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Phineas and Ferb

Phineas and Ferb

Season 1, Episode 40

Episode Title: The Monster of Phineas-n-Ferbenstein

Air Date: 2008-10-17

Overview:

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.

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