Season 3, Episode 1 The Great Indoors

First Aired: March 4, 2011

The third season begins with Phineas and Ferb building a gigantic biodome during a bit of bad weather to help Isabella earn a Fireside Girl patch.

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  • Premiered: August 17, 2007
  • Rating: None
  • Premise: Animated adventures of two stepbrothers who build outlandish inventions in their backyard while their pet platypus, Perry, carries out secret spy missions. (more)

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