Season 4, Episode 19 Happy Birthday, Isabella

First Aired: July 12, 2013

Phineas and the gang celebrate Isabella's birthday.

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  • Premiered: August 17, 2007
  • Rating: None
  • User Rating:4.73 out of 5 (1,323 ratings)
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  • 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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