Phineas and Ferb the Movie: Across the 2nd Dimension

Phineas and Ferb: Across the Second Dimension is an upcoming Disney Channel Original Movie based the TV series Phineas and Ferb, planned to be released in the summer of 2011. It was first announced by Jeff "Swampy" Marsh during a January 2010 interview with the Daily Telegraph.

Short Summary
Phineas and Ferb discover that their beloved pet platypus, Perry, is secretly a secret agent who battles the forces of evil almost every day. The boys team up with Perry on a grand adventure through a parallel universe where they must ultimately thwart a more evil version of Dr. Doofenshmirtz.