18. Bölüm: 18. Bölüm

Bölüm Konusu

David Attenborough and Sir Hugh Casson have been hard at work helping to judge the Blue Peter/ Natural History Museum Centenary Poster Competition. Today is results day and even if you don't win a bronze stegosaurus, tyrannosaurus rex or brontosaurus, there are thousands of runners-up, so you never know your luck!