The Boy who turned Yellow is part of the Childrens Film Foundation collection.The storys centre's around a boy called John who goes on a school trip to the tower of London.While there John loses his pet mouse and vows to return to find her later.While back at school John is sent home for falling asleep in class.He catches the tube and all of a sudden there is a flash and everyone on the tube turns yellow.With the help of Nick,John learns all about electricity,invades the tower of London and finds his mouse.