Tagy: phineas-and-ferb, phineas-and-ferb-theme-song, phineas-and-ferb-songs, doofenshmirtz, perry-the-platypus, perry-the-platypus-theme-song, phineas-and-ferb-full-episodes, phineas-and-ferb-full-episode, gravity-falls, phineas-and-ferb-season-1, phineas-and-ferb-act-your-age, disney, disney-channel, disney-xd, phineas-and-ferb-film-theory, film-theory, film-theorists, matpat, animation, dr.-doofenshmirtz, perry