Harry and the Dinos form a marching band and take a trip to Dino World to perform in the National Dino Day parade. Outfitted with musical instruments and uniforms, they set about getting ready for the parade. The only problem is that they seem to be having some trouble playing their instruments. And marching in time. And their music is a little, well, loud. Just as Harry and the Dinos are wondering how you have a parade without making any noise, a big dino-shaped balloon comes to their rescue…!