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.
- Genre: Animation, Comedy, Family, TV Movie, Music, Adventure, Science Fiction
- Studio: Disney Television Animation
- Keyword: sibling relationship, monster, one-sided love, secret agent, alternate dimension, growing up, mad scientist, dating, super villain, pet owner reunion
- Cast: Vincent Martella, Thomas Brodie-Sangster, Dan Povenmire, Ashley Tisdale, Caroline Rhea, Richard O'Brien