Phineas and Ferb attempt to make the most of their summer vacation by building a rocket, discovering a mummy, and engaging in other adventures while their sister Candace tries to reveal their endeavors to mom and Perry the Platypus saves the world from the evil Dr. Doofenshmirtz.
.It's summer vacation for Phineas and Ferb, and they have a lot to do! First, they fix up their mom's car and enter the Swamp-Oil 500 at the speedway. Then, they build a wild roller coaster.
