Get ready for the first day of school with Peanut Butter and his friends Peanut Butter has a big day tomorrow--it's his first day at a new school With help from his friends, Peanut Butter can have a great first day, because they'll all go together: Peanut Butter and Hamburger and Cupcake and Egg and Meatball and French Fries and Soup and... of course Jelly.