After they hit that final, triumphant note—striking a pose, of course—Perry crawls onto the scene, acting every bit the part of pet Platypus. “Oh, there you are, Perry,” says Phineas ...

Have fun with physics — and a platypus If you’re a fan of the game Where’s My Water? or of the cartoon “Phineas and Ferb,” then Where’s My Perry? will feel very familiar.