TV series
A British genealogy documentary series in which celebrities trace their ancestry, discovering secrets and surprises from their past.
Availability
Checked Jul 22, 2026
Who Do You Think You Are? premiered October 12, 2004. We don't have a confirmed streaming, rental or purchase option yet.
A British genealogy documentary series in which celebrities trace their ancestry, discovering secrets and surprises from their past.
Choose an episode, then use the watch options above for the show.
Episode 1
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.
Guest stars Danny Dyer
Episode 2
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.
Guest stars Amanda Holden
Episode 3
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.
Guest stars Liz Bonnin
Episode 4
Singer Cheryl traces her roots and discovers a sea-faring ancestor and a family tragedy.
Guest stars Cheryl
Episode 5
Celebrity genealogy series. Ricky Tomlinson is well-known for playing the archetypal Scouser and it turns out that his Liverpool roots run deep. Ricky discovers that he comes from generations of carters, who transported goods on Liverpool's docks when the city was the British Empire's busiest port. Ricky's rage and sorrow build as he discovers how dangerous conditions were for his ancestors, eerily echoing his own fight for workers' rights in the 1970s.
Guest stars Ricky Tomlinson
Episode 6
As the 'last of the McKellens', Sir Ian admits to a degree of melancholy as he delves into his family history. But the results pay off richly for one of Britain's greatest actors and civil rights champions. Ian's journey uncovers a theatrical ancestor, a Victorian political activist and a link to an ancient Druidical landmark in the Lake District.
Guest stars Ian McKellen
Episode 7
Greg Davies uncovers the deepest Welsh roots anyone could wish for.
Guest stars Greg Davies
Episode 8
Actor Warwick Davis owes his big break aged 11 to his paternal grandmother Edith, who heard a radio ad 'looking for short people to appear in Return of the Jedi'. Warwick takes a non-judgemental approach as he researches the family line stretching back from Edith, finding humanity and humour in some uncomfortable stories. On his maternal side, Warwick is equally open-minded when he finds out about his three-times-great-grandfather - a postman who lived a double life.
Guest stars Warwick Davis
Episode 9
Actor Sunetra Sarker sets out to explore her Bengali heritage.
Guest stars Sunetra Sarker
Episode 10
BBC News presenter Sophie Raworth investigates her father's side of the family, and discovers a tragic but inspiring tale of ancestors who risked everything to move to America in search of religious freedom. Closer to home, she explores a family rumour that her great grandfather worked at Kew Gardens, and is astonished to uncover a horticultural heritage stretching back to the 1700s and pineapples.
Guest stars Sophie Raworth
Episode information updated Jul 24, 2026
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Angela GriffinSelf - Narrator
David BaddielSelf
Amanda RedmanSelf
Robert LindsaySelf
David DickinsonSelf
Ian HislopSelf
Jeremy ClarksonSelf
Vic ReevesSelf
BBC OneUnited Kingdom
BBC TwoUnited Kingdom
Wall to WallUnited Kingdom