Watch Long Lost Family Season 2 in Australia

Davina and Nicky hope to uncover the truth about 44-year-old Mark Appleson's birth mother, as well as help Stella find the baby daughter she gave up for adoption.

In 2005, 68-year-old Brenda Rhensius retired to South Africa after a successful career in banking. However, throughout her life she has been haunted by the decision she made as a pregnant teenager back in Warrington in 1963. At 19, with no money and no prospects, she reluctantly agreed to give her baby up for adoption. The show also follows Maureen Clancy's search for her big brother Michael.

Peter Arundel, 58, has always known he was adopted as a baby but never asked about his birth mother out of respect for his adoptive parents. Since they passed away 20 years ago, Peter has been trying to uncover the circumstances of his adoption and he is desperate to meet his birth mother before it is too late. Meanwhile, Maureen Saville is looking for the mother who abandoned her as a toddler over 60 years ago.

Cherry Durbin, 68, grew up knowing she had been adopted at birth but what she didn't know was that she had an older sister. After successfully locating her mother, she has reached out for help in finding her older sister. The second search is on behalf of 25-year-old mum, Naomi Wilson, who has spent years searching for her dad who disappeared from her life 20-years ago.

Bradlee Allen is about to get married and is desperate for his father, whom he has not seen for 10 years, to be at the ceremony. The last time the pair were together things ended on a sour note and Bradlee wants to heal the rift before his big day. Bridget Eyles from Saffron Walden only discovered she was adopted at the age of 11 when she overheard a chance remark by her mother to her housemaster at her boarding school.

Fiona Dunn was brought up in the 1960s by a couple she believed were her natural parents. Later, she discovered that the woman she thought was her mother was in fact her aunt and that she was the child of her uncle and his mistress. Then, she was told that she had a younger sister whom the family had kept secret from her for her entire life. The show also meets Anne Clegg who has always longed to know her birth mother.

James Kynoch was six when he discovered the man he called `dad' was not his real father, his parents having divorced when he was just two. After years of getting no answers, he needs to finally find the man who last saw him as a toddler. Scarborough woman Lisa Nortcliff, 48, also asks for help to solve the mystery of her father. When she was 10, she discovered the woman she thought of as her older sister was actually her mother, and that her dad had been forbidden from seeing her once the pregnancy was discovered. She has spent years searching for this mystery man but is no closer to finding him. Davina McCall and Nicky Campbell aim to succeed where she has failed.