For her school biology project, Sophie is growing a sample of bacteria. Emma thinks it's a blob of mouldy yoghurt and wipes it away, before realising what she's done. In an effort to recreate the blob, Emma gets Adil to wish up a new one. But the new blob has a lively mind all of its own. It wants to play. And it's hungry. As the blob eats everything in sight, it also begins to grow ... and grow ... and grow ...
With:
- Claire Foster as Dilly