Tuck is riding his tricycle and some kids are picking on him. He decides to learn how to ride a two-wheeler, but fails. Meanwhile, Jenny is fighting the space bikers, and it ends in her getting turned into a bike, and they made it so she can't change back. She tells Tuck that he needs to get on her to work the throttle, but he says that he needs training wheels on her first, so her puts them on her.