Phineas and Ferb discover that Perry is a secret agent, and they all get stuck in an alternate dimension where Doofenschmirtz is the ruler of the tri-state area.
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The Phineas and Ferb Movie (2011) We All Forgot About Is WILD! | Across the 2nd Dimension
Phineas and Ferb discover that Perry is a secret agent, and they all get stuck in an alternate dimension where Doofenschmirtz is the ruler of the tri-state area.