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Phineas and Ferb S03E17

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Phineas and Ferb : Tri-Stone Area; Doof Dynasty

S03, E17 ()

Phineas and Ferb are cavemen and invent something useful; Dr. Doofenshmirtz tries to remodel his place; Phineas and Ferb must rescue Princess Isabella.

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Previous Episode

A Phineas and Ferb Family Christmas

S03, E16 (First Aired: December 2, 2011)

The boys put on a traditional family Christmas special featuring family and friends.

Next Episode


S03, E18 (First Aired: January 15, 2012)

Phineas and Ferb set off to find the legendary sword, Excaliferb in order to defeat an evil sorcerer named Millifishmirtz.