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
Worthy of a film plot line, Andrew Garfield’s family history takes him from Nazi-occupied Poland to early Hollywood glamour as he uncovers stories which veer from tragedy to hope.
Directed by Helen NixonGuest stars Andrew Garfield
Episode 2
In an unexpected twist, Mishal Husain’s journey into her family tree takes her from India to the east coast of the USA, where she discovers some revolutionary ancestors.
Directed by Harvey LilleyGuest stars Mishal Husain
Episode 3
Ross Kemp's ancestral detective hunt leads to a marine drummer boy from the Napoleonic era and his great-grandfather’s experiences in the merchant navy during two world wars.
Guest stars Ross Kemp
Episode 4
Actor Layton Williams finds generations of Londoners in his family and is delighted to find they walked the same streets as him. In Jamaica, he makes some distressing discoveries.
Guest stars Layton Williams
Episode 5
Comedian Aisling Bea finds moments of genuine connection in her family tree, with stories of female resilience and a relative who fought for Irish independence and culture.
Guest stars Aisling Bea
Episode 6
From the French battlefields of the First World War to a romance worthy of First Dates, maître d’ and presenter Fred Sirieix goes to France to explore his family tree.
Guest stars Fred Sirieix
Episode 7
Will Young learns about his grandfather’s time as a prisoner of war in World War II. Delving further back, Will finds a connection to one of medieval history’s biggest villains, and a king.
Guest stars Will Young
Episode 8
Setting aside her clueless historian persona Philomena Cunk, Diane Morgan is unsettled and amused by having to genuinely go in search of the truth to reveal her family history.
Guest stars Diane Morgan
Episode information updated Jul 23, 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