The third season begins with Phineas and Ferb building a gigantic biome during a bit of bad weather to help Isabella earn a Fireside Girl patch.

After Ferb accidentally leaves his skateboard at his grandparents’ house, he and Phineas develop a teleportation device that can retrieve any object. Meanwhile, Dr. Doofenshmirtz tries to rid the world…

Candace realizes that she needs to spend more time with Stacy, so she vows to spend the whole day with her only. But while visiting Jeremy and his mom, Mrs….

Phineas and Ferb’s newest invention is a pair of boots that make the wearer extraordinarily fast. Candace decides to wear them so that she can be in two places at…

The boys reconstuct one of Doofenshmirtz’s inventions to discover what it does after it lands in their front yard.

It’s Phineas’ birthday and for the special occasion, Ferb puts together a clip show of the gang’s favorite moments. Meanwhile, Agent P has to stop Dr. Doofenshmirtz from using his…

For Harbor Days Festival, Phineas and Ferb celebrate by creating a mechanical version of the historical elusive shark of Danville Harbor. Seeing what the boys are up to, Candace enlists…

When Aunt Tiana and Uncle Bob’s wedding is moved to the Flynn-Fletcher’s backyard, Candace hopes that her brothers do not upstage her role as maid of honor. Meanwhile, Dr. Doofenshmirtz…

When Candace discovers that Phineas and Ferb have invented a computer that can answer anything, she asks it how she can finally bust her brothers once and for all. Meanwhile,…