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Season guide

Who Do You Think You Are?: Series 19

5 episodes Premiered May 26, 2022 Updated Oct 3, 2026
Previously on Who Do You Think You Are?

Season 19 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 18.
  • ⚡ 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 19 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 19 Progress Shield

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

Season 19: Filler vs. Essential Canon

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

40%
60%
Mytharc (2): Crucial lore & season climaxes
Core (3): Character development & subplots
Side Quest (0): Standalone / filler
S19·E1 Mytharc

Sue Perkins

May 26, 2022 · 58 min

Sue Perkins delves into the German branch of her family, uncovering a harrowing tale of refugees fleeing back and forth across east European borders during the Second World War.

S19·E2 Core

Richard Osman

Jun 9, 2022 · 58 min

Richard Osman delves into his Brighton roots and is astonished to learn that one of his ancestors turned amateur sleuth and ended up entangled in one of Brighton’s most notorious m

S19·E3 Core

Matt Lucas

Jun 16, 2022 · 58 min

Matt Lucas learns what his late grandmother went through as a Jew in Nazi Germany in the 1930s, and what happened to the family she left behind. He also uncovers a connection to An

S19·E4 Core

Anna Maxwell Martin

Jun 23, 2022 · 58 min

Motherland star Anna Maxwell Martin travels to the small town in Northern Ireland where her father grew up, discovering the dark story of her grandfather's childhood.

S19·E5 Mytharc

Ralf Little

Jun 30, 2022 · 57 min

Ralf Little heads to Orkney to investigate his grandfather Arthur’s role in one of the most important battles of the Second World War. He also finds an international footballer in

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