In this edition two 11-year-olds face different challenges. Nathan [text removed] is battling against a rare type of leukaemia. Having already undergone months of chemotherapy, he is back in hospital fora bone-marrow transplant. Christopher [text removed] is rushed into casualty after being run over by a bus. He has numerous injuries, including a broken arm and leg, and must master using a wheelchair before he can go home. Producer Jane Milton ; Executive producer Edward Mirzoeff