Synopsis: Nothing's impossible for Phineas and Ferb! When school's out for the summer, the stepbrothers plan all kinds of exciting and fantastic adventures for each day of vacation. Soup up Mom's car and enter the Swampoil 500 Race? No problem! Form a rocking band and become a one-hit wonder? Sure! Rebuild a time machine and bring back a T-rex? Excellent! Meanwhile, their big sister Candace is going nuts trying to bust them to Mom and Dad, and their pet platypus is leading a double life as "Agent P," who is secretly saving the world from Dr. Doofenshmirtz's evil plots.