Clare wonders if her dad was a British soldier during the Troubles, while Leigh is searching for his sister. Jenna and Ryan are hoping DNA testing can help them grow their family. Show more

Georgina is trying to find her Portuguese dad, while Matthew is wondering if he might be half Caribbean. Michaela and Richie are testing their son’s DNA for the genetic disorder 'bubble boy disease'. Show more

Richard is on a lifelong mission to discover the identity of his father, Janet wants to know if she has a secret sister, and Glen hopes his DNA can finally reveal his ancestry. Show more

Seventy-nine-year-old Jackie grew up in a Nazi concentration camp and wonders if any family escaped the Holocaust. Maureen wants to know if her father was actually an African-American GI. Show more

Mel wants to know her sperm donor father’s identity, while Fi wonders if she might have passed down a 'murder gene' to her kids. Bahaa worries he will get cancer like his brother. Show more

Five sisters in Lancashire want to know if they are full or half siblings, while former sperm donor Luke wonders if he might have fathered any children in the 1980s. Show more