William has to spend another boring Sunday with his grandparents. He has only a box of Lego and his imagination for comfort. Gradually the crises aboard his spaceship become entangled with the fate of his sleeping grandmother.
| Actor | Role |
|---|---|
| BBen DavisWilliam | William |
| LLen MartinGrandad | Grandad |
| DDorothea AlexanderGrandma | Grandma |
| TTroy JacksonNot listed | Not listed |