It's Ancient History! — Ellie O'Ryan

Best friends and stepbrothers Phineas and Ferb are determined to make each mind-numbing rotation of Earth into something special. But their sister, Candace, is relentless in her efforts to reveal their crazy endeavors to their mom. Meanwhile, Perry the Platypus -- Agent P -- is called on repeatedly to save the world from the dangerous Dr. Doofenshmirtz. Spend some time with Phineas and Ferb and see just how exciting and outrageous life can really be!