You Vegetabelieve It! is the third part of the 26th episode of the second season in Dexter's Laboratory. In this episode, Dexter gives Dee Dee a growth formula that causes plants to grow to an enormous size. However, Dee Dee uses up all of the growth formula in the backyard, causing all of the plants to come to life, literally. With her brother's help, Dee Dee destroys every living plant.