Who Do You Think You Are?
Who Do You Think You Are? is a TV show on Yesterday. Lost connections and unfamiliar histories are revealed as celebrities trace their family trees. Discover stories of courage, joy, sacrifice and resilience - everyone has a tale to tell. The program has been available since 2024. A total of 25 episodes have been broadcast, most recently in June 2025.
Last episode
Who Do You Think You Are?
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.
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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.
From the French battlefields of the First World War to a romance worthy of First Dates, maitre d’ and presenter Fred Sirieix goes to France to explore his family tree.
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.
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.
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.
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.
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.
Series 18
YouTuber Joe Sugg aptly discovers that one of his ancestors was involved in one of the earliest forms of communications technology, electrical telegraphs. Another survived the Great Fire of London.
Series 8
Celebrity genealogy series. National treasure June Brown unravels her Jewish heritage and discovers how momentous historical events shaped her family's destiny.
Series 3
Barbara Windsor traces her maternal grandfather to the east London docks and discovers that she's related to the artist Constable.
Series 18
Singer Pixie Lott has heard that she may have Italian ancestry from Verona, but instead she discovers ancestors battling poverty in London and three generations of military musicians.
Series 16
Sharon Osbourne uncovers the difficult circumstances of her mother’s and grandmother’s lives, and is stunned to learn that her great-grandmother was born in the US.
Former TOWIE star Mark Wright discovers that his ancestors included an Andalucian master swordsman and a Spaniard who was burned at the stake during the Inquisition.
Series 15
Shirley Ballas investigates a family story that her maternal great-grandmother abandoned her husband and children for a more exciting life in America.
Series 20
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.
Series 18
Judi Dench begins her journey by trying to find out how her father won his gallantry medals during the First World War. Her investigations then lead her to 16th-century Denmark.
Series 21
Gemma Collins goes on an emotional journey, discovering why her mother was fostered, connecting with a long-lost cousin and finding out her Essex roots go back over 200 years.
Olly Murs explores his grandfather’s Latvian roots and discovers his great-grandparents were circus performers, and how a wartime decision led to a tragic family estrangement.
Jessica Ennis-Hill discovers the truth behind a family mystery and finds out about her Jamaican four-time great-grandfather’s journey from enslavement to land ownership.