In this outrageous and original double-feature graphic novel, Phineas and Ferb face an oversized maze full of oversized insects and oversized challenges, forcing them to invent their way home! The second story features an alternate reality adventure with Dr Doofenshmirtz as a horror movie TV host teaming up with Phineas and the gang to face real monsters, including a giant feral Perry!

In the first half of this outrageous and original double feature, Phineas and the gang invent a maze to get lost in, but Doofenshmirtz's ELONG-inator makes it so big that it absorbs all of Danville; and now everyone ELSE is lost too! Our heroes must invent their way out while Agent P stops Doof from exploiting the maze to take over the entire Tri-State area!

The second story features an alternate reality take on our fan-favorite characters, with Dr. Doofenshmirtz as a cheesy, late night TV horror movie host. When Phineas and Ferb discover actual monsters in Danville, they seek out Doof's help, even as Candace, a staunch non-believer, vows to reveal them as frauds. With the help of Doof and his horror movie knowledge, the kids build wild inventions to confront the creepy creatures, before facing their largest monster yet: a gigantic, feral Perry the Platypus!