Spring has sprung, and it's time for the annual Flying Rhino Junior High Garden Bonanza! The classroom becomes a sea of plant pots as Mrs. Snodgrass teaches the kids about growing everything from crops to Venus Fly Traps. As part of the lesson, each student is given the opportunity to plant and take care of his or her own crop. After Ruby has planted hers, she stands there waiting. When the others ask what she is waiting for, Ruby replies, ""I'm waiting for my plant to grow, silly."" It is a very annoyed Ruby who learns that it could take days, even weeks before she sees the fruits of her labor.

Earl sees this, and he decides to take advantage of the situation. This is the perfect opportunity to test his new plant growth formula. If the experiment is successful, he will use his Phantom X Brand Fertilizer in his ultimate goal of total world domination! But first things first. He dispatches Raticus upstairs to drop off a bag of the stuff where our heroes are sure to find it.

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