Phineas and Ferb - Season 2

On summer vacation in the suburbs, kindhearted 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. At the same time, their pet platypus leads a secret life, working against the evil Dr. Doofenshmirtz.