Phineas and Ferb the Movie: Across the 2nd Dimension (2011)

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.

Director:

Cast: Vincent Martella, Ashley Tisdale, Thomas Brodie-Sangster, Caroline Rhea, Richard O'Brien, Dan Povenmire, Jeff 'Swampy' Marsh, Alyson Stoner, Maulik Pancholy, Bobby Gaylor, Mitchel Musso, Tyler Alexander Mann, Dee Bradley Baker, Kelly Hu, Olivia Olson, John Viener, Jack McBrayer, April Stewart