Gregory likes to be equipped for any situation and carries several essential items in his backpack like a feather duster, a colander, and even a kazoo! 'There might be a kazoo emergency,' Gregory explains to his new friend, Lola, on their way to school. Not long after, their school bus gets into trouble! As the bus gets tangled in a rope hanging from a hot air balloon and crashes into a dinosaur, Gregory wonders if this is just the kazoo emergency he's been waiting for!