Watch Phineas And Ferb S01e01 Rollercoaster Can... Apr 2026

Their pet platypus, Perry, reveals his double life as a secret agent to thwart Dr. Heinz Doofenshmirtz’s absurd plan to move the Eastern Seaboard with a giant ball of tin foil. Critical Reception & Key Highlights

Their sister, Candace, spends the episode frantically trying to get their mother, Linda, to witness the boys' dangerous activities. Watch Phineas and Ferb S01E01 Rollercoaster Can...

Phineas and Ferb decide to spend their summer day building an impossibly massive, city-spanning roller coaster in their backyard. Their pet platypus, Perry, reveals his double life

The series premiere of Phineas and Ferb , titled is widely regarded as a highly effective pilot that successfully established the show’s unique "formulaic" structure . First aired on August 17, 2007, it introduced the main cast and the dual-plot format that became the series' signature. Core Storyline Phineas and Ferb decide to spend their summer