(the second half of S1E1) specifically features the family celebrating Candace’s birthday at Mount Rushmore, where Phineas and Ferb attempt to carve her face into the mountain as a "helpful" gift, while Candace nearly loses her mind trying to expose them. : Candace initiates her endless quest to "bust"
: Phineas and Ferb begin their summer by building a logic-defying rollercoaster in their backyard, setting the "big project" template for the series. [S1E1] Rollercoaster/Candace Loses Her Head
In the pilot episode of Phineas and Ferb , several "helpful" recurring features and tropes of the series are established: