Best friends and stepbrothers Phineas and Ferb are determined to make each day something special. Whether their bold escapades include building a rocket or discovering an ancient mummy, they're also cramping the style of their older sister, Candace. So she's determined to reveal their crazy endeavors to their mom! Meanwhile, the family's pet platypus has a secret identity as Agent P-and he repeatedly faces off with evil Dr. Doofenshmirtz to save the world. The days are packed for Phineas and Ferb because they plan to do it all!