"Based on the series created by Dan Povenmire and Jeff "Swampy" Marsh." "Based on the Disney Original movie, 'Phineas and Ferb: Across the 2nd dimension' written by Dan Povenmire, Jeff "Swampy" Marsh, and Jon Colton Barry."
Summary:
When Phineas and Ferb accidentally help Dr. Doofenshmirtz complete his latest creation that will finally take control of the Tri-State Area, they journey into a new dimension, where they meet their alternate selves.
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