Annoyed at waiting in really long lines at the return counter, Doofenshmirtz invents a "Back-to-the-Store-inator" to send things back to the store where they came. Meanwhile, Phineas and Ferb stage an extreme batting challenge their friends take place in, and Candace's obsession to bust coincides with her and Jeremy's visit to the Extreme Water Park.
| Creator | Dan Povenmire |
|---|---|
| Actor | Vincent Martella, David Errigo Jr., Ashley French |
| Country | United States of America |
| Production | Disney Television Animation |