Who Do You Think You Are?Episodes Episode guide

Series 22
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A host of stars investigates their family histories.
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Series 21
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Stars delve into their family history to find moving, funny and extraordinary stories.
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Series 20
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Celebrities trace their ancestry, discovering secrets and surprises from their pasts.
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Series 19
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Celebrities trace their ancestry, discovering secrets and surprises from their pasts.
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Series 18
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Celebrities trace their ancestry, discovering secrets and surprises from their pasts.
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Series 17
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Celebrities trace their ancestry, discovering secrets and surprises from their pasts.
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Series 16
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Celebrities trace their ancestry, discovering secrets and surprises from their past.
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Series 15
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Celebrities trace their ancestry, discovering secrets and surprises from their past
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Series 14
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Celebrities trace their ancestry, discovering secrets and surprises from their past
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Series 13
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Celebrities trace their ancestry, discovering secrets and surprises from their past
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Series 12
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Celebrities trace their ancestry, discovering secrets and surprises from their past
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Series 11
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Celebrities trace their ancestry, discovering secrets and surprises from their past
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Who Do They Think They Are?: 10 Years, 100 Shows
The genealogy show celebrates ten years and 100 episodes in a one-off special.
Series 10
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Celebrities trace their ancestry, discovering secrets and surprises from their past
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Series 9
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Celebrities trace their ancestry, discovering secrets and surprises from their past
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Series 8
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Celebrities trace their ancestry, discovering secrets and surprises from their past
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Series 7
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Celebrities trace their ancestry, discovering secrets and surprises from their past.
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Series 6
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Celebrities trace their ancestry, discovering secrets and surprises from their past
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Series 5
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Celebrities trace their ancestry, discovering secrets and surprises from their past
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Series 4
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Celebrities trace their ancestry, discovering secrets and surprises from their past.
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Series 3
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Celebrities trace their family heritage.
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Series 2
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Series in which celebrities trace their ancestry discovering secrets from their past
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Series 1
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Series in which celebrities trace their family history
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Series 23
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Eight celebrities investigate their family histories.
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Nicky Campbell
Nicky Campbell traces the history of his adoptive family.