1. Karl and Emina

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. 29 April 2021. 59 min

A man caught up in the 7/7 terror attacks searches for the stranger who held his hand, and a woman whose family fled war-torn Bosnia looks for the doctor who helped them escape.

2. Marc and Peter

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. 6 May 2021. 59 min

An activist diagnosed with HIV in the 1980s searches for the therapist who gave him hope for the future, and a man shot during the Troubles looks for the nurse who was his ‘angel'.

3. David and Darryl

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. 13 May 2021. 59 min

A Falklands naval veteran tracks down survivors from his squadron, and a migrant to 60s Britain searches for the teachers who helped him overcome childhood racism and xenophobia.

4. George, Peter and Clare

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. 20 May 2021. 59 min

Twin brothers who fled Nazi Germany search for the family who helped them escape, and a woman who housed 21 child refugees from Bosnia looks for their mystery schoolgirl translator.