Phineas and Ferb plan to celebrate Easter with a giant festival in their backyard, complete with bands and candy-shooting cannons, but when their older sister, Candace, learns about their plans, she is determined to stop them.
"When Candace is abducted by aliens, Phineas and Ferb have to team up with Dr. Doofenshmirtz to get her back . . . but what if she doesn't want to return to Earth?"--Back cover.
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.
Phineas and Ferb use a snow-cone machine to cool things down on the hottest day of the summer, but their creation turns their backyard into a s'winter wonderland where they compete in the first s'winter games and decide to build Isabella the biggest sundae ever.
Candace finds a traffic camera that has caught Phineas and Ferb's crazy adventures on film. But Perry the Platypus is after the same camera because it has captured him in disguise as Agent P! Will Candace miss out on her chance to finally bust her brothers?.