Rollercoaster

Rollercoaster is the first episode of the first season of Phineas and Ferb. The episode follows stepbrothers Phineas Flynn and Ferb Fletcher building a rollercoaster in their backyard on the first day of summer while their older sister, Candace Flynn, tries to bust her brothers for this to her mother, Linda Flynn. Meanwhile, Agent P is on a mission to stop evil scientist, Dr. Heinz Doofenshmirtz, from messing up the Earth's rotation.

It was paired up on broadcast before Lawn Gnome Beach Party of Terror.

Cast

 * Vincent Martella as Phineas
 * Ashley Tisdale as Candace
 * Thomas Sangster as Ferb
 * Caroline Rhea as Mom
 * Alyson Stoner as Isabella
 * Mitchel Musso as Jeremy
 * Dan Povenmire as Dr. Doofenshmirtz
 * Jeff "Swampy" Marsh as Major Monogram
 * Dee Bradley Baker as Perry