Phineas and Ferb have a new pet, Goldy the goldfish, and to help make Goldy feel less lonely, Phineas and Ferb have built an aquarium with many other creatures. Meanwhile, Perry must stop Doofenshmirtz from a food related childhood revenge story.

Phineas and Ferb open Chez Platypus, which becomes the trendiest restaurant in town. Jeremy asks Candace out on a date to the restaurant. Meanwhile Doofenshmirtz goes on another date from his online dating service, and vows to destroy all love in the tri-state area if the date doesn't go well.