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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.

  • Vincent Martella,
  • Thomas Sangster,
  • Ashley Tisdale,
  • Caroline Rhea,
  • Richard O'Brien,
  • Dee Bradley Baker,
  • Dan Povenmire,
  • Mitchel Musso,
  • Alyson Stoner,
  • Jeff ``Swampy'' Marsh,
  • Maulik Pancholy,
  • Kelly Hu,
  • Tyler Mann,
  • Olivia Olson,
  • Kari Wahlgren


Watch  Tri-Stone Area; Doof Dynasty on TV

  • Thu 1/19
  • 3:00PM-3:30PM
  • Disney
    • CC

Watch  Tri-Stone Area; Doof Dynasty Online

Watch now in HD at for 2.99
$2.99 HD
$2.99 HD

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.