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Season guide

Who Do You Think You Are?: Series 20

9 episodes Premiered Jun 1, 2023 Updated Oct 3, 2026
Previously on Who Do You Think You Are?

Season 20 Lore Primer

Key plot threads, lore context, and character stakes you need to remember before diving into this season.

  • ⚡ Directly follows the overarching narrative developments of Who Do You Think You Are? Season 19.
  • ⚡ Faction dynamics and core character alliances shift under escalating external stakes.
  • ⚡ Crucial mysteries introduced previously reach key turning points and narrative reckonings.
  • ⚡ Sets up serialized story arcs that build directly toward the climactic season finale.
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Season 20 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 20 Progress Shield

Future titles & synopses blurred. Tap "Reveal" on any card to peek.
Binge Efficiency Engine

Season 20: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

44%
56%
Mytharc (4): Crucial lore & season climaxes
Core (5): Character development & subplots
Side Quest (0): Standalone / filler
S20·E1 Mytharc

Andrew Lloyd Webber

Jun 1, 2023 · 58 min

Andrew Lloyd Webber is astonished to uncover stories from his family’s history that uncannily parallel his own life, including an ancestor with a famous cello-playing brother!

S20·E2 Mytharc

Claire Foy

Jun 8, 2023 · 58 min

As actress Claire Foy delves into her family tree, the personal testimony she uncovers reveals stories of tragedy and an accusation of murder that bring communities together.

S20·E3 Core

Bear Grylls

Jun 15, 2023 · 58 min

Adventurer Bear Grylls discovers the stories behind the top secret documents hidden in his grandfather’s wartime trunk and is delighted by a Scottish royal connection.

S20·E4 Core

Kevin Clifton

Jun 22, 2023 · 57 min

Kevin Clifton investigates the rumour of an ancestor from Canada’s First Nations, taking him on an extraordinary journey to the country’s remote 18th-century trading posts.

S20·E5 Core

Chris and Xand van Tulleken

Jun 29, 2023 · 58 min

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.

S20·E6 Core

Emily Atack

Jul 6, 2023 · 58 min

Comedian and actor Emily Atack knows she is from a long line of larger-than-life entertainers. Her mum is singer, actor and comedian Kate Robbins and Paul McCartney is Emily’s gran

S20·E7 Core

Dev Griffin

Jul 13, 2023 · 58 min

Dev Griffin learns about his ancestry, including momentous stories from Ireland and some very personal details from his great-grandparents' lives in Jamaica.

S20·E8 Mytharc

Chris Ramsey

Jul 20, 2023 · 57 min

Chris Ramsey has always felt lucky, so he’s delighted to learn it runs in the family as he uncovers the stories of ancestors who survived a deadly WWI battle and won a lottery.

S20·E9 Mytharc

Lesley Manville

Jul 27, 2023 · 57 min

Lesley Manville is moved to discover a family story of enduring love and is delighted when an ancestor’s involvement in a riot reveals new relatives in Australia.

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