Every year Digby feels down on Dragon Day. After all, how can he enjoy the celebrations when he, a dragon, can't fly or breathe fire?

When Digby tells his friends that they need to go to Peek Rock to see a special event, Grizel and Mungo decide they have to get there first.

When Chips catches a shell in his fishing net, he's certain he's actually found a Sea Nut. He's determined to keep it - until the shell starts travelling around by itself.

Fizzy is convinced she has turned Grumpy into a giant - which is terrible news - as his Little Brother is due to come to tea that very day!

When Mungo accidently starts up Scottie with Archie on board, Digby realises that he has the chance to be a hero. Saving Scottie and Archie is far harder than he imagined!