Daisy has Mack the hamster visiting the vet today. Molly is so excited to see him that she's nearly late to meet Bob and Ruby – they are going to Bob's allotment to see if the carrots they planted have fully grown. Meanwhile, Mack has promised to fix Caitlin's spaceship but has told Moira that it will take some time.\n\nAt the allotment, Ruby is sure that her carrot is going to be huge. Bob warns her not to pull it up – it hasn't had long enough to grow yet! Molly helps Bob harvest his carrots, which are very big and hilariously wonky.\n\nMeanwhile, Moira's impatience gets the better of her, and she decides to fix the spaceship herself. Unfortunately, Moira's quick fix turns out to be a bit of a mess. She realises that she needs Mack's help to fix it properly. \n\nRuby's patience runs out too. She pulls up her carrot, but it is tiny! She is really disappointed and decides she'll have to throw it away. Can Molly find a use for Ruby's tiny carrot?