DOCUMENTARY DNA Journey ITV, 9pm

Chasers Shaun Wallace and Anne Hegerty (above) are the latest celebs embarking on quests to uncover the truth behind their bloodlines using DNA technology and genealogy. While an emotional Hegerty discovers an ancestor who survived two torpedo attacks, Wallace is able to trace his family back eight generations to the early 1700s and finds a forebear who made a small fortune in Cuba.