The One Show: Season 2014, Episode 174

2014 - 174: 22/04/2015

As the programme Who Do You Think You Are? reaches its 100th episode, Alex Jones and Matt Baker are joined by model and designer Twiggy and the show's creators share some behind the scenes secrets. Plus a report on the mother whose son lost his life whilst fighting with Jihadi troops in Syria and the beautiful bee-eating bird that is now nesting in Britain.