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.
Directed byRobert Hughes, Dan Povenmire, Jay Lender
Written byJon Colton Barry, Dan Povenmire, Jeff 'Swampy' Marsh
CountryUnited States, Taiwan, China
Runtime78 min
On screen
Vincent Martella
Ashley Tisdale
Thomas Brodie-Sangster