It's the Cosmopolitan City parade! Polly is excited to show off the balloon that she and her class designed to represent Littleton. Things take a turn for the unexpected when Polly and friends lose control of the giant balloon.

When Polly and pals use Tiny Power to figure out the "glitch" in a video game, they discover that – like Polly – the game's character misses Pierce too while he's been away at college.