Season 1, Episode 1 Rollercoaster

First Aired: August 18, 2007

The guys build a roller coaster while their mom is out shopping; Perry battles the evil Dr. Doofenshmirtz, who plans to throw Earth off of its rotation.

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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: Two stepbrothers come up with new inventions and schemes to stay ahead of their punk sister. Meanwhile, their pet platypus plots to take down Dr. Doofenshmirtz. (more)

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