Phineas and Ferb enter the Swamp Oil 500 after upgrading mom's car. Doofenshmirtz tries to deflate everything in the Tri-State Area from his blimp.
Inspired by a car race in the distance, Phineas and Ferb upgrade Mom's car and turn it into race car 42, and enter it in the Swamp Oil 500 where Phineas races against other racers with Ferb acting as his helper and Isabella and the Fireside Girls as his pit crew. Candace constantly tries to bust them by just surprising Linda with what they're doing, but keeps missing by just a second. Elsewhere, Dr. Doofenshmirtz tries to deflate everything in the Tri-State Area from his blimp.
—Phineas Flynn Phineas và Ferb tham gia Swamp Oil 500 sau khi nâng cấp xe của mẹ và biến nó thành xe đua 42. Trong lúc đó, Tiến sĩ Doofenshmirtz cố gắng làm xì hơi mọi thứ ở Danville từ chiếc khinh khí cầu của ông.
The Fast and the Phineas is the first half of the second episode of Phineas and Ferb. It aired on February 2, 2008. Phineas and Ferb enter the Swamp Oil 500 after upgrading mom's car and turning it into race car 42. Meanwhile, Dr. Doofenshmirtz tries to deflate everything in the Tri-State Area from his blimp.