A young pop star named Glitter has just enrolled in Laura's school. What's more, Glitter and her accompanying pop-star hamster, Sparkle, are scheduled to perform a live concert in town! The Ham-Hams invite Sparkle to come hang out with them at the clubhouse. But despite all the Ham-Ham's efforts to befriend Sparkle, she's a tough nut to crack. Meanwhile, the glamorous Glitter has her eyes on Travis, and Laura is sad and jealous. Will Glitter and Sparkle find a way to fit in?