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The Best Episodes of Who Do You Think You Are? Season 17

Every episode of Who Do You Think You Are? Season 17 ranked from best to worst. Discover the Best Episodes of Who Do You Think You Are? Season 17!

Binge this in 4h 0m•Peaking at 8.3/10

A British genealogy documentary series in which celebrities trace their ancestry, discovering secrets and surprises from their past.

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Episode Rankings

  1. #1 Fan Favorite
    Who Do You Think You Are? Season 17 Episode 2 - David Walliams
    8.3/10(62 votes)

    S17:E2

    David Walliams learns of his great-grandfather’s traumatic experiences during the First World War, which condemned him to a lifetime in what was then called a lunatic asylum.

    Director:Unknown
    Writer:Unknown

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  2. Who Do You Think You Are? Season 17 Episode 4 - Liz Carr
    6.6/10(60 votes)

    S17:E4

    Silent Witness actor Liz Carr gets forensic about her family history, discovering that her great-great-great-grandfather was involved in an attempted murder in rural Northern Ireland in the 1850s.

    Director:Unknown
    Writer:Unknown

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  3. Who Do You Think You Are? Season 17 Episode 3 - Ruth Jones
    6.3/10(62 votes)

    S17:E3

    Actor Ruth Jones - Nessa from Gavin and Stacey - uncovers her grandfather's role in the Medical Aid Societies of south Wales, which provided a model for the NHS.

    Director:Unknown
    Writer:Unknown

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  4. Who Do You Think You Are? Season 17 Episode 1 - Jodie Whittaker
    4.9/10(78 votes)

    S17:E1

    Doctor Who actor Jodie Whittaker finds out how her great-great-grandfather worked his way up from child labourer in a Yorkshire coal mine to mine owner.

    Director:Unknown
    Writer:Unknown

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Season 17 Ratings Summary

"David Walliams" is the best rated episode of "Who Do You Think You Are?" season 17. It scored 8.3/10 based on 62 votes. Directed by Unknown and written by Unknown, it aired on 10/19/2020. This episode is rated 1.7 points higher than the second-best, "Liz Carr".