[s1e1] Rollercoaster/candace Loses Her Head Apr 2026

: Phineas and Ferb begin their summer by building a logic-defying rollercoaster in their backyard, setting the "big project" template for the series.

(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. [S1E1] Rollercoaster/Candace Loses Her Head

: Candace initiates her endless quest to "bust" her brothers by trying to show their mother, Linda, the massive coaster. : Phineas and Ferb begin their summer by

: The invention conveniently vanishes just as Linda arrives, a staple "helpful" plot device usually caused by Dr. Doofensmirtz's antics. [S1E1] Rollercoaster/Candace Loses Her Head