Relative Secrets: The Mother Who Vanished (BBC America, Monday, June 23, 2025)

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The search for answers concludes this Monday, June 23, at 10 PM ET, as Relative Secrets, hosted by Jane Seymour, airs its season finale, The Mother Who Vanished (Season 1, Episode 4), on BBC America. This episode brings a 70-year-old family mystery to a head, centering on a Philadelphia mother who disappeared, leaving three young children behind and sparking decades of unanswered questions.

The series, which regularly explores the complicated histories within American families and their connections to UK heritage, sees Jane and Natasha assisting the family in their long quest for truth. The central query guiding the investigation remains: Did this mother fake her own death, or did she simply begin a new life under a false identity?

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Relative Secrets specializes in untangling these sorts of real-life riddles, often finding a mix of heroism and deceit as family histories are explored. The final hour of the season aims to solve this particular puzzle, showing the lasting impact such a profound mystery can have across generations.

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Relative Secrets: The Mother Who Vanished airs Monday, June 23, at 10 PM ET on BBC America.

I'm Noah Masire, News Editor at Memorable TV with a focus on show renewals, cancellations, network ratings and the latest industry trends.