Title: Quantum boogaloo
Description: When Phineas and Ferb take a time machine twenty years into the future, they meet a grown-up Candace, still determined to get them in trouble, who goes back into the past to stop them, as Perry the platypus continues to battle Dr. Doofensmirtz.
Subjects: Brothers and sisters, Sibling rivalry, Graphic novels, Platypus, Fiction, Siblings, Comic books, strips, Spies, Time travel, Children's fiction, Time travel, fiction, Cartoons and comics