In the episode "Out of Toon / Hail Doofania!", Phineas and Ferb create a superhero cartoon while Dr. Doofenshmirtz creates a device that forces the Tri-State Area to dance. In a reverse-role scenario, Doofenshmirtz builds a floating nation, Doofania, which Vanessa attempts to expose to her mother, Charlene, while Perry the Platypus destroys it with a Rainbow-inator. For more details, visit Phineas and Ferb Wiki .