Tegan fell on the Tube tracks and wants to meet the man who saved her, Lee hopes to find the brother he didn’t know he had, and a little girl thanks builders who changed her life.

A 60s girl band reunite with their favourite boy band, ex-addict Simon meets the man who turned his life around and Ellie thanks a teacher who was her rock after a terror attack.

A 70-year-old man hopes to meet his daughter, who was adopted at birth; two teenage friends hope to reconnect; and the former members of a polar expedition try to reunite.

An American woman meets the grandchild of the people who saved her mother from the Nazis, and a former soldier seeks forgiveness from his platoon commander.

Sam wants to meet the fundraisers who helped transform her daughter Nova's life; Terry wants to meet his guide dog's trainer; and Pat wants to reunite with her former boss.