These four stories introduce Dilly the world's naughtiest dinosaur. First he decides to hate water & vows never to wash again until his friend Dixie objects to the very smelly dinosaur he becomes. Then Dilly lets loose his ear-splitting super-scream which makes his father have a disaster with his sister's birthday cake but things get even messier when Dilly tries to make a replacement. Dilly gets very confused one day waiting for it to rain cats & dogs & finally makes his own very characteristic contribution to the family's house-painting day!