Phineas and Ferb - Season 1 Episode 23 Tree to Get Ready There is no such thing as an ordinary day to Phineas and Ferb.
Overview: Phineas and Ferb build super tree houses for themselves and Candace, but things get a little out of hand when a treehouse fight instigates. Meanwhile, Dr. Doofenshmirtz plans to ruin a ceremony in his brother's honor.