Rollercoaster (Phineas and Ferb)

"Rollercoaster" is the pilot episode of the Disney Channel original animated television series Phineas and Ferb, originally broadcast on Disney Channel on August 17, 2007 as a preview of the series, Toon Disney on September 1, 2008, and Disney XD on February 13, 2009. The episode follows series protagonists Phineas and Ferb building an extremely large roller coaster panning from their backyard to throughout the city.