold medal winner sets out to discover if there is any truth in his grandmother's claims that the family's origins were once quite grand.

Actor Larry Lamb sets out to learn about his biological grandparents.

Silent Witness star Emilia Fox tries to find out how far back her family's acting roots go.

Alan Carr explores his family's football connection and his grandfather's brush with fame.

Bee Gees singer Robin Gibb discovers how his paternal great-grandfather rose from poverty to become a decorated soldier, and heads to Paisley, Renfrewshire, to investigate a mysterious family breakdown.

Richard Madeley sets out to learn more about the Canadian side of his family.

Strictly Come Dancing judge Len Goodman investigates his mother's family.

Tracey knows very little of her maternal line, and is keen to find out more about her East End roots

Samantha Womack is best known for playing Ronnie Mitchell in EastEnders. Sam's parents separated when she was young, and she grew up with only a fractured sense of her family history. Sam starts her journey by looking into the military career of her great grandfather, Alexander Cunningham Ryan.

Gregg Wallace sets out to solve a long-standing family mystery: what happened to his great-grandfather, Henry Roland Springett, who abandoned his wife and children, including Gregg's grandfather, and was thought to have deserted the Navy?

Sir Patrick Stewart's memory of his late father, Alfred Stewart, is scarred by recollections of domestic abuse. In this deeply personal and moving film, Patrick investigates his father's extraordinary war career, and discovers the shocking impact it had on his character.

Eurythmics singer and political activist Annie Lennox, whose grandmother's father died when she was only three, knows little about this branch of the family. Annie's episode uncovers an extraordinarily dark tale of tangled family relationships blighted by illegitimacy and poverty. On her journey, Annie also discovers the humiliation her unmarried great, great grandmother suffered before the Scottish church.