What is the worst joke in the entire show?

In the heart of the city, a family resides, With a boy named Cricket, who loves wild rides. With sister Tilly, who loves to create, And Grandma Alice, with her old-fashioned ways. Bill, the father, who works hard every day, And Nancy, the mom, who keeps things at bay. From the rural life to the city beat, The Greens' journey, a joyful treat. A family so unique, with love to spare, Big City Greens, a show beyond compare.