The Monster of Phineas-n-Ferbenstein
The boys learn about one of Ferb's Victorian ancestors, who helped a scientist create a monster. Meanwhile, Doofenshmirtz recalls the story of his great-great-grandfather Dr. Jekyll Doofenshmirtz.
Writing:
Stars:
- Joe Orrantia
- Aliki Theofilopoulous Grafft
- Bernie Petterson
Stars: