You will Watch Phineas and Ferb Season 1 Episode 1 online for free episodes with HQ / high quality. Stream cartoons Phineas and Ferb 101 Rollercoaster Phineas and Ferb build a rollercoaster for the neighborhood, much to their sister Candace’s displeasure. Meanwhile, Perry, the boys’ secret agent platypus, tries to stop his nemesis Dr. Doofenshmirtz from controlling the Earth’s rotation with a magnet and a giant sheet of tin foil.
Candace Loses Her Head.
The boys plan to carve Candace’s face into Mount Rushmore for her birthday. Perry tries to prevent Doofenshmirtz from boring a tunnel to the People’s Republic of China from Mount Rushmore.