Disney Phineas & Ferb : New Inventions

Phineas and Ferb are stepbrothers and they always know how to entertain themselves. They want to build an amusement park in their backyard or something like that. But they have an older sister, Candace, who doesn’t approve of their antics and always complains to her mom. But Phineas has a platypus named Perry, and in him – a very scary secret. He pretends to be a stupid and obedient pet, but in fact he is a secret agent who is fighting with all his might against the evil scientist – Dr. Doofenshmerzer…