Ronan Keating and Sam Quek present the One Show which sees Hollywood megastar Angelina Jolie meet some of the UK's most inspirational young people and actor Michael Sheen undercover for this week's One Big Thank you. Also joining are Sam's new Question of Sport colleagues Paddy McGuiness and Ugo Monye as well as Grantchester's Kacey Ainsworth and Robson Green.