Phineas and Ferb Season 1 Episode 23
Tree to Get Ready
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.
Guest Stars
John O'Hurley
Roger Doofenshmirtz (voice)