Darby the Plant-Sitter: When Rabbit goes on a trip, he asks Darby to take care of his garden. Darby happily agrees to the job and puts her best effort into the task, but begins to worry that she's not a good plant-sitter. She notices a certain group of plants that have only leaves and don't otherwise appear to be growing. She decides to call together the Super Sleuths to come up with ways to make the plants grow.