Digby needs to find Spellbook's missing page so that Fizzy can complete a spell and stop Grumpy's stinky cheese running amok around Applecross.

Digby gets his first dragon horn. It is rather wobbly and he does not want his friends to know in case they think that only having one horn makes him less of a dragon.

Chips makes a statue of Digby for a gift, but Digby thinks it is ugly and tries to get rid of it.

Digby and Archie end up tiny after getting caught in a spell gone awry and must get to Fizzy's cottage to reverse the spell before they get squished.

When Digby decides to use magic to make Mungo more intelligent, Mungo ends up a genius and starts causing trouble.

Digby insists on Fizzy accompanying him to the annual Sprite Flight, despite her having a bad case of fairy flu. Her magical sneezes almost ruin everything.