Episode 1 features another first for Long Lost Family, a divorced couple searching together for the son they were forced to give up as teenagers.Marion and James met when they were seven years old growing up in Catford, South London. Marion was raised by her grandparents and James lived two streets away with his parents. They started going out with each other when they were teenagers.

Also this week, we meet Cathie Cutler-Evans, a woman desperate to find her birth mother after more than 50 years apart. Cathie lives in Chester where she runs a barbers shop and raises her three sons. She grew up on the Wirral where she had a happy childhood and knew from an early age she was adopted. When she was a teenager, Cathie's adoptive parents showed her a letter from her birth mother Adrienne, thanking Cathie's adoptive parents for giving her a loving home and asking them to explain to Cathie how much she loved her. It was a life changing moment for Cathie, who wanted to know more about her birth mother.

Episode Three features two stories of mothers and sons pulled apart: a man whose mother put him up for adoption through an advert in the local paper; and a woman who adopted two kids after giving up her own son.