Synopsis

Frustrated by interminable queues at the returns desk, Doofenshmirtz devises a "Back-to-the-Store-inator," a device designed to automatically return merchandise to its point of origin. Simultaneously, Phineas and Ferb orchestrate an elaborate batting competition, drawing their friends into a spirited contest. And Candace’s relentless pursuit of proof of their endeavors aligns with her and Jeremy's trip to the Extreme Water Park.