Former Blue Peter presenter Gethin Jones makes an emotional journey to Wales to trace his family tree in this new series of Coming Home.

He learns of his ancestors' role in saving the lives of many coal miners and uncovers a moving story from his mother's past with profound implications for his life today.

Singer Katherine Jenkins makes a highly moving journey through Wales to trace her family tree in a new series of Coming Home. Here she learns of her grandmother's hidden musical career and a shocking story from her family's past.