Long Lost Family: Series 15
Season 15 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 Long Lost Family Season 14.
- 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.
Episode Guide
Season 15 Progress Shield
Lee Sharp, Peter MacDonald
Sep 18, 2025 · 46 min
The unique bond between brothers is celebrated in the cases of Lee Sharp - who was told he was a foundling - and Peter MacDonald, who wants to see his big brother Trevor again.
Paula & Justus
Sep 25, 2025 · 46 min
This episode follows two birth parents. Paula, who is searching for the son she became pregnant with in 1979, & Justus Augustin, who hopes to find a daughter put up for adoption.
Jayne & Kevin
Oct 2, 2025 · 46 min
This episode follows Jayne - a woman who wants to tell her older brother that he was always thought of - and Kevin, who is determined to find his eldest daughter for his late wife.
Mark & Jane
Oct 9, 2025 · 47 min
This episode follows the cases of Mark Thorpe - who yearns to find an older brother - and Jane Lewis, who was taken into foster care at 11 days old and seeks her three brothers.
Alan & Katherine
Jan 15, 2026 · 47 min
This episode follows the cases of Alan Parker - who is desperate to solve the mystery of why his mother left the family home - and Katherine Fletcher, who seeks her birth mother.
Scott & Jackie
Jan 22, 2026 · 47 min
This episode follows the cases of Scott - who is desperate to find an older sister who was adopted - and Jackie, whose late mother put her baby sister up for adoption.
Mandy & Jane
Jan 29, 2026 · 47 min
This episode features two women searching for older siblings they've never met - while Mandy wants to find her big sister, Jane wants to find the brother that her mum had.