Phineas and Ferb - Season 1

During summer vacation, kindhearted suburban stepbrothers Phineas and Ferb fill each day with a grand new invention, scheme, or project. Their controlling sister, Candace, is determined to catch them in the act and prove what they are up to, but the boys always stay a step ahead. Meanwhile, their pet platypus leads a secret life plotting against the evil Dr. Doofenshmirtz.