On Schluufy's birthday, the Oogieloves, Goobie, Zoozie, and Toofie, and their friends J. Edgar, Windy Window, and Ruffy, work on organizing a party. Everything is going as planned until J. Edgar trips and loses the last five magical balloons in all of Lovelyloveville, prompting The Oogieloves to set out and find the magical balloons in time for the party. Along the way, they meet Dotty Rounder, Bobby Wobbly, Marvin Milkshake, Rosalie Rosebud, and Lola and Lero Sombrero.