Phineas a Ferb zistia, že ich milované zvieratko vtákopysk Perry je v skutočnosti tajný agent, ktorý každodenne bojuje s diablom. Chlapci sa k nemu pripoja, aby spoločne podnikli dobrodružnú cestu po paralelnom vesmíre.
Réžia: Dan Povenmire, Robert Hughes
Scénar: Dan Povenmire, Jeff "Swampy" Marsh, Chris Headrick, Michael Diederich, Kaz, Kim Roberson, Chong Lee, Aliki Theofilopoulos, Joe Orrantia
Hudba: Danny Jacob
Hrajú: Thomas Brodie-Sangster, Alyson Stoner, Dee Bradley Baker, Vincent Cassel, Kelly Hu, Kevin James, Irrfan Khan, Mitchel Musso, Maulik Pancholy, Caroline Rhea, Ashley Tisdale, Sigourney Weaver, Vincent Martella, Todd Stashwick, Jaret Reddick, Kevin Michael Richardson, Loni Love, Doris Roberts, April Stewart, Dan Povenmire, Olivia Olson, Diamond White, Jeff "Swampy" Marsh, Danny Jacob, Laura Dickinson, Bobby Gaylor, Jack McBrayer, John Viener, Richard O´Brien, Tyler Alexander Mann