Watch Phineas and Ferb: The Perry Files - Animal Agents for Free: How to Stream the Movie Online at 123Movies. . Perry the Platypus - a.k.a. Agent P - and his fellow operatives team up to thwart Dr. Doofenshmirtz and his dastardly "Inators." Be they furry or feathered, scaly or slimy, these fearless agents roll over for nobody when it comes to crushing evil in the Tri-State Area and beyond.