Phineas and Ferb build a tree house and remodel Candace's old one. Later, they get in a Tree House Fight against Candace and Stacy. Meanwhile, Perry tries to stop Dr. Doofenshmirtz from getting revenge on his brother Roger, who is also the mayor of Danville.
Phineas e Ferb organizzano una giornata di attività estive. / Tutti i piccioni della città spariscono
Lors d’un séjour à la montagne, chez leurs grands-parents, Phinéas et Ferb organisent une série d’activités d’été.
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Phinéas et Ferb construisent, dans un arbre, une cabane peu ordinaire.
