Phineas and Ferb get trapped in an alternate dimension where the evil Doofenshmirtz rules the tri-state area. They must find a way back home with the help of their pet platypus named Perry, who they discover is a secret agent.
Starring Vincent Martella, Thomas Brodie-Sangster, Dee Bradley Baker, Ashley French, Dan Povenmire, Richard O'Brien, Jeff 'Swampy' Marsh, Alyson Stoner, Maulik Pancholy, Bobby Gaylor