Phineas and Ferb have come up with yet another great idea for a summer day--they are going to create a stunt school and teach all their friends how to be top stuntmen and women! Meanwhile, Perry the Platypus enters his secret lair to discover that the evil Dr. Doofenshmirtz has taken over the spy agency. Will Agent P be able to stop his nemesis from gaining control of the entire Tri-State Area?