Stream the full Phineas and Ferb Season 1 Episode 40 movie online for free in crystal-clear HD quality. No downloads required—just press play and enjoy the action, complete with English subtitles for an enhanced viewing experience.
Phineas and Ferb: The boys learn about one of Ferb's Victorian ancestors, who helped a vaguely familiar scientist create a monster. Meanwhile, Doofenshmirtz recalls the story of his great-great-grandfather Dr. Jekyll Doofenshmirtz to Perry, as they both wait out their lockdown.