TV Short | | Animation, Short, Family
The book was published 51 years before the first broadcast of this film. Although the book was always popular amongst small children, it was rediscovered when adapted for a children's stage play in the early 2000s. The play was hugely popular and has been ever since. This resurgence in both the story and its author is what prompted the producers interest in making this film. Judith Kerr agreed only only if she had a say in the voice casting and animation style.