Candace drinks a growth elixir Phineas and Ferb created to become tall enough to audition for a modeling career at a local festival, but becomes extremely large as a result. Meanwhile, Doofenshmirtz plots to cover the festival with the smell of dirty diapers.

Phineas and Ferb build a giant aquarium in their backyard for their new goldfish. Meanwhile, Candace awaits a phone call from her boyfriend Jeremy, and Doofenshmirtz plots to disrupt the hot dog vendors of Danville so he can force them to sell bratwurst.