Premise: Phineas Flynn and his stepbrother, Ferb Fletcher, are determined to make every day of their summer vacation fun. They try building a full-scale roller coaster, becoming musicians, building a backyard beach, and traveling back in time to meet dinosaurs. Their family pet, Perry the Platypus, doubles as a secret agent and battles evil. Meanwhile, older sister Candace is tattling on them to Mom and Dad, though she can never seem to catch them in the act.
S03, E20 (First Aired: Feb. 10, 2012)
Candace tries to recreate a gift.
S03, E28 (First Aired: Jun. 8, 2012)
The boys create a Perry that can go anywhere and do everything with them; Candace's plans to watch over the boys backfire.